Deduce the amino acid sequence of a pentapeptide from the followingexperimental results. Note that under the column labeled "Amino AcidComposition," the amino acids are listed in alphabetical order. In no way doesthis listing give any information about primary structure.Experimental ProcedureAmino Acid CompositionPentapeptideArg, Glu, His, Phe, SerEdman degradationGluHydrolysis catalyzed by chymotrypsinFragment AGlu, His, PheFragment BArg, SerHydrolysis catalyzed by trypsinFragment CArg, Glu, His, PheFragment DSer

Edman degradation can be defined as a method that specifically cleaves and identifies the N-terminal…

Answered: Deduce the amino acid sequence of a…

Curren'S Math For Meds: Dosages & Sol

11th Edition

ISBN:9781305143531

Author:CURREN

Publisher:CURREN

Chapter6: Oral Medication Labels And Dosage Calculation

Section: Chapter Questions

Problem 9.4P

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Fatty acids are isolated using a surface embedded with silver ions. The composition of a fatty acid mixture was identified,and the shorthand notations of the fatty acid and triglyceride names were identified.Sample A – 18:0Sample B – trans-18:1∆9Sample C – cis, cis-20:2∆9, ∆12Sample D – 1,2-dibutyroyl-3-caproyl glycerolSample E – 1,2-dioleoyl-3-linoleoyl glycerolSample F – phosphatidylcholineWhich among these fatty acids and triglycerides, respectively, will MOST LIKELY be isolated by the described surface?Illustrate the condensed and skeletal structures of your answer(s). Provide a ten-sentence explanation to justify youranswers using relevant chemistry concepts.
Name the following lipid. thank u
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An octapeptide was hydrolyzed and the amino acids separated. Its amino acid composition was determined: Gly (1); Ala (2); Val (1); Lys (2); Met (1); Asp (1). After incubation with FDNB and hydrolysis, 2,4-dinitrophenylalanine was detected. NO, H N -C- COOH H O,N CH, Treatment with cyanogen bromide, which cleaves at M, resulted in two fragments: a pentapeptide containing two K residues and a tripeptide containing V, G, and A. The residues are not listed in any particular order. After treatment with trypsin, which cleaves at R and K, there were three fragments: two dipeptides and MGAV. What is the sequence of the octapeptide? Use the one-letter abbreviations for the amino acids, and do not use dashes. octapeptide sequence:
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When a nonapeptide undergoes partial hydrolysis, it forms dipeptides, a tripeptide and two tetrapeptideswhose amino acid compositions are shown. Reaction of the intact nonapeptide with Edman’s reagentreleases PTH-Leu. What is the sequence of the nonapeptide?1. Pro, Ser 3. Met, Ala, Leu 5. Glu, Ser, Val, Pro 7. Met, Leu2. Gly, Glu 4. Gly, Ala 6. Glu, Pro, Gly 8. His, Val
Refer to the lipid structure below. CH,-O-C-(CH,),,CH, CH-O-C-(CH,),CH, NH,+ CH-O-P-O-CH,-CH-COO- A. Identify the lipid structure, give its role, function, and enumerate its hydrolysis products. B. Explain which hydrolyzed component will test positive in the Acrolein test? Ninhydrin test?
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An octapeptide was hydrolyzed and the amino acids separated. Its amino acid composition was determined: Gly (1); Ala (2); Val (1); Lys (2); Met (1); Asp (1). After incubation with FDNB and hydrolysis, 2,4-dinitrophenylalanine was detected. NO2 H H N C COOH ON- CH, Treatment with cyanogen bromide, which cleaves at M, resulted in two fragments: a pentapeptide containing two K residues and a tripeptide containing V, G, and A. The residues are not listed in any particular order. After treatment with trypsin, which cleaves at R and K, there were three fragments: two dipeptides and MGAV. What is the sequence of the octapeptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.

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