BIOCHEMISTRY
9th Edition
ISBN: 2818440090622
Author: BERG
Publisher: MAC HIGHER
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Chapter 24, Problem 29P
Interpretation Introduction
Interpretation:
Alkylation of cysteine258 substituted aspartate aminotransferase gives some enzymatic activity.
Concept introduction:
Aspartate aminotransferase (AST) enzyme is found in all the cells of the body, mostly in heart and liver cells. This enzyme is very important in amino acid
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H₂N
NH
peptide_0e60
A dipeptide is made up of two (2) amino acids. The figure above shows one such dipeptide with an unknown sequence. Your task is to find out the two (2) letter sequence of this dipeptide.
carbons in each of the structures below. For instance, the central carbon of chloromethylbutane (pictured
3. A chiral carbon is a carbon that is single-bonded to four different types of groups. Identify the chiral
above) is a chiral carbon. (Can you see how the groups attached to it are all chemically different?)
In each of the chiral molecules below, identify all the carbons that are chiral carbons by drawing a circle
around each one of them.
(a) the carbohydrate glucose
H
O
(b) the carbohydrate fructose
CH₂OH
1C
H-C-OH
3
HO-C-H
4
H-C-OH
5
H-C-OH
6CH₂OH
D-Glucose
(linear form)
(c) the amino acid leucine
O
O
H3C.
HO H
H-
-OH
CH 3 NH2
H-
-OH
CH₂OH
OH
Chapter 24 Solutions
BIOCHEMISTRY
Ch. 24 - Prob. 1PCh. 24 - Prob. 2PCh. 24 - Prob. 3PCh. 24 - Prob. 4PCh. 24 - Prob. 5PCh. 24 - Prob. 6PCh. 24 - Prob. 7PCh. 24 - Prob. 8PCh. 24 - Prob. 9PCh. 24 - Prob. 10P
Ch. 24 - Prob. 11PCh. 24 - Prob. 12PCh. 24 - Prob. 13PCh. 24 - Prob. 14PCh. 24 - Prob. 15PCh. 24 - Prob. 16PCh. 24 - Prob. 17PCh. 24 - Prob. 18PCh. 24 - Prob. 19PCh. 24 - Prob. 20PCh. 24 - Prob. 21PCh. 24 - Prob. 22PCh. 24 - Prob. 23PCh. 24 - Prob. 24PCh. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - Prob. 28PCh. 24 - Prob. 29PCh. 24 - Prob. 30PCh. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - Prob. 36PCh. 24 - Prob. 37PCh. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Prob. 40P
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