Suppose that there is an unknown protein that underwent Edman sequencing method. From N- terminal determination, a biochemist found out that there are two N-terminal amino acid residues, V and G. What is the original sequence of the protein given the following peptide fragments: after digestion with Chymotrypsin: G-L-S-R-G-M-w V-A-L-F Q-L-Y L-R-V-W G-M-V-E-A-D-I-P K-S-P-E-M-T-W R-M-A-S-E-K-P-G-H after digestion with Trypsin: P-G-H V-W-G-M-V-E-A-D-I-P M-A-S-E-K G-M-W-Q-L-Y-L-R S-P-E-M-T-W-R G-L-S-R V-A-L-F-K after digestion with Cyanogen Bromide: T-W-R-M W-Q-L-Y-L-R-V-W-G-M V-E-A-D-I-P A-S-E-K-P-G-H V-A-L-F-K-S-P-E-M G-L-S-R-G-M

Human Heredity: Principles and Issues (MindTap Course List)
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ISBN:9781305251052
Author:Michael Cummings
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Chapter9: Gene Expression And Gene Regulation
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Problem 18QP: The following is a portion of a protein: met-trp-tyr-arg-gly-pro-thr-Various mutant forms of this...
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Suppose that there is an unknown protein that underwent Edman sequencing method. From N-
terminal determination, a biochemist found out that there are two N-terminal amino acid residues,
V and G. What is the original sequence of the protein given the following peptide fragments:
after digestion with Chymotrypsin:
G-L-S-R-G-M-w
V-A-L-F
Q-L-Y
L-R-V-W
G-M-V-E-A-D-I-P
K-S-P-E-M-T-W
R-M-A-S-E-K-P-G-H
after digestion with Trypsin:
P-G-H
V-W-G-M-V-E-A-D-I-P
M-A-S-E-K
G-M-W-Q-L-Y-L-R
S-P-E-M-T-W-R
G-L-S-R
V-A-L-F-K
after digestion with Cyanogen Bromide:
T-W-R-M
W-Q-L-Y-L-R-V-W-G-M
V-E-A-D-I-P
A-S-E-K-P-G-H
V-A-L-F-K-S-P-E-M
G-L-S-R-G-M
Transcribed Image Text:Suppose that there is an unknown protein that underwent Edman sequencing method. From N- terminal determination, a biochemist found out that there are two N-terminal amino acid residues, V and G. What is the original sequence of the protein given the following peptide fragments: after digestion with Chymotrypsin: G-L-S-R-G-M-w V-A-L-F Q-L-Y L-R-V-W G-M-V-E-A-D-I-P K-S-P-E-M-T-W R-M-A-S-E-K-P-G-H after digestion with Trypsin: P-G-H V-W-G-M-V-E-A-D-I-P M-A-S-E-K G-M-W-Q-L-Y-L-R S-P-E-M-T-W-R G-L-S-R V-A-L-F-K after digestion with Cyanogen Bromide: T-W-R-M W-Q-L-Y-L-R-V-W-G-M V-E-A-D-I-P A-S-E-K-P-G-H V-A-L-F-K-S-P-E-M G-L-S-R-G-M
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