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  Domain Name: START_STARD2-like
Lipid-binding START domain of mammalian STARD2 and related proteins. This subgroup includes the steroidogenic acute regulatory protein (StAR)-related lipid transfer (START) domains of STARD2 (also known as phosphatidylcholine transfer protein/PC-TP) and related proteins. It belongs to the START domain family, and in turn to the SRPBCC (START/RHO_alpha_C/PITP/Bet_v1/CoxG/CalC) domain superfamily of proteins that bind hydrophobic ligands. SRPBCC domains have a deep hydrophobic ligand-binding pocket. STARD2 is a cytosolic phosphatidycholine (PtdCho) transfer protein, which traffics PtdCho, the most common class of phospholipids in eukaryotes, between membranes. It represents a minimal START domain structure. STARD2 plays roles in hepatic cholesterol metabolism, in the development of atherosclerosis, and may have a mitochondrial function.
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 2
Total Disease Mutations Found: 0
This domain occurred 4 times on human genes (4 proteins).




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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
PtdCho binding site













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Please Cite: Peterson, T.A., Adadey, A., Santana-Cruz ,I., Sun, Y., Winder A, Kann, M.G., (2010) DMDM: Domain Mapping of Disease Mutations. Bioinformatics 26 (19), 2458-2459.

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