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The Golgi apparatus is a very complex and dynamic organelle that functions in protein sorting and modification. Numerous structural and regulatory proteins are involved in the budding, docking, and fusion of Golgi-directed vesicles. p230 trans Golgi is a peripheral membrane protein associated with the cytosolic face of the trans Golgi network (TGN). Protein sequence analysis indicates that it is highly hydrophilic and contains two proline-rich regions, as well as a high frequency of heptad repeats which are characteristic of α-helices that form dimeric coiled-coiled structures. Additionally, p230 trans Golgi contains a ESLALEELEL sequence, a motif of the acidic granin proteins that are found in secretory granules of neuroendocrine cells. p230 trans Golgi cycles between the cytosol and the TGN via non-clathrin coated vesicles in a G protein-dependent manner. The localization of p230 trans Golgi to the TGN is dependent on aromatic residues in its C-terminal non-coiled coil domain. Thus, p230 trans-Golgi is aTGN-specific protein that is important for the biogenesis of distinct populations of non-clathrin coated vesicles and, thus, functions in vesicular transport from the TGN.Host Species: MouseClone: 15Isotype: IgG1Species Reactivity: HumanImmunogen: Human p230 trans Golgi aa. 2063-2179Formula Weight [Chemical]: 230kDaImmunofluorescence, Western Blotting
