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Peripheral membrane component of the cis-Golgi stack that acts as a membrane skeleton that maintains the structure of the Golgi apparatus, and as a vesicle thether that facilitates vesicle fusion to the Golgi membrane. Required for normal protein transport from the endoplasmic reticulum to the Golgi apparatus and the cell membrane. Together with p115/USO1 and STX5, involved in vesicle tethering and fusion at the cis-Golgi membrane to maintain the stacked and inter-connected structure of the Golgi apparatus. Plays a central role in mitotic Golgi disassembly: phosphorylation at Ser-37 by CDK1 at the onset of mitosis inhibits the interaction with p115/USO1, preventing tethering of COPI vesicles and thereby inhibiting transport through the Golgi apparatus during mitosis. Also plays a key role in spindle pole assembly and centrosome organization.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: 130 kDa cis-Golgi matrix protein; cis-Golgi matrix protein GM130; GM130; GM130 autoantigen; GOLGA; golgi autoantigen, golgin subfamily a, 2; Golgi matrix protein GM130; Golgin subfamily A member 2; Golgin-95; SY11 protein
Gene Aliases: AW555139; GM130; GOLGA2; mKIAA4150
UniProt ID: (Human) Q08379, (Rat) Q62839, (Mouse) Q921M4
Entrez Gene ID: (Human) 2801, (Rat) 64528, (Mouse) 99412
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