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(-) Description

Title :  DECAY ACCELERATING FACTOR (CD55): THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
 
Authors :  P. Lukacik, P. Roversi, J. White, D. Esser, G. P. Smith, J. Billington, P. A. Williams, P. M. Rudd, M. R. Wormald, M. D. M. Crispin, C. M. Radclif R. A. Dwek, D. J. Evans, B. P. Morgan, R. A. G. Smith, S. M. Lea
Date :  16 Jul 03  (Deposition) - 07 Jan 04  (Release) - 21 Sep 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,C  (1x)
Biol. Unit 2:  B,D  (1x)
Keywords :  Regulator Of Complement Pathway, Regulator Of Complement, Decay Acceleration Of C3/C5 Convertases, Pathogen Receptor, Short Consensus Repeat Domains, Plasma, Glycoprotein, Membrane, Gpi-Anchor (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  P. Lukacik, P. Roversi, J. White, D. Esser, G. P. Smith, J. Billington, P. A. Williams, P. M. Rudd, M. R. Wormald, D. J. Harvey, M. D. M. Crispin, C. M. Radcliffe, R. A. Dwek, D. J. Evans, B. P. Morgan, R. A. G. Smith, S. M. Lea
Complement Regulation At The Molecular Level: The Structure Of Decay-Accelerating Factor
Proc. Natl. Acad. Sci. Usa V. 101 1279 2004
PubMed-ID: 14734808  |  Reference-DOI: 10.1073/PNAS.0307200101
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - COMPLEMENT DECAY-ACCELERATING FACTOR
    ChainsA, B, C, D
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentFOUR EXTRACELLULAR SCR DOMAINS, RESIDUES 35-285
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Other DetailsMODELLED GLYCEROLS, ACETATES AND SULPHATES FROM CRYSTALLISATION BUFFER
    Other Details - SourceHUMAN SEQUENCE EXPRESSED IN E.COLI.
    SynonymDAF, CR, CD55

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)A C 
Biological Unit 2 (1x) B D

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 13)

Asymmetric Unit (3, 13)
No.NameCountTypeFull Name
1ACT4Ligand/IonACETATE ION
2GOL6Ligand/IonGLYCEROL
3SO43Ligand/IonSULFATE ION
Biological Unit 1 (3, 6)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2GOL2Ligand/IonGLYCEROL
3SO42Ligand/IonSULFATE ION
Biological Unit 2 (3, 7)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2GOL4Ligand/IonGLYCEROL
3SO41Ligand/IonSULFATE ION

(-) Sites  (13, 13)

Asymmetric Unit (13, 13)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREPRO A:134 , ILE A:154 , PHE A:156 , SER A:170 , TRP A:181 , ASP A:183 , PRO A:184 , LEU A:185BINDING SITE FOR RESIDUE ACT A1254
02AC2SOFTWAREPRO B:134 , ILE B:154 , PHE B:156 , SER B:170 , TRP B:181 , ASP B:183 , PRO B:184 , LEU B:185BINDING SITE FOR RESIDUE ACT B1255
03AC3SOFTWARETYR A:213 , ARG A:214 , TYR C:213 , ARG C:214 , TYR C:234 , THR C:236 , VAL C:237 , ASN C:238BINDING SITE FOR RESIDUE SO4 C1254
04AC4SOFTWAREPRO C:134 , ILE C:154 , PHE C:156 , SER C:170 , TRP C:181 , ASP C:183 , PRO C:184 , LEU C:185BINDING SITE FOR RESIDUE ACT C1256
05AC5SOFTWAREARG A:138 , GLN C:215 , SER C:216BINDING SITE FOR RESIDUE SO4 C1257
06AC6SOFTWARETYR B:213 , ARG B:214 , TYR D:213 , ARG D:214 , THR D:236 , VAL D:237 , ASN D:238BINDING SITE FOR RESIDUE SO4 D1255
07AC7SOFTWAREPRO D:134 , ILE D:154 , PHE D:156 , SER D:170 , TRP D:181 , ASP D:183 , PRO D:184 , LEU D:185BINDING SITE FOR RESIDUE ACT D1256
08AC8SOFTWAREARG B:214 , GLN B:215 , SER B:216 , GLN D:141 , ASN D:159 , THR D:160 , HOH D:2024BINDING SITE FOR RESIDUE GOL B1256
09AC9SOFTWAREARG A:214 , GLN A:215 , SER A:216 , GLN C:141 , ASN C:159 , THR C:160BINDING SITE FOR RESIDUE GOL C1255
10BC1SOFTWAREPHE C:156 , SER C:157 , CYS C:158 , LEU C:164 , ASP C:240BINDING SITE FOR RESIDUE GOL C1258
11BC2SOFTWAREPHE D:156 , SER D:157 , CYS D:158 , LYS D:163 , LEU D:164 , ASP D:240BINDING SITE FOR RESIDUE GOL D1257
12BC3SOFTWAREPRO D:7 , ASP D:9 , VAL D:10 , ALA D:13 , GLN D:14 , PRO D:15BINDING SITE FOR RESIDUE GOL D1258
13BC4SOFTWAREARG A:252 , ARG B:138 , GLN D:215 , SER D:216BINDING SITE FOR RESIDUE GOL D1259

(-) SS Bonds  (32, 32)

Asymmetric Unit
No.Residues
1A:4 -A:49
2A:33 -A:62
3A:66 -A:113
4A:97 -A:126
5A:131 -A:172
6A:158 -A:188
7A:193 -A:235
8A:221 -A:251
9B:4 -B:49
10B:33 -B:62
11B:66 -B:113
12B:97 -B:126
13B:131 -B:172
14B:158 -B:188
15B:193 -B:235
16B:221 -B:251
17C:4 -C:49
18C:33 -C:62
19C:66 -C:113
20C:97 -C:126
21C:131 -C:172
22C:158 -C:188
23C:193 -C:235
24C:221 -C:251
25D:4 -D:49
26D:33 -D:62
27D:66 -D:113
28D:97 -D:126
29D:131 -D:172
30D:158 -D:188
31D:193 -D:235
32D:221 -D:251

(-) Cis Peptide Bonds  (19, 19)

Asymmetric Unit
No.Residues
1Glu A:18 -Gly A:19
2Gln A:79 -Pro A:80
3Pro A:99 -Gly A:100
4Asn A:238 -Asn A:239
5Glu B:18 -Gly B:19
6Gln B:79 -Pro B:80
7Pro B:99 -Gly B:100
8Asn B:238 -Asn B:239
9Met C:1 -Gln C:2
10Leu C:17 -Glu C:18
11Glu C:18 -Gly C:19
12Gln C:79 -Pro C:80
13Pro C:99 -Gly C:100
14Asn C:238 -Asn C:239
15Leu D:17 -Glu D:18
16Glu D:18 -Gly D:19
17Gln D:79 -Pro D:80
18Pro D:99 -Gly D:100
19Asn D:238 -Asn D:239

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (6, 24)

Asymmetric Unit (6, 24)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_001997R52LDAF_HUMANPolymorphism28371588A/B/C/DR20L
2UniProtVAR_001998R52PDAF_HUMANPolymorphism28371588A/B/C/DR20P
3UniProtVAR_001999L82RDAF_HUMANPolymorphism147474393A/B/C/DL50R
4UniProtVAR_002000S199LDAF_HUMANPolymorphism56283594A/B/C/DS167L
5UniProtVAR_002001A227PDAF_HUMANPolymorphism60822373A/B/C/DA195P
6UniProtVAR_015884R240HDAF_HUMANPolymorphism199705465A/B/C/DR208H

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (6, 12)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_001997R52LDAF_HUMANPolymorphism28371588A/CR20L
2UniProtVAR_001998R52PDAF_HUMANPolymorphism28371588A/CR20P
3UniProtVAR_001999L82RDAF_HUMANPolymorphism147474393A/CL50R
4UniProtVAR_002000S199LDAF_HUMANPolymorphism56283594A/CS167L
5UniProtVAR_002001A227PDAF_HUMANPolymorphism60822373A/CA195P
6UniProtVAR_015884R240HDAF_HUMANPolymorphism199705465A/CR208H

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (6, 12)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_001997R52LDAF_HUMANPolymorphism28371588B/DR20L
2UniProtVAR_001998R52PDAF_HUMANPolymorphism28371588B/DR20P
3UniProtVAR_001999L82RDAF_HUMANPolymorphism147474393B/DL50R
4UniProtVAR_002000S199LDAF_HUMANPolymorphism56283594B/DS167L
5UniProtVAR_002001A227PDAF_HUMANPolymorphism60822373B/DA195P
6UniProtVAR_015884R240HDAF_HUMANPolymorphism199705465B/DR208H

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

(-) PROSITE Motifs  (1, 16)

Asymmetric Unit (1, 16)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SUSHIPS50923 Sushi/CCP/SCR domain profile.DAF_HUMAN96-160
 
 
 
34-94
 
 
 
161-222
 
 
 
223-285
 
 
 
  16A:64-128
B:64-128
C:64-128
D:64-128
A:3-62
B:3-62
C:3-62
D:3-62
A:129-190
B:129-190
C:129-190
D:129-190
A:191-253
B:191-253
C:191-253
D:191-253
Biological Unit 1 (1, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SUSHIPS50923 Sushi/CCP/SCR domain profile.DAF_HUMAN96-160
 
 
 
34-94
 
 
 
161-222
 
 
 
223-285
 
 
 
  8A:64-128
-
C:64-128
-
A:3-62
-
C:3-62
-
A:129-190
-
C:129-190
-
A:191-253
-
C:191-253
-
Biological Unit 2 (1, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SUSHIPS50923 Sushi/CCP/SCR domain profile.DAF_HUMAN96-160
 
 
 
34-94
 
 
 
161-222
 
 
 
223-285
 
 
 
  8-
B:64-128
-
D:64-128
-
B:3-62
-
D:3-62
-
B:129-190
-
D:129-190
-
B:191-253
-
D:191-253

(-) Exons   (7, 28)

Asymmetric Unit (7, 28)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000003670641aENSE00001840627chr1:207494853-207495210358DAF_HUMAN1-34344A:2-2
B:2-2
C:1-2
D:2-2
1
1
2
1
1.3ENST000003670643ENSE00001443405chr1:207495727-207495912186DAF_HUMAN34-96634A:2-64
B:2-64
C:2-64
D:2-64
63
63
63
63
1.4bENST000003670644bENSE00001443404chr1:207497904-207498095192DAF_HUMAN96-160654A:64-128
B:64-128
C:64-128
D:64-128
65
65
65
65
1.5ENST000003670645ENSE00001069638chr1:207498967-207499066100DAF_HUMAN160-193344A:128-161
B:128-161
C:128-161
D:128-161
34
34
34
34
1.6ENST000003670646ENSE00001069637chr1:207500097-20750018286DAF_HUMAN193-222304A:161-190
B:161-190
C:161-190
D:161-190
30
30
30
30
1.7ENST000003670647ENSE00000960173chr1:207504453-207504641189DAF_HUMAN222-285644A:190-253
B:190-253
C:190-253
D:190-253
64
64
64
64
1.8bENST000003670648bENSE00001041396chr1:207510038-207510163126DAF_HUMAN285-327434A:253-253
B:253-254
C:253-253
D:253-254
1
2
1
2
1.8dENST000003670648dENSE00001253047chr1:207510674-20751075481DAF_HUMAN327-354280--
1.9ENST000003670649ENSE00001432766chr1:207512742-20751276221DAF_HUMAN354-36180--
1.15fENST0000036706415fENSE00001631743chr1:207532891-2075343111421DAF_HUMAN361-381210--

(-) 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:252
 aligned with DAF_HUMAN | P08174 from UniProtKB/Swiss-Prot  Length:381

    Alignment length:252
                                    43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283  
            DAF_HUMAN    34 GDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRG 285
               SCOP domains d1ojya1 A:2-64 Complement decay-accelerating factor (Daf, CD55)d1ojya2 A:65-128                                                d1ojya3 A:129-190                                             d1ojya4 A:191-253                                               SCOP domains
               CATH domains 1ojyA01 A:2-64 Complement Module, domain 1                     1ojyA02 A:65-128 Complement Module, domain 1                    1ojyA03 A:129-191 Complement Module, domain 1                  1ojyA04 A:192-253 Complement Module, domain 1                  CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .ee........eee.......ee...eeeeee...eee......eeeee...ee......eee..........eee..hhhhh.......eeeeee...eee......eee.............eee...........eeeee........eeeeee...eeee...eeeeeee..eeee.....eeee...........eeee..........eeeeee....eee...eeeee......ee.....eee. Sec.struct. author
             SAPs(SNPs) (1) ------------------L-----------------------------R--------------------------------------------------------------------------------------------------------------------L---------------------------P------------H--------------------------------------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------P----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE SUSHI  PDB: A:3-62 UniProt: 34-94                            -SUSHI  PDB: A:64-128 UniProt: 96-160                             SUSHI  PDB: A:129-190 UniProt: 161-222                        SUSHI  PDB: A:191-253 UniProt: 223-285                          PROSITE
           Transcript 1 (1) 1-------------------------------------------------------------Exon 1.4b  PDB: A:64-128 UniProt: 96-160                         --------------------------------Exon 1.6  PDB: A:161-190      --------------------------------------------------------------1 Transcript 1 (1)
           Transcript 1 (2) Exon 1.3  PDB: A:2-64 UniProt: 34-96                           ---------------------------------------------------------------Exon 1.5  PDB: A:128-161          ----------------------------Exon 1.7  PDB: A:190-253 UniProt: 222-285                        Transcript 1 (2)
                 1ojy A   2 QDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRG 253
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251  

Chain B from PDB  Type:PROTEIN  Length:253
 aligned with DAF_HUMAN | P08174 from UniProtKB/Swiss-Prot  Length:381

    Alignment length:253
                                    43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283   
            DAF_HUMAN    34 GDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRGK 286
               SCOP domains d1ojyb1 B:2-64 Complement decay-accelerating factor (Daf, CD55)d1ojyb2 B:65-128                                                d1ojyb3 B:129-190                                             d1ojyb4 B:191-254                                                SCOP domains
               CATH domains 1ojyB01 B:2-64 Complement Module, domain 1                     1ojyB02 B:65-128 Complement Module, domain 1                    1ojyB03 B:129-191 Complement Module, domain 1                  1ojyB04 B:192-254 Complement Module, domain 1                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee........eee.......ee...eeeeee...eee......eeeee...ee......eee..........eee..hhhhh.......eeeeee...eee......eee.............eee...........eeeee........eeeeee...eeee...eeeeeee..eeee.....eeee...........eeee..........eeeeee....eee...eeeee......ee.....eee.. Sec.struct. author
             SAPs(SNPs) (1) ------------------L-----------------------------R--------------------------------------------------------------------------------------------------------------------L---------------------------P------------H---------------------------------------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------P------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (2)
                    PROSITE SUSHI  PDB: B:3-62 UniProt: 34-94                            -SUSHI  PDB: B:64-128 UniProt: 96-160                             SUSHI  PDB: B:129-190 UniProt: 161-222                        SUSHI  PDB: B:191-253 UniProt: 223-285                         - PROSITE
           Transcript 1 (1) 1-------------------------------------------------------------Exon 1.4b  PDB: B:64-128 UniProt: 96-160                         --------------------------------Exon 1.6  PDB: B:161-190      --------------------------------------------------------------1. Transcript 1 (1)
           Transcript 1 (2) Exon 1.3  PDB: B:2-64 UniProt: 34-96                           ---------------------------------------------------------------Exon 1.5  PDB: B:128-161          ----------------------------Exon 1.7  PDB: B:190-253 UniProt: 222-285                       - Transcript 1 (2)
                 1ojy B   2 QDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRGC 254
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251   

Chain C from PDB  Type:PROTEIN  Length:253
 aligned with DAF_HUMAN | P08174 from UniProtKB/Swiss-Prot  Length:381

    Alignment length:253
                                    42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282   
            DAF_HUMAN    33 WGDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRG 285
               SCOP domains d1ojyc1 C:1-64 Complement decay-accelerating factor (Daf, CD55) d1ojyc2 C:65-128                                                d1ojyc3 C:129-190                                             d1ojyc4 C:191-253                                               SCOP domains
               CATH domains 1ojyC01 C:1-64 Complement Module, domain 1                      1ojyC02 C:65-128 Complement Module, domain 1                    1ojyC03 C:129-191 Complement Module, domain 1                  1ojyC04 C:192-253 Complement Module, domain 1                  CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..ee........eee.......ee...eeeeee...eee......eeeee...ee......eee..........eee..............eeeeee...eee......eee.............eee...........eeee.........eeeeee...eeee...eeeeeee..eeee.....eeee...........eeee..........eeeeee....eeeee.eeeee......ee.....eee. Sec.struct. author
             SAPs(SNPs) (1) -------------------L-----------------------------R--------------------------------------------------------------------------------------------------------------------L---------------------------P------------H--------------------------------------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) -------------------P----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE -SUSHI  PDB: C:3-62 UniProt: 34-94                            -SUSHI  PDB: C:64-128 UniProt: 96-160                             SUSHI  PDB: C:129-190 UniProt: 161-222                        SUSHI  PDB: C:191-253 UniProt: 223-285                          PROSITE
           Transcript 1 (1) 1.-------------------------------------------------------------Exon 1.4b  PDB: C:64-128 UniProt: 96-160                         --------------------------------Exon 1.6  PDB: C:161-190      --------------------------------------------------------------1 Transcript 1 (1)
           Transcript 1 (2) -Exon 1.3  PDB: C:2-64 UniProt: 34-96                           ---------------------------------------------------------------Exon 1.5  PDB: C:128-161          ----------------------------Exon 1.7  PDB: C:190-253 UniProt: 222-285                        Transcript 1 (2)
                 1ojy C   1 MQDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRG 253
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250   

Chain D from PDB  Type:PROTEIN  Length:253
 aligned with DAF_HUMAN | P08174 from UniProtKB/Swiss-Prot  Length:381

    Alignment length:253
                                    43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283   
            DAF_HUMAN    34 GDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRGK 286
               SCOP domains d1ojyd1 D:2-64 Complement decay-accelerating factor (Daf, CD55)d1ojyd2 D:65-128                                                d1ojyd3 D:129-190                                             d1ojyd4 D:191-254                                                SCOP domains
               CATH domains 1ojyD01 D:2-64 Complement Module, domain 1                     1ojyD02 D:65-128 Complement Module, domain 1                    1ojyD03 D:129-191 Complement Module, domain 1                  1ojyD04 D:192-254 Complement Module, domain 1                   CATH domains
           Pfam domains (1) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD01 D:193-251                                    --- Pfam domains (1)
           Pfam domains (2) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD02 D:193-251                                    --- Pfam domains (2)
           Pfam domains (3) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD03 D:193-251                                    --- Pfam domains (3)
           Pfam domains (4) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD04 D:193-251                                    --- Pfam domains (4)
           Pfam domains (5) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD05 D:193-251                                    --- Pfam domains (5)
           Pfam domains (6) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD06 D:193-251                                    --- Pfam domains (6)
           Pfam domains (7) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD07 D:193-251                                    --- Pfam domains (7)
           Pfam domains (8) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD08 D:193-251                                    --- Pfam domains (8)
           Pfam domains (9) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD09 D:193-251                                    --- Pfam domains (9)
          Pfam domains (10) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD10 D:193-251                                    --- Pfam domains (10)
          Pfam domains (11) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD11 D:193-251                                    --- Pfam domains (11)
          Pfam domains (12) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD12 D:193-251                                    --- Pfam domains (12)
          Pfam domains (13) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD13 D:193-251                                    --- Pfam domains (13)
          Pfam domains (14) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD14 D:193-251                                    --- Pfam domains (14)
          Pfam domains (15) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD15 D:193-251                                    --- Pfam domains (15)
          Pfam domains (16) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Sushi-1ojyD16 D:193-251                                    --- Pfam domains (16)
         Sec.struct. author .ee........eee.......ee...eeeeee...eee......eeeee...ee......eee..........eee..............eeeeee...eee......eee.............eee...........eeee.........eeeeee...eeee...eeeeeee..eeee.....eeee...........eeee..........eeeeee...eeeeee.eeeee......ee.....eeee. Sec.struct. author
             SAPs(SNPs) (1) ------------------L-----------------------------R--------------------------------------------------------------------------------------------------------------------L---------------------------P------------H---------------------------------------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ------------------P------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs) (2)
                    PROSITE SUSHI  PDB: D:3-62 UniProt: 34-94                            -SUSHI  PDB: D:64-128 UniProt: 96-160                             SUSHI  PDB: D:129-190 UniProt: 161-222                        SUSHI  PDB: D:191-253 UniProt: 223-285                         - PROSITE
           Transcript 1 (1) 1-------------------------------------------------------------Exon 1.4b  PDB: D:64-128 UniProt: 96-160                         --------------------------------Exon 1.6  PDB: D:161-190      --------------------------------------------------------------1. Transcript 1 (1)
           Transcript 1 (2) Exon 1.3  PDB: D:2-64 UniProt: 34-96                           ---------------------------------------------------------------Exon 1.5  PDB: D:128-161          ----------------------------Exon 1.7  PDB: D:190-253 UniProt: 222-285                       - Transcript 1 (2)
                 1ojy D   2 QDCGLPPDVPNAQPALEGRTSFPEDTVITYKCEESFVKIPGEKDSVICLKGSQWSDIEEFCNRSCEVPTRLNSASLKQPYITQNYFPVGTVVEYECRPGYRREPSLSPKLTCLQNLKWSTAVEFCKKKSCPNPGEIRNGQIDVPGGILFGATISFSCNTGYKLFGSTSSFCLISGSSVQWSDPLPECREIYCPAPPQIDNGIIQGERDHYGYRQSVTYACNKGFTMIGEHSIYCTVNNDEGEWSGPPPECRGC 254
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251   

   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  (1, 16)

Asymmetric Unit

(-) CATH Domains  (1, 16)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)
1a1ojyA04A:192-253
1b1ojyC04C:192-253
1c1ojyB04B:192-254
1d1ojyD04D:192-254
1e1ojyA03A:129-191
1f1ojyB03B:129-191
1g1ojyC03C:129-191
1h1ojyD03D:129-191
1i1ojyA01A:2-64
1j1ojyB01B:2-64
1k1ojyD01D:2-64
1l1ojyC01C:1-64
1m1ojyA02A:65-128
1n1ojyB02B:65-128
1o1ojyC02C:65-128
1p1ojyD02D:65-128

(-) Pfam Domains  (1, 16)

Asymmetric Unit
(-)
Family: Sushi (50)
1aSushi-1ojyD01D:193-251
1bSushi-1ojyD02D:193-251
1cSushi-1ojyD03D:193-251
1dSushi-1ojyD04D:193-251
1eSushi-1ojyD05D:193-251
1fSushi-1ojyD06D:193-251
1gSushi-1ojyD07D:193-251
1hSushi-1ojyD08D:193-251
1iSushi-1ojyD09D:193-251
1jSushi-1ojyD10D:193-251
1kSushi-1ojyD11D:193-251
1lSushi-1ojyD12D:193-251
1mSushi-1ojyD13D:193-251
1nSushi-1ojyD14D:193-251
1oSushi-1ojyD15D:193-251
1pSushi-1ojyD16D:193-251

(-) Gene Ontology  (28, 28)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (DAF_HUMAN | P08174)
molecular function
    GO:0008289    lipid binding    Interacting selectively and non-covalently with a lipid.
    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.
biological process
    GO:0035743    CD4-positive, alpha-beta T cell cytokine production    Any process that contributes to cytokine production by a CD4-positive, alpha-beta T cell.
    GO:0006888    ER to Golgi vesicle-mediated transport    The directed movement of substances from the endoplasmic reticulum (ER) to the Golgi, mediated by COP II vesicles. Small COP II coated vesicles form from the ER and then fuse directly with the cis-Golgi. Larger structures are transported along microtubules to the cis-Golgi.
    GO:0006958    complement activation, classical pathway    Any process involved in the activation of any of the steps of the classical pathway of the complement cascade which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes.
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0045916    negative regulation of complement activation    Any process that stops, prevents, or reduces the frequency, rate or extent of complement activation.
    GO:2000516    positive regulation of CD4-positive, alpha-beta T cell activation    Any process that activates or increases the frequency, rate or extent of CD4-positive, alpha-beta T cell activation.
    GO:2000563    positive regulation of CD4-positive, alpha-beta T cell proliferation    Any process that activates or increases the frequency, rate or extent of CD4-positive, alpha-beta T cell proliferation.
    GO:0007204    positive regulation of cytosolic calcium ion concentration    Any process that increases the concentration of calcium ions in the cytosol.
    GO:0030449    regulation of complement activation    Any process that modulates the frequency, rate or extent of complement activation.
    GO:0031664    regulation of lipopolysaccharide-mediated signaling pathway    Any process that modulates the frequency, rate or extent of signaling in response to detection of lipopolysaccharide.
    GO:0045730    respiratory burst    A phase of elevated metabolic activity, during which oxygen consumption increases; this leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals.
    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:0000139    Golgi membrane    The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
    GO:0031225    anchored component of membrane    The component of a membrane consisting of the gene products that are tethered to the membrane only by a covalently attached anchor, such as a lipid group that is embedded in the membrane. Gene products with peptide sequences that are embedded in the membrane are excluded from this grouping.
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    GO:0033116    endoplasmic reticulum-Golgi intermediate compartment membrane    The lipid bilayer surrounding any of the compartments of the endoplasmic reticulum (ER)-Golgi intermediate compartment system.
    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:0005887    integral component of plasma membrane    The component of the plasma 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.
    GO:0030133    transport vesicle    Any of the vesicles of the constitutive secretory pathway, which carry cargo from the endoplasmic reticulum to the Golgi, between Golgi cisternae, from the Golgi to the ER (retrograde transport) or to destinations within or outside the cell.

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 Related Entries

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

UniProtKB/Swiss-Prot
        DAF_HUMAN | P081741h03 1h04 1h2p 1h2q 1m11 1nwv 1ojv 1ojw 1ok1 1ok2 1ok3 1ok9 1uot 1upn 2c8i 2qzd 2qzf 2qzh 3iyp 3j24 5foa

(-) Related Entries Specified in the PDB File

1h03 HUMAN CD55 DOMAINS 3 & 4
1h04 HUMAN CD55 DOMAINS 3 & 4
1h2p HUMAN CD55 DOMAINS 3 & 4
1h2q HUMAN CD55 DOMAINS 3 & 4
1m11 STRUCTURAL MODEL OF HUMAN DECAY-ACCELERATING FACTOR BOUNDTO ECHOVIRUS 7 FROM CRYO- ELECTRON MICROSCOPY
1nwv SOLUTION STRUCTURE OF A FUNCTIONALLY ACTIVE COMPONENT OFDECAY ACCELERATING FACTOR
1ojv DECAY ACCELERATING FACTOR: THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
1ojw DECAY ACCELERATING FACTOR: THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
1ok1 DECAY ACCELERATING FACTOR: THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
1ok2 DECAY ACCELERATING FACTOR: THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
1ok3 DECAY ACCELERATING FACTOR: THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
1ok9 DECAY ACCELERATING FACTOR: THE STRUCTURE OF AN INTACT HUMAN COMPLEMENT REGULATOR.
1uot HUMAN CD55 DOMAINS 3 & 4
1upn COMPLEX OF ECHOVIRUS TYPE 12 WITH DOMAINS 3 AND 4 OF ITS RECEPTOR DECAY ACCELERATING FACTOR (CD55) BY CRYO ELECTRON MICROSCOPY AT 16 A