Annotations: 9GWT

crystal structure of 23ME-00610 Fab in complex with human CD200R1

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth H]	V-set	e9gwtH01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: V-set	ECOD (v294.2)
B [auth L]	V-set	e9gwtL01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: V-set	ECOD (v294.2)
C [auth P]	V-set	e9gwtP01	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: V-set	ECOD (v294.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H]	Heavy Chain	IGHV4	-	isoform 1 of cell surface glycoprotein cd200 receptor 1	SAbDab (2026-05-08)
B [auth L]	Light Chain	IGKV3	Kappa	isoform 1 of cell surface glycoprotein cd200 receptor 1	SAbDab (2026-05-08)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth P]	PF08205	CD80-like C2-set immunoglobulin domain (C2-set_2)	CD80-like C2-set immunoglobulin domain	These domains belong to the immunoglobulin superfamily.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H]	23ME-00610 Fab (heavy)	-	-	-
B [auth L]	23ME-00610 Fab (light)	-	-	-
C [auth P]	Isoform 1 of Cell surface glycoprotein CD200 receptor 1	molecular transducer activity signaling receptor activity protein binding binding carbohydrate derivative binding glycosylated region protein binding immunoglobulin receptor activity transmembrane signaling receptor activity immune receptor activity	interleukin-6 production multicellular organismal process regulation of cellular process negative regulation of biological process regulation of interleukin-6 production regulation of cytokine production cytokine production negative regulation of cellular process regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation interleukin-6 production multicellular organismal process regulation of cellular process negative regulation of biological process regulation of interleukin-6 production regulation of cytokine production cytokine production negative regulation of cellular process regulation of multicellular organismal process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process negative regulation of metabolic process biological regulation negative regulation of cytokine production regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of interleukin-6 production negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process negative regulation of multicellular organismal process regulation of metabolic process regulation of defense response response to stimulus regulation of response to external stimulus defense response regulation of inflammatory response response to external stimulus regulation of response to stimulus response to stress regulation of response to stress regulation of neuroinflammatory response inflammatory response neuroinflammatory response negative regulation of inflammatory response negative regulation of response to stimulus negative regulation of response to external stimulus negative regulation of defense response negative regulation of neuroinflammatory response heterotypic cell-cell adhesion cell adhesion cell-cell adhesion cellular response to stimulus signaling signal transduction intracellular signal transduction cell communication negative regulation of mononuclear cell migration negative regulation of locomotion regulation of cell motility regulation of lymphocyte migration regulation of cell migration cell migration regulation of immune system process negative regulation of lymphocyte migration cell motility regulation of mononuclear cell migration locomotion negative regulation of cell migration regulation of leukocyte migration lymphocyte migration leukocyte migration negative regulation of T cell migration negative regulation of leukocyte migration negative regulation of immune system process immune system process regulation of locomotion regulation of T cell migration mononuclear cell migration negative regulation of cell motility T cell migration macrophage migration regulation of macrophage migration myeloid leukocyte migration negative regulation of macrophage migration	protein-containing complex signaling receptor complex cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth P]	IPR040012	Cell surface glycoprotein CD200 receptor	Family
C [auth P]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
C [auth P]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
C [auth P]	IPR013162	CD80-like, immunoglobulin C2-set	Domain
C [auth P]	IPR007110	Immunoglobulin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C [auth P]	: Q8TD46	Liver Cirrhosis, Experimental allergic rhinitis rheumatoid arthritis asthma malignant glioma rhinitis large cell medulloblastoma MALT lymphoma

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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.