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(-) Description

Title :  CRYSTAL STRUCTURE OF PSEUDOMONAS AERUGINOSA LECTIN LECA COMPLEXED WITH GALA-QRS AT 2.31 A RESOLUTION
 
Authors :  R. U. Kadam, A. Stocker, J. -L. Reymond
Date :  07 Jul 13  (Deposition) - 18 Dec 13  (Release) - 18 Dec 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.31
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P
Biol. Unit 1:  A,C,D,E,I,K,L,M  (1x)
Biol. Unit 2:  B,F,G,H,J,N,O,P  (1x)
Keywords :  Lectin Fold, Sugar Binding Protein, Galactose, Sugar Binding Protein- Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. U. Kadam, M. Bergmann, D. Garg, G. Gabrieli, A. Stocker, T. Darbre, J. -L. Reymond
Structure-Based Optimization Of The Terminal Tripeptide In Glycopeptide Dendrimer Inhibitors Of Pseudomonas Aeruginosa Biofilms Targeting Leca.
Chemistry V. 19 17054 2013
PubMed-ID: 24307364  |  Reference-DOI: 10.1002/CHEM.201302587

(-) Compounds

Molecule 1 - PA-I GALACTOPHILIC LECTIN
    Chains: A, B, C, D, E, F, G, H
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET25PAIL
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: LECA, PA1L, PA2570
    Organism Scientific: PSEUDOMONAS AERUGINOSA
    Organism Taxid: 208964
    Strain: ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228
 
Molecule 2 - PEPTIDE QRSA
    Chains: I, J, K, L, M, N, O, P
    Engineered: YES
    Other Details: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED.
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12345678910111213141516
Asymmetric Unit : ABCDEFGHIJKLMNOP
Biological Unit 1 (1x): A CDE   I KLM   
Biological Unit 2 (1x):  B   FGH J   NOP

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 24)

Asymmetric Unit (3, 24)
No.NameCountTypeFull Name
1CA8Ligand/IonCALCIUM ION
2GAL8Ligand/IonBETA-D-GALACTOSE
3PHB8Ligand/IonP-HYDROXYBENZOIC ACID
Biological Unit 1 (2, 8)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2GAL4Ligand/IonBETA-D-GALACTOSE
3PHB4Ligand/IonP-HYDROXYBENZOIC ACID
Biological Unit 2 (2, 8)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2GAL4Ligand/IonBETA-D-GALACTOSE
3PHB4Ligand/IonP-HYDROXYBENZOIC ACID

(-) Sites  (32, 32)

Asymmetric Unit (32, 32)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETYR A:36 , HIS A:50 , GLN A:53 , ASP A:100 , VAL A:101 , THR A:104 , ASN A:107 , CA A:202 , HOH A:306 , HOH A:309 , HOH A:317 , PHB I:301BINDING SITE FOR RESIDUE GAL A 201
02AC2SOFTWARETYR A:36 , ASP A:100 , THR A:104 , ASN A:107 , ASN A:108 , GAL A:201BINDING SITE FOR RESIDUE CA A 202
03AC3SOFTWARETYR B:36 , HIS B:50 , GLN B:53 , ASP B:100 , THR B:104 , CA B:202 , HOH B:305 , HOH B:313 , HOH B:444 , GLY F:54 , PHB J:301BINDING SITE FOR RESIDUE GAL B 201
04AC4SOFTWARETYR B:36 , ASP B:100 , THR B:104 , ASN B:107 , ASN B:108 , GAL B:201BINDING SITE FOR RESIDUE CA B 202
05AC5SOFTWARETYR C:36 , HIS C:50 , GLN C:53 , ASP C:100 , VAL C:101 , THR C:104 , ASN C:107 , CA C:202 , HOH C:302 , HOH C:333 , PHB K:301 , GLN P:202BINDING SITE FOR RESIDUE GAL C 201
06AC6SOFTWARETYR C:36 , ASP C:100 , THR C:104 , ASN C:107 , ASN C:108 , GAL C:201BINDING SITE FOR RESIDUE CA C 202
07AC7SOFTWARETYR D:36 , HIS D:50 , GLN D:53 , ASP D:100 , THR D:104 , ASN D:107 , CA D:202 , HOH D:307 , HOH D:310 , HOH D:311 , GLY G:54 , PHB L:301BINDING SITE FOR RESIDUE GAL D 201
08AC8SOFTWARETYR D:36 , ASP D:100 , THR D:104 , ASN D:107 , ASN D:108 , GAL D:201BINDING SITE FOR RESIDUE CA D 202
09AC9SOFTWAREGLY A:54 , HIS A:58 , HOH A:312 , TYR E:36 , HIS E:50 , GLN E:53 , ASP E:100 , THR E:104 , ASN E:107 , CA E:202 , HOH E:308 , HOH E:311 , PHB M:301BINDING SITE FOR RESIDUE GAL E 201
10BC1SOFTWARETYR E:36 , ASP E:100 , THR E:104 , ASN E:107 , ASN E:108 , GAL E:201BINDING SITE FOR RESIDUE CA E 202
11BC2SOFTWARETYR F:36 , HIS F:50 , GLN F:53 , ASP F:100 , THR F:104 , ASN F:107 , CA F:202 , HOH F:308 , HOH F:317 , HOH F:332 , HOH F:360 , PHB N:301BINDING SITE FOR RESIDUE GAL F 201
12BC3SOFTWARETYR F:36 , ASP F:100 , THR F:104 , ASN F:107 , ASN F:108 , GAL F:201BINDING SITE FOR RESIDUE CA F 202
13BC4SOFTWARETYR G:36 , HIS G:50 , GLN G:53 , ASP G:100 , THR G:104 , ASN G:107 , CA G:202 , HOH G:302 , HOH G:322 , HOH G:334 , HOH L:401 , PHB O:301BINDING SITE FOR RESIDUE GAL G 201
14BC5SOFTWARETYR G:36 , ASP G:100 , THR G:104 , ASN G:107 , ASN G:108 , GAL G:201BINDING SITE FOR RESIDUE CA G 202
15BC6SOFTWAREGLY C:54 , HOH C:308 , TYR H:36 , HIS H:50 , GLN H:53 , ASP H:100 , THR H:104 , ASN H:107 , CA H:202 , HOH H:304 , HOH H:318 , PHB P:301BINDING SITE FOR RESIDUE GAL H 201
16BC7SOFTWARETYR H:36 , ASP H:100 , THR H:104 , ASN H:107 , ASN H:108 , GAL H:201BINDING SITE FOR RESIDUE CA H 202
17BC8SOFTWAREHIS A:50 , GAL A:201 , GLN I:202 , ARG I:203 , SER I:204BINDING SITE FOR RESIDUE PHB I 301
18BC9SOFTWAREHIS B:50 , GAL B:201 , GLN F:53 , GLN J:202 , ARG J:203 , GLN N:202BINDING SITE FOR RESIDUE PHB J 301
19CC1SOFTWAREHIS C:50 , GAL C:201 , GLN K:202 , ARG K:203 , HOH K:402 , HOH K:403 , HOH K:405BINDING SITE FOR RESIDUE PHB K 301
20CC2SOFTWAREHIS D:50 , GAL D:201 , HOH D:368 , GLN G:53 , GLN L:202 , ARG L:203BINDING SITE FOR RESIDUE PHB L 301
21CC3SOFTWAREASP A:52 , GLN A:53 , HOH A:384 , HIS E:50 , GAL E:201 , SER I:204 , GLN M:202BINDING SITE FOR RESIDUE PHB M 301
22CC4SOFTWAREHIS F:50 , GAL F:201 , GLN N:202 , ARG N:203 , HOH N:402BINDING SITE FOR RESIDUE PHB N 301
23CC5SOFTWAREHIS G:50 , GAL G:201 , ALA L:205 , GLN O:202BINDING SITE FOR RESIDUE PHB O 301
24CC6SOFTWAREGLN C:53 , HIS H:50 , GAL H:201 , GLN P:202BINDING SITE FOR RESIDUE PHB P 301
25CC7SOFTWAREGLN A:53 , PHB I:301 , HOH I:401 , HOH I:402 , GLN M:202 , ARG M:203 , SER M:204 , PHB M:301BINDING SITE FOR CHAIN I OF PEPTIDE QRSA
26CC8SOFTWAREGLU B:49 , PRO B:51 , HOH B:320 , GLN F:53 , HOH F:381 , PHB J:301 , HOH J:403 , HOH J:405 , GLN N:202BINDING SITE FOR CHAIN J OF PEPTIDE QRSA
27CC9SOFTWAREGLN C:53 , PHB K:301 , HOH K:403 , HOH K:406 , HOH K:407 , GLN P:202BINDING SITE FOR CHAIN K OF PEPTIDE QRSA
28DC1SOFTWAREGLN D:53 , GLN G:53 , VAL G:101 , THR G:104 , HOH G:412 , PHB L:301 , HOH L:404 , GLN O:202 , ARG O:203 , PHB O:301BINDING SITE FOR CHAIN L OF PEPTIDE QRSA
29DC2SOFTWAREGLU E:49 , ALA F:12 , ARG I:203 , SER I:204 , ALA I:205 , PHB M:301 , HOH M:401BINDING SITE FOR CHAIN M OF PEPTIDE QRSA
30DC3SOFTWAREPRO F:51 , GLN F:53 , GLN J:202 , ARG J:203 , PHB J:301 , PHB N:301 , HOH N:402 , HOH N:403BINDING SITE FOR CHAIN N OF PEPTIDE QRSA
31DC4SOFTWAREGLU D:49 , PRO G:51 , SER L:204 , ALA L:205 , PHB O:301 , HOH O:401 , HOH O:402BINDING SITE FOR CHAIN O OF PEPTIDE QRSA
32DC5SOFTWAREGLN C:53 , GAL C:201 , GLU H:49 , PRO H:51 , HOH H:396 , GLN K:202 , HOH K:407 , PHB P:301BINDING SITE FOR CHAIN P OF PEPTIDE QRSA

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4LKD)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4LKD)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4LKD)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4LKD)

(-) Exons   (0, 0)

(no "Exon" information available for 4LKD)

(-) 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:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee....eeeeeeeeeee.........eee..............eeeeeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd A   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain B from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.........eee..............eeeeeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd B   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain C from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.............................eeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd C   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain D from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee....eeeeeeeeeee.........eee..............eeeeeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd D   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain E from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee....eeeeeeeeeee.........eee..............eeeeeeee.....ee...eeeeee......eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd E   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain F from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee....eeeeeee..ee.........eee..............eeeeeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd F   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain G from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee.....eeeeeeeeee.........eee..............eeeeeeee.....ee...............eeeeeee.....hhhhheeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd G   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain H from PDB  Type:PROTEIN  Length:121
                                                                                                                                                         
               SCOP domains ------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee......eeeeeee....eeeeeeeeeee.........eee..............eeeeeeee.....ee...eeeee.......eeeeeee.....hhhhheeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 4lkd H   1 AWKGEVLANNEAGQVTSIIYNPGDVITIVAAGWASYGPTQKWGPQGDREHPDQGLICHDAFCGALVMKIGNSGTIPVNTGLFRWVAPNNVQGAITLIYNDVPGTYGNNSGSFSVNIGKDQS 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 


Chain I from PDB  Type:PROTEIN  Length:4
                                    
               SCOP domains ---- SCOP domains
               CATH domains ---- CATH domains
               Pfam domains ---- Pfam domains
         Sec.struct. author .... Sec.struct. author
                 SAPs(SNPs) ---- SAPs(SNPs)
                    PROSITE ---- PROSITE
                 Transcript ---- Transcript
                 4lkd I 202 QRSA 205


Chain J from PDB  Type:PROTEIN  Length:2
                                  
               SCOP domains -- SCOP domains
               CATH domains -- CATH domains
               Pfam domains -- Pfam domains
         Sec.struct. author .. Sec.struct. author
                 SAPs(SNPs) -- SAPs(SNPs)
                    PROSITE -- PROSITE
                 Transcript -- Transcript
                 4lkd J 202 QR 203


Chain K from PDB  Type:PROTEIN  Length:2
                                  
               SCOP domains -- SCOP domains
               CATH domains -- CATH domains
               Pfam domains -- Pfam domains
         Sec.struct. author .. Sec.struct. author
                 SAPs(SNPs) -- SAPs(SNPs)
                    PROSITE -- PROSITE
                 Transcript -- Transcript
                 4lkd K 202 QR 203


Chain L from PDB  Type:PROTEIN  Length:4
                                    
               SCOP domains ---- SCOP domains
               CATH domains ---- CATH domains
               Pfam domains ---- Pfam domains
         Sec.struct. author .... Sec.struct. author
                 SAPs(SNPs) ---- SAPs(SNPs)
                    PROSITE ---- PROSITE
                 Transcript ---- Transcript
                 4lkd L 202 QRSA 205


Chain M from PDB  Type:PROTEIN  Length:3
                                   
               SCOP domains --- SCOP domains
               CATH domains --- CATH domains
               Pfam domains --- Pfam domains
         Sec.struct. author ... Sec.struct. author
                 SAPs(SNPs) --- SAPs(SNPs)
                    PROSITE --- PROSITE
                 Transcript --- Transcript
                 4lkd M 202 QRS 204


Chain N from PDB  Type:PROTEIN  Length:2
                                  
               SCOP domains -- SCOP domains
               CATH domains -- CATH domains
               Pfam domains -- Pfam domains
         Sec.struct. author .. Sec.struct. author
                 SAPs(SNPs) -- SAPs(SNPs)
                    PROSITE -- PROSITE
                 Transcript -- Transcript
                 4lkd N 202 QR 203


Chain O from PDB  Type:PROTEIN  Length:2
                                  
               SCOP domains -- SCOP domains
               CATH domains -- CATH domains
               Pfam domains -- Pfam domains
         Sec.struct. author .. Sec.struct. author
                 SAPs(SNPs) -- SAPs(SNPs)
                    PROSITE -- PROSITE
                 Transcript -- Transcript
                 4lkd O 202 QR 203


Chain P from PDB  Type:PROTEIN  Length:4
                                    
               SCOP domains ---- SCOP domains
               CATH domains ---- CATH domains
               Pfam domains ---- Pfam domains
         Sec.struct. author .... Sec.struct. author
                 SAPs(SNPs) ---- SAPs(SNPs)
                    PROSITE ---- PROSITE
                 Transcript ---- Transcript
                 4lkd P 202 QRSA 205
   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 4LKD)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4LKD)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4LKD)

(-) Gene Ontology  (5, 5)

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  4lkd
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  PA1L_PSEAE | Q05097
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  PA1L_PSEAE | Q05097
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PA1L_PSEAE | Q05097: 1l7l 1oko 1uoj 2vxj 2wyf 3zyb 3zyf 3zyh 4a6s 4al9 4cp9 4cpb 4ljh 4lk6 4lk7 4lke 4lkf 4yw6 4yw7 4ywa 5d21

(-) Related Entries Specified in the PDB File

4lke 4lkf