Crystal Structure of HIV-1 Neutralizing Antibody CH04


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]PK_Tyr_Ser-Thre3tclB1 A: beta barrelsX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: PK_Tyr_Ser-ThrECOD (v294.2)
B [auth L]H2THe3tclL1 A: beta barrelsX: Baculovirus p35 protein-relatedH: RIFT-relatedT: Phage tail proteinsF: H2THECOD (v294.2)
C [auth A]PK_Tyr_Ser-Thre3tclA1 A: beta barrelsX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: PK_Tyr_Ser-ThrECOD (v294.2)
A [auth H]PK_Tyr_Ser-Thre3tclH1 A: beta barrelsX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: PK_Tyr_Ser-ThrECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D [auth B]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)
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)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
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 (202617-0)
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 (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B]
Light ChainIGKV3 Kappa-SAbDab (2026-05-08)
A [auth H],
C [auth A]
Heavy ChainIGHV3 --SAbDab (2026-05-08)