Gene Information
Gene NameCABYR
OrganismHomo sapiens (Human)
Gene Length493
Protein NamesCalcium-binding tyrosine phosphorylation-regulated protein (Calcium-binding protein 86) (Cancer/testis antigen 88) (CT88) (Fibrousheathin II) (Fibrousheathin-2) (FSP-2) (Testis-specific calcium-binding protein CBP86)
Target NameNA
Target TypeNA
Gene Age645 ( ENSG00000154040 )
Evolutionary StageMammalia
AlphaFoldDBO75952
Gene CardCABYR
Uniprot IDO75952
PfamPF02197
In ASDno
Allosteric Predictionno (-1.215755473)
Ortholog in AnimalsAlpaca_ CABYR ( ortholog_one2one )
Dog_ CABYR ( ortholog_one2one )
GuineaPig_ CABYR ( ortholog_one2one )
Macaque_ CABYR ( ortholog_one2one )
Mouse_ Cabyr ( ortholog_one2one )
Pig_ CABYR ( ortholog_one2one )
Rat_ Cabyr ( ortholog_one2one )
OhnologsNA
ParalogsNA
Tissuetestis
Tissue SpecificityExpressed in elongating spermatids and spermatozoa (at protein level). Isoform 1 is expressed in testis. Isoform 3 and isoform 5 are also expressed in brain, pancreas and numerous brain tumors. {ECO:0000269|PubMed:11820818, ECO:0000269|PubMed:15752768, ECO:0000269|PubMed:16139264}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs3786417  rs35118855  rs1049682  rs1049683 
Subcellular location [CC]Cytoplasm, cytoskeleton. Cell projection, cilium, flagellum. Note=Localized to fibrous sheath including the surface of the longitudinal columns and ribs of the principal piece of sperm flagella.;
[Isoform 1]: Nucleus. Cytoplasm. Cell projection, cilium, flagellum. Note=According to PubMed:15752768, isoform 1, isoform 3 and isoform 5 are both nuclear and cytoplasmic.;
[Isoform 3]: Nucleus. Cytoplasm. Cell projection, cilium, flagellum. Note=According to PubMed:15752768, isoform 1, isoform 3 and isoform 5 are both nuclear and cytoplasmic.;
[Isoform 5]: Nucleus. Cytoplasm. Cell projection, cilium, flagellum. Note=According to PubMed:15752768, isoform 1, isoform 3 and isoform 5 are both nuclear and cytoplasmic.
Mouse PG classificationNA
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