Gene Information
Gene NameMICB
OrganismHomo sapiens (Human)
Gene Length383
Protein NamesMHC class I polypeptide-related sequence B (MIC-B)
Target NameNA
Target TypeNA
Gene Age544 ( ENSG00000204516 )
3 ( ENSG00000206449 )
3 ( ENSG00000224378 )
3 ( ENSG00000227772 )
3 ( ENSG00000231179 )
3 ( ENSG00000231372 )
3 ( ENSG00000234218 )
3 ( ENSG00000238289 )
Evolutionary StageVertebrata
AlphaFoldDBQ29980
Gene CardMICB
Uniprot IDQ29980
PfamPF07654; PF00129
In ASDno
Allosteric Predictionno (-1.038170994)
Ortholog in AnimalsMouse_ Mill1 ( ortholog_many2many )
Mouse_ Mill2 ( ortholog_many2many )
Rat_ Mill1 ( ortholog_many2many )
Rat_ Micb ( ortholog_many2many )
OhnologsNA
ParalogsHLA-B, HLA-E, HLA-A, HLA-F, HLA-G, HLA-C, CD1B, ULBP2, RAET1L, FCGRT, RAET1G, CD1A, CD1D, CD1C, RAET1E, ULBP3, ULBP1, CD1E, MICA, AZGP1, HFE, MR1
TissueNA
Tissue SpecificityWidely expressed with the exception of the central nervous system where it is absent. Expressed in many, but not all, epithelial tumors of lung, breast, kidney, ovary, prostate and colon. In hepatocellular carcinomas, expressed in tumor cells but not in surrounding non-cancerous tissue. {ECO:0000269|PubMed:10359807, ECO:0000269|PubMed:12569559, ECO:0000269|PubMed:17565371}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1JE6  (X-ray  2.50A  2WY3  (X-ray  1.80A 
DBSNP rs45578846  rs45583740  rs3131639  rs1065075  rs45486091  rs45502297  rs3134900  rs1051788  rs1051788  rs41293883  rs45624537  rs45587032  rs41273040  rs45470602  rs1065076 
Subcellular location [CC]Cell membrane {ECO:0000250|UniProtKB:Q29983};
Single-pass type I membrane protein {ECO:0000250|UniProtKB:Q29983}. Note=Binding to human cytomegalovirus glycoprotein UL16 causes sequestration in the endoplasmic reticulum. {ECO:0000250|UniProtKB:Q29983, ECO:0000269|PubMed:12782710}.
Mouse PG classificationNA
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