Question 3. AMDH enzyme SH B: (base) In one step of tryptophane catabolism, the enzyme aminomuconate- semialdehyde dehydrogenase (AMDH) catalyzes the oxidation of 2-amino muconate semialdehyde to 2-amino muconate according the the overal scheme below. The reaction proceeds through a 2-amino muconate thioester intermediate (not shown) produced through the action of a cofactor NADP+. H NH3* 2-amino muconate CO₂ semialdehyde Structure of NADP+: NH3 AMDH enzyme a) Draw the structure of NADP+ (you can abbreviate ADP as R). CO₂ NADP+ - NADPH NH3+ CO₂ 2-amino muconate b) Provide a detailed arrow-pushing mechanism for the formation of 2-amino muconate from 2-amino muconate semialdehyde. NH3 CO₂

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Question 3.
AMDH
enzyme
SH
B:
(base)
In one step of tryptophane catabolism, the enzyme aminomuconate-
semialdehyde dehydrogenase (AMDH) catalyzes the oxidation of 2-amino
muconate semialdehyde to 2-amino muconate according the the overal scheme
below. The reaction proceeds through a 2-amino muconate thioester
intermediate (not shown) produced through the action of a cofactor NADP+.
H
NH3*
2-amino muconate
CO₂
semialdehyde
Structure of NADP+:
NH3
AMDH enzyme
a) Draw the structure of NADP+ (you can abbreviate ADP as R).
CO₂
NADP+
- NADPH
NH3+
CO₂
2-amino muconate
b) Provide a detailed arrow-pushing mechanism for the formation of 2-amino
muconate from 2-amino muconate semialdehyde.
NH3
CO₂
Transcribed Image Text:Question 3. AMDH enzyme SH B: (base) In one step of tryptophane catabolism, the enzyme aminomuconate- semialdehyde dehydrogenase (AMDH) catalyzes the oxidation of 2-amino muconate semialdehyde to 2-amino muconate according the the overal scheme below. The reaction proceeds through a 2-amino muconate thioester intermediate (not shown) produced through the action of a cofactor NADP+. H NH3* 2-amino muconate CO₂ semialdehyde Structure of NADP+: NH3 AMDH enzyme a) Draw the structure of NADP+ (you can abbreviate ADP as R). CO₂ NADP+ - NADPH NH3+ CO₂ 2-amino muconate b) Provide a detailed arrow-pushing mechanism for the formation of 2-amino muconate from 2-amino muconate semialdehyde. NH3 CO₂
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