Answer to Question #90949 in Biochemistry for Sankalp pathak

Question #90949
The enzyme succinic dehydrogenase catalyses the conversion of succinate to fumarate as given below. Which one of the following compounds would be a likely competitive inhibitor of this reaction? (COOH)H2C-CH2(COOH) → (COOH)HC=CH(COOH) a. (COOH)HC=CH(COOH) b. (COOH)C≡C(COOH) c. CH3CH2CH2NH2 d. (COOH)-CH2-(COOH) 13. Treatment of a polypeptide by 2-mercaptoethanol yields two polypeptides that have the following amino acid sequences: X: Ala-Phe-Cys-Met-Tyr-Cys-Leu-Trp-Cys-Asn Y: Val-Cys-Trp-Val-Ile-Phe-Gly-Cys-Lys Chymotrypsin-catalyzed hydrolysis of the intact polypeptide yields polypeptide fragments with the following amino acid compositions: (Ala, Phe) (Asn, Cys2, Met,Tyr) (Cys, Gly, Lys) (Cys2, Leu,Trp2,Val) (Ile, Phe,Val) Indicate the positions of the disulfide bonds in the original polypeptide. Cysteines are numbered in order (C1, C2, C3 in X; and C4, C5 in Y).
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Expert's answer
2019-06-19T06:54:44-0400
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