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A variant protein with the single amino acid mutation, C56K, is most likely to lose which of the following properties?
Sortillin is a 110-kDa protein found in GLUT-4 vesicles and is responsible for transporting proteins across lipid bilayers. It was recently discovered that a variant version of Sortillin (G171A, D223F, and R367E) is implicated in the development and progression of essential tremor.
What is the change in net charge between the wild-type Sortilin and the variant version?
Which mutation is likely to cause the largest disruption of protein secondary structure?
