Crystal Structure of PCDN-27A, an antibody from the PCDN family of HIV-1 antibodies


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DAn_peroxidasee5bzdD1 A: beta barrelsX: Chlorophyll a-b binding proteinH: Chlorophyll a-b binding proteinT: Chlorophyll a-b binding proteinF: An_peroxidaseECOD (v294.2)
BAn_peroxidasee5bzdB1 A: beta barrelsX: Chlorophyll a-b binding proteinH: Chlorophyll a-b binding proteinT: Chlorophyll a-b binding proteinF: An_peroxidaseECOD (v294.2)
CAn_peroxidasee5bzdC1 A: beta barrelsX: Chlorophyll a-b binding proteinH: Chlorophyll a-b binding proteinT: Chlorophyll a-b binding proteinF: An_peroxidaseECOD (v294.2)
AAn_peroxidasee5bzdA1 A: beta barrelsX: Chlorophyll a-b binding proteinH: Chlorophyll a-b binding proteinT: Chlorophyll a-b binding proteinF: An_peroxidaseECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 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, D
5G8 Fab VH-CH1 Homo sapiens (human) IGHV4-34*01, IGHV4-34*02, IGHV4-34*12, IGHJ5*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202617-0)
A, C
5G8 Fab L-KAPPA Homo sapiens (human) IGKV3-20*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, D
Heavy ChainIGHV4 --SAbDab (2026-05-08)
A, C
Light ChainIGKV3 Kappa-SAbDab (2026-05-08)