7AR0 | pdb_00007ar0

Co-Crystal Structure of Variant Surface Glycoprotein VSG2 in complex with Nanobody VSG2(NB19)

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	V-set_12	e7ar0B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
A	F_UNCLASSIFIED	e7ar0A1	A: a+b complex topology	X: VSG (variant surface glycoprotein) N-terminal domain (From Topology)	H: VSG (variant surface glycoprotein) N-terminal domain (From Topology)	T: VSG (variant surface glycoprotein) N-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV1	-	variant surface glycoprotein mitat 1.2	SAbDab (2025-10-03)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00913	Trypanosome variant surface glycoprotein (A-type) (Trypan_glycop)	Trypanosome variant surface glycoprotein (A-type)	The trypanosome parasite expresses these proteins to evade the immune response. This family includes a variety of surface proteins such as Trypanosoma brucei VSGs such as expression site associated gene (ESAG) 6 and 7 [3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Nanobody VSG2(NB19)	-	-	-
A	Variant surface glycoprotein MITAT 1.2	-	symbiont-mediated perturbation of host defense response biological process involved in interspecies interaction between organisms response to stimulus response to other organism symbiont-mediated perturbation of host immune response symbiont-mediated response to host defenses response to external stimulus biological process involved in interaction with host response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated perturbation of host process response to host immune response symbiont-mediated evasion of host immune response response to host symbiont-mediated perturbation of host defense response biological process involved in interspecies interaction between organisms response to stimulus response to other organism symbiont-mediated perturbation of host immune response symbiont-mediated response to host defenses response to external stimulus biological process involved in interaction with host response to biotic stimulus biological process involved in symbiotic interaction symbiont-mediated perturbation of host process response to host immune response symbiont-mediated evasion of host immune response response to host response to external biotic stimulus modulation of process of another organism	cellular anatomical structure membrane side of membrane cell periphery plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR027446	Variant surface glycoprotein C-terminal domain superfamily	Homologous Superfamily
A	IPR001812	Trypanosome variant surface glycoprotein, A-type, N-terminal domain	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.