Gene Information
Gene NameKLRC1
OrganismHomo sapiens (Human)
Gene Length233
Protein NamesNKG2-A/NKG2-B type II integral membrane protein (CD159 antigen-like family member A) (NK cell receptor A) (NKG2-A/B-activating NK receptor) (CD antigen CD159a)
Target Namenkg2-a/b-activating nk receptor
Target TypeClinical trial target
Gene Age382 ( ENSG00000134545 )
Evolutionary StageMammalia
AlphaFoldDBP26715
Gene CardKLRC1
Uniprot IDP26715
PfamPF00059
In ASDno
Allosteric Predictionno (-0.790596586)
Ortholog in AnimalsAlpaca_ KLRC1 ( ortholog_one2one )
Mouse_ Klrc2 ( ortholog_many2many )
Mouse_ Klrc3 ( ortholog_many2many )
Mouse_ Klrc1 ( ortholog_many2many )
Mouse_ Klrh1 ( ortholog_many2many )
Mouse_ Clec2m ( ortholog_many2many )
Mouse_ Klri1 ( ortholog_many2many )
Mouse_ Klri2 ( ortholog_many2many )
Mouse_ Klre1 ( ortholog_many2many )
Rat_ Klrc1 ( ortholog_many2many )
Rat_ Klrc3 ( ortholog_many2many )
Rat_ Klrh1 ( ortholog_many2many )
Rat_ RGD1564770 ( ortholog_many2many )
Rat_ Klri1 ( ortholog_many2many )
Rat_ Klri2 ( ortholog_many2many )
Rat_ Klre1 ( ortholog_many2many )
OhnologsNA
ParalogsCD69, CLEC12A, KLRC3, KLRC2, CLEC12B, OLR1, KLRG2, CLEC2A, KLRF1, CLEC1A, KLRF2, KLRD1, CLEC2B, CLEC2L, KLRG1, CLEC9A, CLEC1B, KLRC4, KLRK1, CLEC5A, CLEC2D, CLEC7A, KLRB1
TissueNA
Tissue SpecificityPredominantly expressed in NK cells (at protein level) (PubMed:9430220, PubMed:9485206, PubMed:20952657). Expressed in intraepithelial CD8-positive T cell subsets with higher frequency in gamma-delta T cells than alpha-beta T cells (at protein level) (PubMed:18064301). Expressed in memory gamma-delta T cells (at protein level) (PubMed:20952657). Restricted to a subset of memory/effector CD8-positive alpha-beta T cells (at protein level) (PubMed:12387742). Expressed in intratumoral NK and CD8-positive T cells (PubMed:30503213). Expressed in melanoma-specific cytotoxic T cell clones (at protein level) (PubMed:9485206). KLRD1-KLRC1 and KLRD1-KLRC2 are differentially expressed in NK and T cell populations, with only minor subsets expressing both receptor complexes (at protein level) (PubMed:20952657). {ECO:0000269|PubMed:12387742, ECO:0000269|PubMed:18064301, ECO:0000269|PubMed:20952657, ECO:0000269|PubMed:30503213, ECO:0000269|PubMed:9430220, ECO:0000269|PubMed:9485206}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);NULL(Rat);0.028571(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2RMX  (NMR  2YU7  (NMR  3BDW  (X-ray  2.50A  3CDG  (X-ray  3.40A  3CII  (X-ray  4.41A 
DBSNP rs2253849 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:12165520, ECO:0000269|PubMed:20952657};
Single-pass type II membrane protein {ECO:0000255}.
Mouse PG classificationNA
click here to return to the previous page