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(-) Description

Title :  CRYSTAL STRUCTURE OF NL63 RESPIRATORY CORONAVIRUS RECEPTOR-BINDING DOMAIN COMPLEXED WITH ITS HUMAN RECEPTOR
 
Authors :  K. Wu, W. Li, G. Peng, F. Li
Date :  20 Oct 09  (Deposition) - 15 Dec 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.31
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H
Biol. Unit 1:  A,C,E,G  (1x)
Biol. Unit 2:  B,D,F,H  (1x)
Keywords :  Beta Sandwich, Envelope Protein, Fusion Protein, Glycoprotein, Host- Virus Interaction, Membrane, Transmembrane, Virion, Virulence, Carboxypeptidase, Cell Membrane, Chloride, Metal-Binding, Metalloprotease, Protease, Secreted, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. Wu, W. Li, G. Peng, F. Li
Crystal Structure Of Nl63 Respiratory Coronavirus Receptor-Binding Domain Complexed With Its Human Receptor.
Proc. Natl. Acad. Sci. Usa V. 106 19970 2009
PubMed-ID: 19901337  |  Reference-DOI: 10.1073/PNAS.0908837106

(-) Compounds

Molecule 1 - ANGIOTENSIN-CONVERTING ENZYME 2
    ChainsA, B, C, D
    EC Number3.4.17.-
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System Cell LineSF9 INSECT CELLS
    Expression System PlasmidPFACTBAC I
    Expression System Taxid7108
    Expression System Vector TypePLASMID
    FragmentRESIDUES 19-615
    GeneACE2, SPIKE PROTEIN, UNQ868/PRO1885
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymACE-RELATED CARBOXYPEPTIDASE, ANGIOTENSIN-CONVERTING ENZYME HOMOLOG, ACEH, METALLOPROTEASE MPROT15, PROCESSED ANGIOTENSIN- CONVERTING ENZYME 2
 
Molecule 2 - SPIKE GLYCOPROTEIN
    ChainsE, F, G, H
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System Cell LineSF9 INSECT CELLS
    Expression System PlasmidPFACTBAC I
    Expression System Taxid7108
    Expression System Vector TypePLASMID
    FragmentRESIDUES 481-616
    Gene2, HUMAN ANGIOTENSIN-CONVERTING ENZYME 2, S
    Organism ScientificHUMAN CORONAVIRUS NL63
    Organism Taxid277944
    SynonymS GLYCOPROTEIN, PEPLOMER PROTEIN, E2

 Structural Features

(-) Chains, Units

  12345678
Asymmetric Unit ABCDEFGH
Biological Unit 1 (1x)A C E G 
Biological Unit 2 (1x) B D F H

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 16)

Asymmetric Unit (1, 16)
No.NameCountTypeFull Name
1NAG16Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (1, 8)
No.NameCountTypeFull Name
1NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 2 (1, 8)
No.NameCountTypeFull Name
1NAG8Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (16, 16)

Asymmetric Unit (16, 16)
No.NameEvidenceResiduesDescription
01AC1SOFTWARELYS A:26 , ASN A:90BINDING SITE FOR RESIDUE NAG A 800
02AC2SOFTWARESER A:420 , ASN A:546BINDING SITE FOR RESIDUE NAG A 801
03AC3SOFTWARELYS D:131 , ASP E:484 , ASN E:486BINDING SITE FOR RESIDUE NAG E 1486
04AC4SOFTWAREASN E:510 , ASN E:512BINDING SITE FOR RESIDUE NAG E 1512
05AC5SOFTWARELYS B:26 , ASN B:90BINDING SITE FOR RESIDUE NAG B 800
06AC6SOFTWARESER B:420 , ASN B:546BINDING SITE FOR RESIDUE NAG B 801
07AC7SOFTWAREASP F:484 , ASN F:486BINDING SITE FOR RESIDUE NAG F 1486
08AC8SOFTWARELYS D:68 , ASN F:510 , ASN F:512BINDING SITE FOR RESIDUE NAG F 1512
09AC9SOFTWARELYS C:26 , ASN C:90BINDING SITE FOR RESIDUE NAG C 800
10BC1SOFTWARESER C:420 , ASN C:546BINDING SITE FOR RESIDUE NAG C 801
11BC2SOFTWAREASP G:484 , ASN G:486BINDING SITE FOR RESIDUE NAG G 1486
12BC3SOFTWARELYS A:68 , ASN G:510 , ASN G:512BINDING SITE FOR RESIDUE NAG G 1512
13BC4SOFTWARELYS D:26 , ASN D:90BINDING SITE FOR RESIDUE NAG D 800
14BC5SOFTWARESER D:420 , ASN D:546BINDING SITE FOR RESIDUE NAG D 801
15BC6SOFTWARELYS A:131 , ASP H:484 , ASN H:486BINDING SITE FOR RESIDUE NAG H 1486
16BC7SOFTWAREASN H:510 , ASN H:512BINDING SITE FOR RESIDUE NAG H 1512

(-) SS Bonds  (24, 24)

Asymmetric Unit
No.Residues
1A:133 -A:141
2A:344 -A:361
3A:530 -A:542
4B:133 -B:141
5B:344 -B:361
6B:530 -B:542
7C:133 -C:141
8C:344 -C:361
9C:530 -C:542
10D:133 -D:141
11D:344 -D:361
12D:530 -D:542
13E:497 -E:500
14E:516 -E:567
15E:550 -E:577
16F:497 -F:500
17F:516 -F:567
18F:550 -F:577
19G:497 -G:500
20G:516 -G:567
21G:550 -G:577
22H:497 -H:500
23H:516 -H:567
24H:550 -H:577

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3KBH)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 8)

Asymmetric Unit (2, 8)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_023082K26RACE2_HUMANPolymorphism4646116A/B/C/DK26R
2UniProtVAR_SPIKE_CVHNL_024 *H503RSPIKE_CVHNL  ---  ---E/F/G/HH503R
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (2, 4)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_023082K26RACE2_HUMANPolymorphism4646116A/CK26R
2UniProtVAR_SPIKE_CVHNL_024 *H503RSPIKE_CVHNL  ---  ---E/GH503R
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (2, 4)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_023082K26RACE2_HUMANPolymorphism4646116B/DK26R
2UniProtVAR_SPIKE_CVHNL_024 *H503RSPIKE_CVHNL  ---  ---F/HH503R
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 4)

Asymmetric Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ZINC_PROTEASEPS00142 Neutral zinc metallopeptidases, zinc-binding region signature.ACE2_HUMAN371-380
 
 
 
  4A:371-380
B:371-380
C:371-380
D:371-380
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ZINC_PROTEASEPS00142 Neutral zinc metallopeptidases, zinc-binding region signature.ACE2_HUMAN371-380
 
 
 
  2A:371-380
-
C:371-380
-
Biological Unit 2 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ZINC_PROTEASEPS00142 Neutral zinc metallopeptidases, zinc-binding region signature.ACE2_HUMAN371-380
 
 
 
  2-
B:371-380
-
D:371-380

(-) Exons   (14, 56)

Asymmetric Unit (14, 56)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.2ENST000002525192ENSE00002198181X:15619137-15618849289ACE2_HUMAN1-62624A:19-62 (gaps)
B:19-62 (gaps)
C:19-62 (gaps)
D:19-62 (gaps)
44
44
44
44
1.3bENST000002525193bENSE00000894057X:15613126-15612968159ACE2_HUMAN63-115534A:63-115
B:63-115
C:63-115
D:63-115
53
53
53
53
1.4ENST000002525194ENSE00000894058X:15610445-1561035294ACE2_HUMAN116-147324A:116-147 (gaps)
B:116-147 (gaps)
C:116-147 (gaps)
D:116-147 (gaps)
32
32
32
32
1.5ENST000002525195ENSE00000894059X:15609979-15609836144ACE2_HUMAN147-195494A:147-195
B:147-195
C:147-195
D:147-195
49
49
49
49
1.6ENST000002525196ENSE00000894060X:15607579-15607467113ACE2_HUMAN195-232384A:195-232
B:195-232
C:195-232
D:195-232
38
38
38
38
1.7ENST000002525197ENSE00000894061X:15605981-15605876106ACE2_HUMAN233-268364A:233-268
B:233-268
C:233-268
D:233-268
36
36
36
36
1.8ENST000002525198ENSE00000894062X:15603695-1560359898ACE2_HUMAN268-300334A:268-300
B:268-300
C:268-300
D:268-300
33
33
33
33
1.9ENST000002525199ENSE00000894063X:15599513-15599344170ACE2_HUMAN301-357574A:301-357 (gaps)
B:301-357 (gaps)
C:301-357 (gaps)
D:301-357 (gaps)
57
57
57
57
1.10ENST0000025251910ENSE00000894064X:15596438-15596212227ACE2_HUMAN357-433774A:357-433
B:357-433
C:357-433
D:357-433
77
77
77
77
1.11ENST0000025251911ENSE00000894065X:15593933-15593789145ACE2_HUMAN433-481494A:433-481
B:433-481
C:433-481
D:433-481
49
49
49
49
1.12ENST0000025251912ENSE00000894066X:15591588-1559149099ACE2_HUMAN481-514344A:481-514
B:481-514
C:481-514
D:481-514
34
34
34
34
1.13ENST0000025251913ENSE00000894067X:15590446-15590324123ACE2_HUMAN514-555424A:514-555
B:514-555
C:514-555
D:514-555
42
42
42
42
1.14ENST0000025251914ENSE00000894068X:15589919-15589747173ACE2_HUMAN555-613594A:555-613
B:555-613
C:555-613
D:555-613
59
59
59
59
1.15ENST0000025251915ENSE00000894069X:15588476-1558841859ACE2_HUMAN613-632204A:613-614
B:613-614
C:613-614
D:613-614
2
2
2
2
1.16ENST0000025251916ENSE00000894070X:15585949-15585849101ACE2_HUMAN633-666340--
1.17bENST0000025251917bENSE00000894071X:15584492-15584376117ACE2_HUMAN666-705400--
1.18ENST0000025251918ENSE00000894072X:15582341-15582147195ACE2_HUMAN705-770660--
1.19cENST0000025251919cENSE00001334055X:15580136-15579156981ACE2_HUMAN770-805360--

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:593
 aligned with ACE2_HUMAN | Q9BYF1 from UniProtKB/Swiss-Prot  Length:805

    Alignment length:596
                                    28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
           ACE2_HUMAN    19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh-.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh.eee.-.....eee..hhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhh...........hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh.........ee.hhh.........................hhhhhhh...hhhhhhhhhhhhhhh........hhhhhh.......-.......eeee.....eeee.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.....hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhh..ee.........hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh....hhhhh....hhhhhhhhhhhhh.....hhhhhhhhhh......hhhhhhhhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) -------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ZINC_PROTE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.2  PDB: A:19-62 (gaps) UniProt: 1-62 Exon 1.3b  PDB: A:63-115 UniProt: 63-115             Exon 1.4  PDB: A:116-147 (gaps) -----------------------------------------------Exon 1.6  PDB: A:195-232              Exon 1.7  PDB: A:233-268            ----------------------------------------------------------------------------------------Exon 1.10  PDB: A:357-433 UniProt: 357-433                                   -----------------------------------------------Exon 1.12  PDB: A:481-514         ----------------------------------------Exon 1.14  PDB: A:555-613 UniProt: 555-613                 - Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------------------------------------------------------------------Exon 1.5  PDB: A:147-195 UniProt: 147-195        ------------------------------------------------------------------------Exon 1.8  PDB: A:268-300         Exon 1.9  PDB: A:301-357 (gaps) UniProt: 301-357         ---------------------------------------------------------------------------Exon 1.11  PDB: A:433-481 UniProt: 433-481       --------------------------------Exon 1.13  PDB: A:514-555 UniProt: 514-555---------------------------------------------------------1. Transcript 1 (2)
                 3kbh A  19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTN-TEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCN-DNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGN-QKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
                                    28        38        48    | | 58        68        78        88        98       108       118       128     | 138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338 |     348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
                                                             53 |                                                                            134 |                                                                                                                                                                                                       338 |                                                                                                                                                                                                                                                                                  
                                                               55                                                                              136                                                                                                                                                                                                         340                                                                                                                                                                                                                                                                                  

Chain B from PDB  Type:PROTEIN  Length:593
 aligned with ACE2_HUMAN | Q9BYF1 from UniProtKB/Swiss-Prot  Length:805

    Alignment length:596
                                    28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
           ACE2_HUMAN    19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh-.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh.eee.-.....eee..hhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........ee.hhh.........................hhhhhhh...hhhhhhhhhhhhhhh........hhhhhh.......-.......eeee.....eeee.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.....hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhh..ee.........hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh....hhhhh....hhhhhhhhhhhhh.....hhhhhhhhhh......hhhhhhhhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) -------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ZINC_PROTE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.2  PDB: B:19-62 (gaps) UniProt: 1-62 Exon 1.3b  PDB: B:63-115 UniProt: 63-115             Exon 1.4  PDB: B:116-147 (gaps) -----------------------------------------------Exon 1.6  PDB: B:195-232              Exon 1.7  PDB: B:233-268            ----------------------------------------------------------------------------------------Exon 1.10  PDB: B:357-433 UniProt: 357-433                                   -----------------------------------------------Exon 1.12  PDB: B:481-514         ----------------------------------------Exon 1.14  PDB: B:555-613 UniProt: 555-613                 - Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------------------------------------------------------------------Exon 1.5  PDB: B:147-195 UniProt: 147-195        ------------------------------------------------------------------------Exon 1.8  PDB: B:268-300         Exon 1.9  PDB: B:301-357 (gaps) UniProt: 301-357         ---------------------------------------------------------------------------Exon 1.11  PDB: B:433-481 UniProt: 433-481       --------------------------------Exon 1.13  PDB: B:514-555 UniProt: 514-555---------------------------------------------------------1. Transcript 1 (2)
                 3kbh B  19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTN-TEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCN-DNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGN-QKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
                                    28        38        48    | | 58        68        78        88        98       108       118       128     | 138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338 |     348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
                                                             53 |                                                                            134 |                                                                                                                                                                                                       338 |                                                                                                                                                                                                                                                                                  
                                                               55                                                                              136                                                                                                                                                                                                         340                                                                                                                                                                                                                                                                                  

Chain C from PDB  Type:PROTEIN  Length:593
 aligned with ACE2_HUMAN | Q9BYF1 from UniProtKB/Swiss-Prot  Length:805

    Alignment length:596
                                    28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
           ACE2_HUMAN    19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh-.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh.eee.-.....eee..hhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........ee.hhh.........................hhhhhhh...hhhhhhhhhhhhhhh........hhhhhh.......-.......eeee.....eeee.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.....hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhh.ee.........hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh....hhhhh....hhhhhhhhhhhhh.....hhhhhhhhhh......hhhhhhhhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) -------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ZINC_PROTE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.2  PDB: C:19-62 (gaps) UniProt: 1-62 Exon 1.3b  PDB: C:63-115 UniProt: 63-115             Exon 1.4  PDB: C:116-147 (gaps) -----------------------------------------------Exon 1.6  PDB: C:195-232              Exon 1.7  PDB: C:233-268            ----------------------------------------------------------------------------------------Exon 1.10  PDB: C:357-433 UniProt: 357-433                                   -----------------------------------------------Exon 1.12  PDB: C:481-514         ----------------------------------------Exon 1.14  PDB: C:555-613 UniProt: 555-613                 - Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------------------------------------------------------------------Exon 1.5  PDB: C:147-195 UniProt: 147-195        ------------------------------------------------------------------------Exon 1.8  PDB: C:268-300         Exon 1.9  PDB: C:301-357 (gaps) UniProt: 301-357         ---------------------------------------------------------------------------Exon 1.11  PDB: C:433-481 UniProt: 433-481       --------------------------------Exon 1.13  PDB: C:514-555 UniProt: 514-555---------------------------------------------------------1. Transcript 1 (2)
                 3kbh C  19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTN-TEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCN-DNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGN-QKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
                                    28        38        48    | | 58        68        78        88        98       108       118       128     | 138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338 |     348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
                                                             53 |                                                                            134 |                                                                                                                                                                                                       338 |                                                                                                                                                                                                                                                                                  
                                                               55                                                                              136                                                                                                                                                                                                         340                                                                                                                                                                                                                                                                                  

Chain D from PDB  Type:PROTEIN  Length:593
 aligned with ACE2_HUMAN | Q9BYF1 from UniProtKB/Swiss-Prot  Length:805

    Alignment length:596
                                    28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
           ACE2_HUMAN    19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTNITEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCNPDNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGNVQKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) Peptidase_M2-3kbhD01 D:19-613                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      - Pfam domains (1)
           Pfam domains (2) Peptidase_M2-3kbhD02 D:19-613                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      - Pfam domains (2)
           Pfam domains (3) Peptidase_M2-3kbhD03 D:19-613                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      - Pfam domains (3)
           Pfam domains (4) Peptidase_M2-3kbhD04 D:19-613                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      - Pfam domains (4)
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh-.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh.eee.-.....eee..hhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........ee.hhh.........................hhhhhhh...hhhhhhhhhhhhhhh.....................-.......eeee.....eeee.....hhhhhhhhhhhhhhhhhhhhhh..hhhhh.....hhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhee.........hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh....hhhhh....hhhhhhhhhhhhh.....hhhhhhhhhh......hhhhhhhhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) -------R------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ZINC_PROTE------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.2  PDB: D:19-62 (gaps) UniProt: 1-62 Exon 1.3b  PDB: D:63-115 UniProt: 63-115             Exon 1.4  PDB: D:116-147 (gaps) -----------------------------------------------Exon 1.6  PDB: D:195-232              Exon 1.7  PDB: D:233-268            ----------------------------------------------------------------------------------------Exon 1.10  PDB: D:357-433 UniProt: 357-433                                   -----------------------------------------------Exon 1.12  PDB: D:481-514         ----------------------------------------Exon 1.14  PDB: D:555-613 UniProt: 555-613                 - Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------------------------------------------------------------------Exon 1.5  PDB: D:147-195 UniProt: 147-195        ------------------------------------------------------------------------Exon 1.8  PDB: D:268-300         Exon 1.9  PDB: D:301-357 (gaps) UniProt: 301-357         ---------------------------------------------------------------------------Exon 1.11  PDB: D:433-481 UniProt: 433-481       --------------------------------Exon 1.13  PDB: D:514-555 UniProt: 514-555---------------------------------------------------------1. Transcript 1 (2)
                 3kbh D  19 STIEEQAKTFLDKFNHEAEDLFYQSSLASWNYNTN-TEENVQNMNNAGDKWSAFLKEQSTLAQMYPLQEIQNLTVKLQLQALQQNGSSVLSEDKSKRLNTILNTMSTIYSTGKVCN-DNPQECLLLEPGLNEIMANSLDYNERLWAWESWRSEVGKQLRPLYEEYVVLKNEMARANHYEDYGDYWRGDYEVNGVDGYDYSRGQLIEDVEHTFEEIKPLYEHLHAYVRAKLMNAYPSYISPIGCLPAHLLGDMWGRFWTNLYSLTVPFGQKPNIDVTDAMVDQAWDAQRIFKEAEKFFVSVGLPNMTQGFWENSMLTDPGN-QKAVCHPTAWDLGKGDFRILMCTKVTMDDFLTAHHEMGHIQYDMAYAAQPFLLRNGANEGFHEAVGEIMSLSAATPKHLKSIGLLSPDFQEDNETEINFLLKQALTIVGTLPFTYMLEKWRWMVFKGEIPKDQWMKKWWEMKREIVGVVEPVPHDETYCDPASLFHVSNDYSFIRYYTRTLYQFQFQEALCQAAKHEGPLHKCDISNSTEAGQKLFNMLRLGKSEPWTLALENVVGAKNMNVRPLLNYFEPLFTWLKDQNKNSFVGWSTDWSPYA 614
                                    28        38        48    | | 58        68        78        88        98       108       118       128     | 138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       298       308       318       328       338 |     348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558       568       578       588       598       608      
                                                             53 |                                                                            134 |                                                                                                                                                                                                       338 |                                                                                                                                                                                                                                                                                  
                                                               55                                                                              136                                                                                                                                                                                                         340                                                                                                                                                                                                                                                                                  

Chain E from PDB  Type:PROTEIN  Length:110
 aligned with SPIKE_CVHNL | Q6Q1S2 from UniProtKB/Swiss-Prot  Length:1356

    Alignment length:121
                                   491       501       511       521       531       541       551       561       571       581       591       601 
          SPIKE_CVHNL   482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSFSKLNNFQKFKTICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeee.............eeeee....eee.....eeeeeeeee..........eeeee.........-----------.eee.........eeeeeee...eeeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ---------------------R--------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kbh E 482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSF-----------ICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
                                   491       501       511       521       531       541       551  |      -    |  571       581       591       601 
                                                                                                  554         566                                    

Chain F from PDB  Type:PROTEIN  Length:110
 aligned with SPIKE_CVHNL | Q6Q1S2 from UniProtKB/Swiss-Prot  Length:1356

    Alignment length:121
                                   491       501       511       521       531       541       551       561       571       581       591       601 
          SPIKE_CVHNL   482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSFSKLNNFQKFKTICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeee.............eeeee....eee.....eeeeeeeee..........eeeee.........-----------.eee.........eeeeeee...eeeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ---------------------R--------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kbh F 482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSF-----------ICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
                                   491       501       511       521       531       541       551  |      -    |  571       581       591       601 
                                                                                                  554         566                                    

Chain G from PDB  Type:PROTEIN  Length:110
 aligned with SPIKE_CVHNL | Q6Q1S2 from UniProtKB/Swiss-Prot  Length:1356

    Alignment length:121
                                   491       501       511       521       531       541       551       561       571       581       591       601 
          SPIKE_CVHNL   482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSFSKLNNFQKFKTICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeeeee........eeeeeeee....eee.....eeeeeeeee..........eeeee.........-----------.eee.........eeeeeee...eeeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ---------------------R--------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kbh G 482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSF-----------ICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
                                   491       501       511       521       531       541       551  |      -    |  571       581       591       601 
                                                                                                  554         566                                    

Chain H from PDB  Type:PROTEIN  Length:110
 aligned with SPIKE_CVHNL | Q6Q1S2 from UniProtKB/Swiss-Prot  Length:1356

    Alignment length:121
                                   491       501       511       521       531       541       551       561       571       581       591       601 
          SPIKE_CVHNL   482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSFSKLNNFQKFKTICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) Corona_S1-3kbhH01 H:482-602                                                                                               Pfam domains (1)
           Pfam domains (2) Corona_S1-3kbhH02 H:482-602                                                                                               Pfam domains (2)
           Pfam domains (3) Corona_S1-3kbhH03 H:482-602                                                                                               Pfam domains (3)
           Pfam domains (4) Corona_S1-3kbhH04 H:482-602                                                                                               Pfam domains (4)
         Sec.struct. author .eeeeeeeeeee........eeeeeeee....eee.....eeeeeeeee..........eeeee.........-----------.eee.........eeeeeee...eeeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ---------------------R--------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 3kbh H 482 HTDINFTATASFGGSCYVCKPHQVNISLNGNTSVCVRTSHFSIRYIYNRVKSGSPGDSSWHIYLKSGTCPFSF-----------ICFSTVEVPGSCNFPLEATWHYTSYTIVGALYVTWSE 602
                                   491       501       511       521       531       541       551  |      -    |  571       581       591       601 
                                                                                                  554         566                                    

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3KBH)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3KBH)

(-) Pfam Domains  (2, 8)

Asymmetric Unit

(-) Gene Ontology  (48, 53)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (ACE2_HUMAN | Q9BYF1)
molecular function
    GO:0004180    carboxypeptidase activity    Catalysis of the hydrolysis of the terminal or penultimate peptide bond at the C-terminal end of a peptide or polypeptide.
    GO:0004175    endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0004181    metallocarboxypeptidase activity    Catalysis of the hydrolysis of C-terminal amino acid residues from a polypeptide chain by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions.
    GO:0008237    metallopeptidase activity    Catalysis of the hydrolysis of peptide bonds by a mechanism in which water acts as a nucleophile, one or two metal ions hold the water molecule in place, and charged amino acid side chains are ligands for the metal ions.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0008241    peptidyl-dipeptidase activity    Catalysis of the release of C-terminal dipeptides from a polypeptide chain.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0001618    virus receptor activity    Combining with a virus component and mediating entry of the virus into the cell.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0002005    angiotensin catabolic process in blood    The chemical reactions and pathways resulting in the breakdown of angiotensin in the blood.
    GO:0002003    angiotensin maturation    The process leading to the attainment of the full functional capacity of angiotensin by conversion of renin substrate into mature angiotensin in the blood.
    GO:0003051    angiotensin-mediated drinking behavior    The drinking behavior that is mediated by the action of angiotensin in the brain. Angiotensin stimulates the brain centers that control thirst.
    GO:0060452    positive regulation of cardiac muscle contraction    Any process that increases the frequency, rate or extent of cardiac muscle contraction.
    GO:1903598    positive regulation of gap junction assembly    Any process that activates or increases the frequency, rate or extent of gap junction assembly.
    GO:2000379    positive regulation of reactive oxygen species metabolic process    Any process that activates or increases the frequency, rate or extent of reactive oxygen species metabolic process.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0032800    receptor biosynthetic process    The chemical reactions and pathways resulting in the formation of a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
    GO:0046813    receptor-mediated virion attachment to host cell    The process by which a virion attaches to a host cell by binding to a receptor on the host cell surface.
    GO:1903779    regulation of cardiac conduction    Any process that modulates the frequency, rate or extent of cardiac conduction.
    GO:0042127    regulation of cell proliferation    Any process that modulates the frequency, rate or extent of cell proliferation.
    GO:0001817    regulation of cytokine production    Any process that modulates the frequency, rate, or extent of production of a cytokine.
    GO:0050727    regulation of inflammatory response    Any process that modulates the frequency, rate or extent of the inflammatory response, the immediate defensive reaction (by vertebrate tissue) to infection or injury caused by chemical or physical agents.
    GO:0003081    regulation of systemic arterial blood pressure by renin-angiotensin    The process in which renin-angiotensin modulates the force with which blood passes through the circulatory system.
    GO:0019229    regulation of vasoconstriction    Any process that modulates the frequency, rate or extent of reductions in the diameter of blood vessels.
    GO:0015827    tryptophan transport    The directed movement of tryptophan, 2-amino-3-(1H-indol-3-yl)propanoic acid, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0045121    membrane raft    Any of the small (10-200 nm), heterogeneous, highly dynamic, sterol- and sphingolipid-enriched membrane domains that compartmentalize cellular processes. Small rafts can sometimes be stabilized to form larger platforms through protein-protein and protein-lipid interactions.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain E,F,G,H   (SPIKE_CVHNL | Q6Q1S2)
molecular function
    GO:0046789    host cell surface receptor binding    Interacting selectively and non-covalently with a receptor on the host cell surface.
biological process
    GO:0019064    fusion of virus membrane with host plasma membrane    Fusion of a viral membrane with the host cell membrane during viral entry. Results in release of the virion contents into the cytoplasm.
    GO:0061025    membrane fusion    The membrane organization process that joins two lipid bilayers to form a single membrane.
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0046813    receptor-mediated virion attachment to host cell    The process by which a virion attaches to a host cell by binding to a receptor on the host cell surface.
    GO:0046718    viral entry into host cell    The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
    GO:0019062    virion attachment to host cell    The process by which a virion protein binds to molecules on the host cellular surface or host cell surface projection.
cellular component
    GO:0044173    host cell endoplasmic reticulum-Golgi intermediate compartment membrane    The lipid bilayer surrounding any of the compartments of the host cell ER-Golgi intermediate compartment system.
    GO:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0019031    viral envelope    The lipid bilayer of a virion that surrounds the protein capsid. May also contain glycoproteins.
    GO:0019012    virion    The complete fully infectious extracellular virus particle.
    GO:0055036    virion membrane    The lipid bilayer surrounding a virion.

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        ACE2_HUMAN | Q9BYF11r42 1r4l 1xjp 2ajf 3d0g 3d0h 3d0i 3sci 3scj 3sck 3scl
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(-) Related Entries Specified in the PDB File

2ajf STRUCTURE OF SARS CORONAVIRUS SPIKE RECEPTOR-BINDING DOMAIN COMPLEXED WITH ITS RECEPTOR