Gene Information
Gene NameCOPA
OrganismHomo sapiens (Human)
Gene Length1224
Protein NamesCoatomer subunit alpha (Alpha-coat protein) (Alpha-COP) (HEP-COP) (HEPCOP) [Cleaved into: Xenin (Xenopsin-related peptide); Proxenin]
Target NameNA
Target TypeNA
Gene Age>4290 ( ENSG00000122218 )
Evolutionary StageEukaryota
AlphaFoldDBP53621
Gene CardCOPA
Uniprot IDP53621
PfamPF12894; PF04053; PF06957; PF00400
In ASDno
Allosteric Predictionyes (0.200594124)
Ortholog in AnimalsAlpaca_ COPA ( ortholog_one2one )
Dog_ COPA ( ortholog_one2one )
GuineaPig_ COPA ( ortholog_one2one )
Macaque_ COPA ( ortholog_one2one )
Mouse_ Copa ( ortholog_one2one )
Pig_ COPA ( ortholog_one2one )
Rat_ Copa ( ortholog_one2one )
Rabbit_ COPA ( ortholog_one2one )
OhnologsNA
ParalogsCOPB2
TissueNA
Tissue SpecificityUniformly expressed in a wide range of adult and fetal tissues. Xenin is found in gastric, duodenal and jejunal mucosa. Circulates in the blood. Seems to be confined to specific endocrine cells.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);NULL(Rat);0.171693(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 6PBG  (X-ray  1.72A  6TZT  (X-ray  3.06A  6U3V  (X-ray  2.96A 
DBSNP rs864309710  rs794727993  rs794727995  rs794727994  rs34997807 
Subcellular location [CC]Cytoplasm {ECO:0000250}. Golgi apparatus membrane {ECO:0000250};
Peripheral membrane protein {ECO:0000250};
Cytoplasmic side {ECO:0000250}. Cytoplasmic vesicle, COPI-coated vesicle membrane {ECO:0000250};
Peripheral membrane protein {ECO:0000250};
Cytoplasmic side {ECO:0000250}. Note=The coatomer is cytoplasmic or polymerized on the cytoplasmic side of the Golgi, as well as on the vesicles/buds originating from it. {ECO:0000250}.;
[Xenin]: Secreted {ECO:0000250}.
Mouse PG classificationNA
click here to return to the previous page