6CA6 | pdb_00006ca6

Crystal structure of PCT64_35S, a broadly neutralizing anti-HIV antibody.

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
D [auth B]d6ca6b_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth H]d6ca6h_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
C [auth A]d6ca6a2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
C [auth A]d6ca6a1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth L]d6ca6l2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth L]d6ca6l1 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)
D [auth B]Anoctamine6ca6B1 A: alpha bundlesX: PriB N-terminal domain-likeH: gp11/gp12 receptor-binding domainT: gp11/gp12 receptor-binding domainF: AnoctaminECOD (develop294)
B [auth H]Cytochrom_Ce6ca6H1 A: alpha bundlesX: PriB N-terminal domain-likeH: ADP-ribosylationT: ADP-ribosylationF: Cytochrom_CECOD (develop294)
C [auth A]Anoctamine6ca6A1 A: alpha bundlesX: PriB N-terminal domain-likeH: gp11/gp12 receptor-binding domainT: gp11/gp12 receptor-binding domainF: AnoctaminECOD (develop294)
A [auth L]Cytochrom_Ce6ca6L1 A: alpha bundlesX: PriB N-terminal domain-likeH: ADP-ribosylationT: ADP-ribosylationF: Cytochrom_CECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D [auth B]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C [auth A]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],
D [auth B]		Fab PCT64_35S, broadly neutralizing anti-HIV antibody VH-CH1 Homo sapiens (human) IGHV3-15*01, IGHV3-15*04, IGHV3-15*05, IGHV3-15*07, IGHJ3*01, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
A [auth L],
C [auth A]		Fab PCT64_35S, broadly neutralizing anti-HIV antibody L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ3*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H],
D [auth B]		Heavy ChainIGHV3 --SAbDab (2026-03-20)
A [auth L],
C [auth A]		Light ChainIGKV3 Kappa-SAbDab (2026-03-20)

Protein Modification Annotation

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

RESID:  AA0172

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