5CGY | pdb_00005cgy

Fab fragment of Chikungunya virus neutralizing human monoclonal antibody 4J21

External Resource: Annotation


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Dd5cgyd2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Dd5cgyd1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d5cgyl2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d5cgyl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
Cd5cgyc_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth H]d5cgyh_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
De5cgyD1 A: OB-foldX: Rubredoxin-relatedH: Rubredoxin-relatedT: CDP-OH_P_transfF:ECOD (20:10:01)
B [auth L]e5cgyL1 A: OB-foldX: Rubredoxin-relatedH: Rubredoxin-relatedT: CDP-OH_P_transfF:ECOD (20:10:01)
Ce5cgyC1 A: OB-foldX: Rubredoxin-relatedH: Rubredoxin-relatedT: CDP-OH_P_transfF:ECOD (20:10:01)
Ce5cgyC2 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: EF-hand_1, EF-hand_6, EF-hand_7F:ECOD (20:10:01)
A [auth H]e5cgyH1 A: OB-foldX: Rubredoxin-relatedH: Rubredoxin-relatedT: CDP-OH_P_transfF:ECOD (20:10:01)
A [auth H]e5cgyH2 A: Lipocalins/StreptavidinX: SAM/DNA-glycosylaseH: SAM domain-likeT: EF-hand_1, EF-hand_6, EF-hand_7F:ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B [auth L],
D		4J21 Fab L-LAMBDA Homo sapiens (human) IGLV1-44*01, IGLJ3*02, IGLC3*03 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202609-0)
A [auth H],
C		4J21 Fab VH-CH1 Homo sapiens (human) IGHV7-4-1*02, IGHJ6*01, IGHJ6*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D		Light ChainIGLV1 Lambda-SAbDab (2026-03-13)
A [auth H],
C		Heavy ChainIGHV7 --SAbDab (2026-03-13)