QUESTION 2For the peptide: TREATS, what would be the yz ion?EATSTRETSATSQUESTION 3In the presence of 0.000005 M competitive inhibitor, an enzyme exhibits an appainhibitor is 0.0000003 M, what is the true Km of the enzyme? Give your answerscientific notation. For example, 0.000023434 is 2.34e

The B and Y ions for any given peptide represent the two halves formed by splitting the original…

Answered: For the peptide: TREATS, what would be…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Subjecting this peptide to one cycle of the Edman degradation would result in L-M-F-V-W-E-Q-A-P-S-P Leucine OA. O B. Proline oc Leucine phenylthiohydantoin OD. Proline phenylthiohydantoin None of the above OE.
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A peptide composed of 40 amino acids (aa) was isolated from the venom of the Gila Monster(Heloderma suspectum, then submitted to various biochemical and chemical treatments.1) After a treatment with a highly specific chymotrypsin, four peptides were generated:- peptide A (6 aa)- peptide B (16 aa)- peptide C (3 aa)- , and peptide D (15 aa)2) Treatment with carboxypeptidases A or B resulted in the release of:- phenylalanine for peptides A and B- tryptophan for peptide C- glycine for peptide D and the 40 amino acids venom peptide3) One cycle of Edman degradation either for peptide A or for the 40 amino acidspeptide gave the exact PTH derivative indicated below: 4) The 40 amino acids peptide treated with Asp-N endopeptidase followed by massspectrometry MS/MS revealed the following composition:- two molecules of glutamic acid,- various peptides indicated below sorted by masses:HG,DLSKQM,EGTFTS,EAVRLFI,EWLKNGGPSSGAPPPSG Information- Chymotrypsin (endopeptidase) hydrolyzes peptide bonds on…
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For the peptide: TREATS, what would be the y3 ion? EATS TRE O TS ATS