3P30 | pdb_00003p30

crystal structure of the cluster II Fab 1281 in complex with HIV-1 gp41 ectodomain


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Ae3p30A1 A: TIM beta/alpha-barrelX: TIM barrelsH: TIM barrelsT: C1-setF:ECOD (20:10:01)
B [auth L]e3p30L1 A: Immunoglobulin-like beta-sandwichX: Immunoglobulin-relatedH: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeT: tRNA_int_endoF:ECOD (20:10:01)
C [auth H]e3p30H1 A: Immunoglobulin-like beta-sandwichX: Immunoglobulin-relatedH: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeT: tRNA_int_endoF:ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.287.210 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
B [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C [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]Fab 1281 L-LAMBDA Homo sapiens (human) IGLV1-47*01, IGLV1-47*02, IGLJ2*01, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202609-0)
C [auth H]Fab 1281 VH-CH1 Homo sapiens (human) IGHV1-69*01, IGHV1-69*06, IGHV1-69*10, IGHV1-69*12, IGHV1-69*13, IGHV1-69*14, IGHV1-69D*01, IGHJ5*02, IGHG1*01, IGHG1*02, IGHG1*04 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]Light ChainIGLV1 Lambdahiv-1 gp41SAbDab (2026-03-13)
C [auth H]Heavy ChainIGHV1 -hiv-1 gp41SAbDab (2026-03-13)