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ARF1 is a _______ binding protein.(a) carbohydrate(b) GTP(c) GDP(d) ATPThe question was asked at a job interview.This intriguing question originated from Cytoplasmic Membrane Systems topic in portion Cytoplasmic Membrane Systems of Cell Biology

Answer»

Correct option is (b) GTP

Explanation: SIMILAR to Sar1 protein found in COPII-COAT PROTEINS, ARF1 is a GTP-binding protein found in COPI-coat proteins. The GTP is hydrolyzed PRIOR to disassembly of the coat.



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