6R2S | pdb_00006r2s

The structure of Plasmodium vivax Duffy binding protein (PvDBP) bound to human antibody DB9

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d6r2sc1	All alpha proteins	Duffy binding domain-like	Duffy binding domain-like	Duffy binding domain	automated matches	(Plasmodium vivax Sal-1 ) [TaxId: 126793 ],	SCOPe (2.08)
C	d6r2sc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Plasmodium vivax Sal-1 ) [TaxId: 126793 ],	SCOPe (2.08)
A	d6r2sa2	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	d6r2sa1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Duffy binding domain-like	8078551	3001914	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	LptF_LptG	e6r2sC1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: LptF_LptG	ECOD (develop294)
B	LptF_LptG	e6r2sB1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: LptF_LptG	ECOD (develop294)
A	LptF_LptG	e6r2sA1	A: alpha bundles	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: LptF_LptG	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.20.1310.20	Mainly Alpha	Up-down Bundle	5 helical Cullin repeat like	Duffy-antigen binding domain	CATH (utative)
C	1.20.58.830	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (utative)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B	Fab DB9	VH-CH1	Homo sapiens (human)	IGHV4-3901, IGHV4-3906, IGHV4-3907, IGHJ201, IGHG103, IGHG108, IGHG1*06	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)
A	Fab DB9	L-KAPPA	Homo sapiens (human)	IGKV1-503, IGKJ101, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV4	-	duffy receptor	SAbDab (2026-03-20)
A	Light Chain	IGKV1	Kappa	duffy receptor	SAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF05424	Duffy binding domain (Duffy_binding)	Duffy binding domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Duffy receptor	identical protein binding protein binding binding host cell surface binding host cell surface receptor binding	-	cellular anatomical structure membrane
B	Antibody DB9 heavy chain	-	-	-
A	Antibody DB9 light chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR043057	Erythrocyte binding antigen 175, C-terminal domain superfamily	Homologous Superfamily
C	IPR008602	Duffy-antigen binding domain	Domain
C	IPR021620	Erythrocyte binding antigen 175, C-terminal	Domain
C	IPR021015	Duffy-antigen binding, C-terminal	Domain
C	IPR042202	Duffy-antigen binding superfamily	Homologous Superfamily
C	IPR021032	Duffy-antigen binding, N-terminal	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.