4OCR | pdb_00004ocr

Crystal structure of human Fab CAP256-VRC26.01, a potent V1V2-directed HIV-1 neutralizing antibody

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth L]d4ocrl2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth L]d4ocrl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth H]Ig_2e4ocrH3 A: alpha bundlesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF: Ig_2ECOD (develop294)
A [auth L]AA_kinasee4ocrL2 A: alpha bundlesX: Repetitive alpha hairpinsH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Nicotinate/Quinolinate PRTase N-terminal domain-likeF: AA_kinaseECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [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
B [auth H]CAP256-VRC26.01 mAb, anti-gp120 [HIV-1], neutralizing VH-CH1 Homo sapiens (human) IGHV3-30-3*02, IGHJ3*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)
A [auth L]CAP256-VRC26.01 mAb, anti-gp120 [HIV-1], neutralizing L-LAMBDA Homo sapiens (human) IGLV1-51*01, IGLV1-51*02, IGLJ1*01, IGLC1*02, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV3 --SAbDab (2026-03-20)
A [auth L]Light ChainIGLV1 Lambda-SAbDab (2026-03-20)

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
B [auth H]TYS Parent Component: TYR

RESID:  AA0172

PSI-MOD :  O4'-sulfo-L-tyrosine MOD:00181