5VH3 | pdb_00005vh3

Crystal structure of Fab fragment of the anti-TNFa antibody infliximab in a C-centered orthorhombic crystal form


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
C [auth A]e5vh3A1 A: alpha bundlesX: HAD domain-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF:ECOD (develop294)
A [auth H]e5vh3H1 A: alpha bundlesX: HAD domain-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF:ECOD (develop294)
D [auth B]e5vh3B1 A: alpha bundlesX: HAD domain-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF:ECOD (develop294)
B [auth L]e5vh3L1 A: alpha bundlesX: HAD domain-likeH: Class I glutamine amidotransferase-likeT: CheY-likeF:ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
C [auth A]2.60.40.10 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)
D [auth B]2.60.40.10 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)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A [auth H],
C [auth A]
Fab Infliximab VH-CH1 Chimeric (chimeric) IGHV6-6*02, IGHJ2*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*07 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
B [auth L],
D [auth B]
Fab Infliximab L-KAPPA Chimeric (chimeric) IGKV5-48*01, IGKJ4*01 V-DOMAIN V-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth H],
C [auth A]
Heavy ChainIGHV6 --SAbDab (2026-03-20)
B [auth L],
D [auth B]
Light ChainIGKV5 Kappa-SAbDab (2026-03-20)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
A [auth H],
C [auth A]
Infliximab TNF/TNFATherapeutic SAbDab (2026-03-20)
B [auth L],
D [auth B]
Infliximab TNF/TNFATherapeutic SAbDab (2026-03-20)