5GZ0 | pdb_00005gz0

Crystal structure of FM329, a recombinant Fab adopted from cetuximab

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Cd5gz0c2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens/Mus musculus xenograft ) [TaxId: 1383439 ], SCOPe (2.08)
Cd5gz0c1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens/Mus musculus xenograft ) [TaxId: 1383439 ], SCOPe (2.08)
Ad5gz0a2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens/Mus musculus xenograft ) [TaxId: 1383439 ], SCOPe (2.08)
Ad5gz0a1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens/Mus musculus xenograft ) [TaxId: 1383439 ], SCOPe (2.08)
Dd5gz0d_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens/Mus musculus xenograft ) [TaxId: 1383439 ], SCOPe (2.08)
Bd5gz0b_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens/Mus musculus xenograft ) [TaxId: 1383439 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CIg_3e5gz0C1 A: a/b three-layered sandwichesX: TIM beta/alpha-barrelH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: Ig_3ECOD (v294.1)
AIg_3e5gz0A1 A: a/b three-layered sandwichesX: TIM beta/alpha-barrelH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: Ig_3ECOD (v294.1)
DIg_3e5gz0D1 A: a/b three-layered sandwichesX: TIM beta/alpha-barrelH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: Ig_3ECOD (v294.1)
BIg_3e5gz0B1 A: a/b three-layered sandwichesX: TIM beta/alpha-barrelH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: Ig_3ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B2.60.40.10 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, C
Fab FM329 L-KAPPA Homo sapiens (human) IGKV5-48*01, IGKJ5*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202611-0)
B, D
Fab FM329 VH-CH1 Homo sapiens (human) IGHV2-2*03, IGHJ3*01, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A, C
Light ChainIGKV5 Kappa-SAbDab (2026-03-27)
B, D
Heavy ChainIGHV2 --SAbDab (2026-03-27)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
A, C
 Izalontamab EGFR/ERBB1/HER1, ERBB3/HER3Therapeutic SAbDab (2026-03-27)
B, D
 Cetuximab EGFR/ERBB1/HER1, ERBB3/HER3Therapeutic SAbDab (2026-03-27)