Sec13: (Biological Classification > Low Complexity Regions / Repeats > RefOG001) - The members of the SEC13 family are part of the COPII coat (Stagg SM et al, 2008), which involved in cargo export from the endoplasmic reticulum (ER), and the nuclear pore complex (Hsia KC et al, 2007). Sec13, belong to the larger family of WD repeats (also known as WD or beta-transducin repeats). WD are short ~40 amino acid motifs, often terminating in a Trp-Asp (W-D) dipeptide. WD-containing proteins have 4 to 16 repeating units, all of which are thought to form a circularised beta-propeller structure.
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