3BDW

Human CD94/NKG2A

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d3bdwb_	Alpha and beta proteins (a+b)	C-type lectin-like	C-type lectin-like	C-type lectin domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d3bdwd_	Alpha and beta proteins (a+b)	C-type lectin-like	C-type lectin-like	C-type lectin domain	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d3bdwa_	Alpha and beta proteins (a+b)	C-type lectin-like	C-type lectin-like	C-type lectin domain	CD94	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d3bdwc_	Alpha and beta proteins (a+b)	C-type lectin-like	C-type lectin-like	C-type lectin domain	CD94	human (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)
B	SCOP2 Family	C-type lectin domain	8065447	4002453	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	C-type lectin-like	8065448	3001261	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	C-type lectin-like	8065448	3001261	SCOP2B (2022-06-29)
A	SCOP2 Family	C-type lectin domain	8026705	4002453	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	C-type lectin-like	8039084	3001261	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	C-type lectin-like	8039084	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	Lectin_C_1	e3bdwB1	A: a+b complex topology	X: C-type lectin-like (From Homology)	H: C-type lectin-like	T: C-type lectin-like	F: Lectin_C_1	ECOD (1.6)
D	Lectin_C_1	e3bdwD1	A: a+b complex topology	X: C-type lectin-like (From Homology)	H: C-type lectin-like	T: C-type lectin-like	F: Lectin_C_1	ECOD (1.6)
A	Lectin_C_1	e3bdwA1	A: a+b complex topology	X: C-type lectin-like (From Homology)	H: C-type lectin-like	T: C-type lectin-like	F: Lectin_C_1	ECOD (1.6)
C	Lectin_C_1	e3bdwC1	A: a+b complex topology	X: C-type lectin-like (From Homology)	H: C-type lectin-like	T: C-type lectin-like	F: Lectin_C_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.10.100.10	Alpha Beta	Roll	Mannose-Binding Protein A	Chain A	CATH (4.3.0)
D	3.10.100.10	Alpha Beta	Roll	Mannose-Binding Protein A	Chain A	CATH (4.3.0)
A	3.10.100.10	Alpha Beta	Roll	Mannose-Binding Protein A	Chain A	CATH (4.3.0)
C	3.10.100.10	Alpha Beta	Roll	Mannose-Binding Protein A	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF00059	Lectin C-type domain (Lectin_C)	Lectin C-type domain	This family includes both long and short form C-type	Domain
A, C	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
B, D	NKG2-A/NKG2-B type II integral membrane protein	binding carbohydrate binding MHC class Ib receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity inhibitory MHC class Ib receptor activity immune receptor activity HLA-E specific inhibitory MHC class Ib receptor activity protein-containing complex binding MHC protein complex binding MHC class I protein complex 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 response to stress regulation of 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 adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated immunity negative regulation of biological process negative regulation of lymphocyte mediated immunity regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains negative regulation of leukocyte mediated cytotoxicity negative regulation of cellular process negative regulation of cell killing regulation of T cell mediated immunity T cell mediated cytotoxicity regulation of adaptive immune response negative regulation of response to stimulus negative regulation of immune response negative regulation of T cell mediated cytotoxicity negative regulation of immune effector process negative regulation of adaptive immune response adaptive immune response negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of T cell mediated cytotoxicity negative regulation of immune system process negative regulation of leukocyte mediated immunity negative regulation of T cell mediated immunity cellular response to stimulus cell surface receptor signaling pathway signaling signal transduction cell communication gamma-delta intraepithelial T cell differentiation developmental process multicellular organismal process cellular developmental process gamma-delta T cell activation hemopoiesis cell activation cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation gamma-delta T cell differentiation CD8-positive, gamma-delta intraepithelial T cell differentiation T cell activation cell differentiation anatomical structure development T cell differentiation leukocyte differentiation immune response-regulating cell surface receptor signaling pathway natural killer cell inhibitory signaling pathway immune response-inhibiting cell surface receptor signaling pathway immune response-regulating signaling pathway immune response-inhibiting signal transduction immune response-activating signaling pathway 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 innate immune response activating cell surface receptor signaling pathway stimulatory C-type lectin receptor signaling pathway regulation of leukocyte activation regulation of cell activation natural killer cell activation regulation of multicellular organismal process regulation of natural killer cell activation regulation of lymphocyte activation negative regulation of natural killer cell mediated immunity negative regulation of response to external stimulus negative regulation of defense response negative regulation of natural killer cell mediated cytotoxicity negative regulation of response to biotic stimulus negative regulation of innate immune response	protein-containing complex receptor complex cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane
A, C	Natural killer cells antigen CD94	binding carbohydrate binding protein antigen binding protein binding antigen binding MHC class Ib receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity inhibitory MHC class Ib receptor activity immune receptor activity HLA-E specific inhibitory MHC class Ib receptor activity protein-containing complex binding MHC protein complex binding binding carbohydrate binding protein antigen binding protein binding antigen binding MHC class Ib receptor activity molecular transducer activity transmembrane signaling receptor activity signaling receptor activity inhibitory MHC class Ib receptor activity immune receptor activity HLA-E specific inhibitory MHC class Ib receptor activity protein-containing complex binding MHC protein complex binding MHC class I protein complex binding MHC class Ib protein binding signaling receptor binding MHC class Ib protein binding, via antigen binding groove MHC class Ib protein complex binding MHC 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 response to stress regulation of 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 adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains T cell mediated immunity negative regulation of biological process negative regulation of lymphocyte mediated immunity regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains negative regulation of leukocyte mediated cytotoxicity negative regulation of cellular process negative regulation of cell killing regulation of T cell mediated immunity T cell mediated cytotoxicity regulation of adaptive immune response negative regulation of response to stimulus negative regulation of immune response negative regulation of T cell mediated cytotoxicity negative regulation of immune effector process negative regulation of adaptive immune response adaptive immune response negative regulation of adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains regulation of T cell mediated cytotoxicity negative regulation of immune system process negative regulation of leukocyte mediated immunity negative regulation of T cell mediated immunity cellular response to stimulus cell surface receptor signaling pathway signaling signal transduction cell communication immune response-regulating cell surface receptor signaling pathway immune response-activating signaling pathway 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 innate immune response activating cell surface receptor signaling pathway immune response-regulating signaling pathway stimulatory C-type lectin receptor signaling pathway multicellular organismal process regulation of leukocyte activation cell activation regulation of cell activation natural killer cell activation lymphocyte activation leukocyte activation regulation of multicellular organismal process regulation of natural killer cell activation regulation of lymphocyte activation negative regulation of natural killer cell mediated immunity negative regulation of response to external stimulus negative regulation of defense response negative regulation of natural killer cell mediated cytotoxicity negative regulation of response to biotic stimulus negative regulation of innate immune response	protein-containing complex receptor complex cell periphery cell surface membrane plasma membrane cellular anatomical entity external side of plasma membrane side of membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR016187	C-type lectin fold	Homologous Superfamily
B, D	IPR001304	C-type lectin-like	Domain
B, D	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
B, D	IPR033992	Natural killer cell receptor-like, C-type lectin-like domain	Domain
A, C	IPR016187	C-type lectin fold	Homologous Superfamily
A, C	IPR001304	C-type lectin-like	Domain
A, C	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
A, C	IPR033992	Natural killer cell receptor-like, C-type lectin-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D	Pharos: P26715	Behcet disease dental caries psoriasis
A, C	Pharos: Q13241	Behcet disease lung adenocarcinoma medulloblastoma pituitary cancer cutaneous lupus erythematosus lung cancer non-small cell lung carcinoma type 1 diabetes mellitus large cell medulloblastoma lung carcinoma osteosarcoma

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.