3TCL | pdb_00003tcl

Crystal Structure of HIV-1 Neutralizing Antibody CH04

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
C [auth A]d3tcla_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
A [auth H]d3tclh_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
B [auth L]d3tcll2 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)
B [auth L]d3tcll1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)
D [auth B]d3tclb2 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)
D [auth B]d3tclb1 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)
C [auth A]PK_Tyr_Ser-Thre3tclA1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: PK_Tyr_Ser-ThrECOD (develop294)
A [auth H]PK_Tyr_Ser-Thre3tclH1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: PK_Tyr_Ser-ThrECOD (develop294)
B [auth L]PTPlike_phytasee3tclL1 A: alpha bundlesX: Baculovirus p35 protein-relatedH: RIFT-relatedT: Phage tail proteinsF: PTPlike_phytaseECOD (develop294)
D [auth B]PK_Tyr_Ser-Thre3tclB1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: PK_Tyr_Ser-ThrECOD (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)
B [auth L]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)

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]		CH04 mAb, anti-gp120 [HIV-1], neutralizing VH-CH1 Homo sapiens (human) IGHV3-20*01, IGHJ2*01, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
B [auth L],
D [auth B]		CH04 mAb, anti-gp120 [HIV-1], neutralizing L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ1*01, IGKJ2*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
A [auth H],
C [auth A]		Heavy ChainIGHV3 --SAbDab (2026-03-20)
B [auth L],
D [auth B]		Light ChainIGKV3 Kappa-SAbDab (2026-03-20)