Gene Information
Gene NameBTN2A1
OrganismHomo sapiens (Human)
Gene Length527
Protein NamesButyrophilin subfamily 2 member A1
Target NameNA
Target TypeNA
Gene Age78 ( ENSG00000112763 )
Evolutionary StageEumetazoa
AlphaFoldDBQ7KYR7
Gene CardBTN2A1
Uniprot IDQ7KYR7
PfamPF13765; PF00622; PF07686
In ASDno
Allosteric Predictionno (-1.224759848)
Ortholog in AnimalsAlpaca_ BTN2A1 ( ortholog_one2one )
OhnologsNA
ParalogsBTN2A2, CD276, BTNL2, BTNL9, ICOSLG, ERMAP, HHLA2, VTCN1, BTN1A1, BTN3A3, BTN3A2, BTN3A1, MOG, BTNL3, BTNL8
TissueNA
Tissue SpecificityHighly expressed in brain, bone marrow, small intestine, muscle, spleen and pancreas. Moderate expression was seen in lung, liver and kidney. {ECO:0000269|PubMed:9149941}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs3734539  rs13195402  rs13195401  rs13195509  rs3734542  rs3734543 
Subcellular location [CC]Membrane {ECO:0000250};
Single-pass type I membrane protein {ECO:0000250}.
Mouse PG classificationNA
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