The amino acid cysteine, C3H7NO2S, is biosynthesized from a substance called cystathionine by a multistep pathway. (a)

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The amino acid cysteine, C3H7NO2S, is biosynthesized from a substance called cystathionine by a multistep pathway.

(a) The first step is a transamination. What is the product?

(b) The second step is an E1cB reaction. Show the products and the mechanism of the reaction.

(c) The final step is a double-bond reduction. What organic cofactor is required for this reaction and what is the product represented by the question mark In theequation?

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Organic Chemistry

ISBN: 9780495112587

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Authors: John McMurry

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Question Posted: Mar 10, 2011 12:24 AM

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The amino acid cysteine, C3H7NO2S, is biosynthesized from a substance called cystathionine by a multistep pathway. (a)

Question:

eсовонено NH2 + ? + Cysteine осснсH2сн2sCH2снсо- *Nнз *NHз Cystathionine

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b c OCCHCHCHSCHCHCO NH3 HA NH3 Cystathionine B HO NHA ...View the full answer

Organic Chemistry

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eсовонено NH2 + ? + Cysteine осснсH2сн2sCH2снсо- Nнз NHз Cystathionine