9DH2 | pdb_00009dh2

Structure of Fab in complex with NKG2D extracellular domain

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
G [auth M]	SCOP2B Superfamily	C-type lectin-like	8032823	3001261	SCOP2B (2022-06-29)
J [auth R]	SCOP2B Superfamily	C-type lectin-like	8032823	3001261	SCOP2B (2022-06-29)
K [auth S]	SCOP2B Superfamily	C-type lectin-like	8032823	3001261	SCOP2B (2022-06-29)
L [auth T]	SCOP2B Superfamily	C-type lectin-like	8032823	3001261	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)
B [auth D]	VWA	e9dh2D01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: VWA	ECOD (v294.1)
A	VWA	e9dh2A01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: VWA	ECOD (v294.1)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth D], D [auth H], F [auth L], I [auth Q]	Light Chain	IGKV1	Kappa	nkg2-d type ii integral membrane protein	SAbDab (2026-04-17)
A, C [auth G], E [auth K], H [auth P]	Heavy Chain	IGHV1	-	nkg2-d type ii integral membrane protein	SAbDab (2026-04-17)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G [auth M], J [auth R], K [auth S], L [auth T]	PF00059	Lectin C-type domain (Lectin_C)	Lectin C-type domain	This family includes both long and short form C-type	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G [auth M], J [auth R], K [auth S], L [auth T]	NKG2-D type II integral membrane protein	MHC class Ib receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity immune receptor activity binding carbohydrate binding protein binding MHC class I protein binding signaling receptor binding MHC protein binding identical protein binding	regulation of immune effector process lymphocyte mediated immunity positive regulation of leukocyte mediated immunity positive regulation of response to biotic stimulus regulation of cellular process response to stimulus response to biotic stimulus positive regulation of leukocyte mediated cytotoxicity positive regulation of immune response positive regulation of natural killer cell mediated immunity leukocyte mediated immunity regulation of immune system process natural killer cell mediated immunity positive regulation of immune system process regulation of immune effector process lymphocyte mediated immunity positive regulation of leukocyte mediated immunity positive regulation of response to biotic stimulus regulation of cellular process response to stimulus response to biotic stimulus positive regulation of leukocyte mediated cytotoxicity positive regulation of immune response positive regulation of natural killer cell mediated immunity leukocyte mediated immunity regulation of immune system process natural killer cell mediated immunity positive regulation of immune system process regulation of biological process regulation of natural killer cell mediated immunity immune response response to other organism regulation of innate immune response response to external stimulus leukocyte mediated cytotoxicity immune effector process regulation of leukocyte mediated immunity regulation of response to stimulus defense response to other organism positive regulation of defense response natural killer cell mediated cytotoxicity regulation of immune response positive regulation of natural killer cell mediated cytotoxicity regulation of cell killing positive regulation of cell killing regulation of defense response regulation of response to biotic stimulus regulation of natural killer cell mediated cytotoxicity biological process involved in interspecies interaction between organisms regulation of response to external stimulus positive regulation of lymphocyte mediated immunity positive regulation of biological process positive regulation of response to stimulus positive regulation of response to external stimulus regulation of response to stress response to stress innate immune response positive regulation of immune effector process response to external biotic stimulus positive regulation of cellular process positive regulation of innate immune response defense response regulation of leukocyte mediated cytotoxicity biological regulation defense response to symbiont regulation of lymphocyte mediated immunity immune system process cellular process cell killing regulation of biosynthetic process regulation of nitric oxide biosynthetic process reactive nitrogen species metabolic process nitric oxide metabolic process positive regulation of metabolic process nitric oxide biosynthetic process biosynthetic process positive regulation of biosynthetic process metabolic process regulation of nitric oxide metabolic process positive regulation of nitric oxide biosynthetic process regulation of metabolic process developmental process cellular developmental process cell differentiation cellular response to stimulus negative regulation of mononuclear cell migration negative regulation of locomotion regulation of cell motility negative regulation of biological process negative regulation of chemotaxis regulation of lymphocyte chemotaxis natural killer cell chemotaxis taxis cell migration negative regulation of lymphocyte migration regulation of mononuclear cell migration negative regulation of cell migration chemotaxis regulation of leukocyte chemotaxis regulation of leukocyte migration lymphocyte migration leukocyte migration negative regulation of leukocyte migration response to chemical regulation of locomotion negative regulation of response to external stimulus negative regulation of cell motility negative regulation of leukocyte chemotaxis regulation of natural killer cell chemotaxis lymphocyte chemotaxis regulation of lymphocyte migration regulation of cell migration negative regulation of cellular process negative regulation of lymphocyte chemotaxis cell motility locomotion cell chemotaxis negative regulation of response to stimulus regulation of chemotaxis cellular response to chemical stimulus negative regulation of immune system process negative regulation of natural killer cell chemotaxis mononuclear cell migration leukocyte chemotaxis adaptive immune response response to lipid cellular response to lipopolysaccharide response to oxygen-containing compound cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound cellular response to biotic stimulus response to bacterium cellular response to lipid response to molecule of bacterial origin immune response-regulating cell surface receptor signaling pathway cell communication immune response-activating signaling pathway signal transduction innate immune response-activating signaling pathway immune response-activating cell surface receptor signaling pathway response to lectin cellular response to lectin activation of innate immune response activation of immune response signaling innate immune response activating cell surface receptor signaling pathway immune response-regulating signaling pathway cell surface receptor signaling pathway stimulatory C-type lectin receptor signaling pathway negative regulation of hydrolase activity negative regulation of GTPase activity regulation of catalytic activity negative regulation of molecular function negative regulation of catalytic activity regulation of GTPase activity regulation of molecular function regulation of hydrolase activity multicellular organismal process cell activation natural killer cell activation lymphocyte activation leukocyte activation regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion leukocyte cell-cell adhesion positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion T cell activation positive regulation of leukocyte activation regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion regulation of T cell activation lymphocyte costimulation regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process T cell costimulation regulation of lymphocyte activation regulation of type II interferon production type II interferon production positive regulation of macromolecule biosynthetic process cytokine production regulation of cytokine production positive regulation of macromolecule metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of type II interferon production regulation of gene expression positive regulation of gene expression regulation of macromolecule biosynthetic process macromolecule metabolic process positive regulation of cytokine production defense response to Gram-positive bacterium defense response to bacterium	cell periphery cellular anatomical structure cell surface membrane plasma membrane external side of plasma membrane side of membrane
B [auth D], D [auth H], F [auth L], I [auth Q]	Fab light chain	-	-	-
A, C [auth G], E [auth K], H [auth P]	Fab heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G [auth M], J [auth R], K [auth S], L [auth T]	IPR016187	C-type lectin fold	Homologous Superfamily
G [auth M], J [auth R], K [auth S], L [auth T]	IPR001304	C-type lectin-like	Domain
G [auth M], J [auth R], K [auth S], L [auth T]	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
G [auth M], J [auth R], K [auth S], L [auth T]	IPR033992	Natural killer cell receptor-like, C-type lectin-like domain	Domain
G [auth M], J [auth R], K [auth S], L [auth T]	IPR042169	NKG2-D type II integral membrane protein	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
G [auth M], J [auth R], K [auth S], L [auth T]	Pharos: P26718	melanoma alopecia areata cutaneous melanoma Behcet disease hematologic disease cancer

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.