Gene Symbol | COPA |
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Entrez Gene | 1314 |
Alt Symbol | HEP-COP |
Species | Human |
Gene Type | protein-coding |
Description | coatomer protein complex, subunit alpha |
Other Description | HEPCOP|alpha coat protein|alpha-COP|alpha-coat protein|coatomer subunit alpha|proxenin|xenin |
Swissprots | P53621 Q8IXZ9 Q5T201 |
Accessions | CAH56812 EAW52723 EAW52724 EAW52725 P53621 AK129830 AK307953 BC037941 BC038447 AAH38447 DC308331 U24105 AAB70879 NM_001098398 NP_001091868 NM_004371 NP_004362 |
Function | The coatomer is a cytosolic protein complex that binds to dilysine motifs and reversibly associates with Golgi non- clathrin-coated vesicles, which further mediate biosynthetic protein transport from the ER, via the Golgi up to the trans Golgi network. Coatomer complex is required for budding from Golgi membranes, and is essential for the retrograde Golgi-to-ER transport of dilysine-tagged proteins. In mammals, the coatomer can only be recruited by membranes associated to ADP-ribosylation factors (ARFs), which are small GTP-binding proteins; the complex also influences the Golgi structural integrity, as well as the processing, activity, and endocytic recycling of LDL receptors (By similarity). {ECO:0000250}. |
Subcellular Location | 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}. |
Tissue Specificity | Uniformly 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. |
alpha COP I peptide - ab4931 from Abcam
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Human alpha COP I protein fragment - ab152291 from Abcam
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COPA / Xenin Antibody Blocking Peptide - LS-E27535 from LifeSpan Bioscience
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COPA / Xenin Antibody Blocking Peptide - LS-E18618 from LifeSpan Bioscience
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COPA / Xenin Antibody Blocking Peptide - LS-E18619 from LifeSpan Bioscience
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Recombinant Human alpha COP I Protein - H00001314-Q01 from Novus Biologicals
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Xenin - SP2956b from Abgent, a WuXi AppTec company
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Xenin - SP2956a from Abgent, a WuXi AppTec company
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Xenin peptide - orb72042 from Biorbyt
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COPA Blocking Peptide - 33R-7432 from Fitzgerald
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COPA Blocking Peptide - 33R-4092 from Fitzgerald
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Xenin Peptide - abx064775 from Abbexa
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Alpha COP I Peptide - AC21-2357-P from Abcore
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Coatomer subunit alpha (COPA) - H00001314-Q01-10 from Acris Antibodies
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Coatomer subunit alpha (COPA) - H00001314-Q01-25 from Acris Antibodies
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Coatomer subunit alpha (COPA) Control Peptide - SP5145CP from Acris Antibodies
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Xenin - 55227 from NeoScientific
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Xenin Peptide - 350429 from ABBIOTEC
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Xenin - GWB-B04993 from Genway Biotech
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Xenin - CCP1476 from Cohesion Biosciences
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Recombinant Human Coatomer subunit alpha(COPA) ,partial - CSB-YP005782HU CSB-EP005782HU CSB-BP005782HU CSB-MP005782HU from Cusabio
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COPA, Peptide - MBS427990 from MyBioSource
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Xenin, Peptide - MBS826427 from MyBioSource
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alpha COP I Recombinant Protein Antigen - NBP1-89705PEP from Novus Biologicals
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Xenin - abx266908 from Abbexa |