a. Pentapeptide with aminopeptidase releases an amino acid which gives a black precipitate with lead acetate test. b. Tetrapeptide with carboxypeptidase gives a yellow color with ninhydrin test. c. Tripeptide with trypsin releases an amino acid that gives a red color with Sakaguchi test. d. Dipeptide with chymotrypsin separated an amino acid that gives a red color with Millons test e. Amino acid separated is optically inactive. Main questions: A. What amino acids are indicated to be present? B. Deduce the sequence of the amino acid in the pentapeptide
a. Pentapeptide with aminopeptidase releases an amino acid which gives a black precipitate with lead acetate test. b. Tetrapeptide with carboxypeptidase gives a yellow color with ninhydrin test. c. Tripeptide with trypsin releases an amino acid that gives a red color with Sakaguchi test. d. Dipeptide with chymotrypsin separated an amino acid that gives a red color with Millons test e. Amino acid separated is optically inactive. Main questions: A. What amino acids are indicated to be present? B. Deduce the sequence of the amino acid in the pentapeptide
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 8.1P
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A pentapeptide was isolated and upon hydrolysis with various enzymes and
chemical test, the following results were obtained.
a. Pentapeptide with aminopeptidase releases an amino acid which gives a black
precipitate with lead acetate test.
b. Tetrapeptide with carboxypeptidase gives a yellow color with ninhydrin test.
c. Tripeptide with trypsin releases an amino acid that gives a red color with
Sakaguchi test.
d. Dipeptide with chymotrypsin separated an amino acid that gives a red color
with Millons test
e. Amino acid separated is optically inactive.
Main questions:
A. What amino acids are indicated to be present?
B. Deduce the sequence of the amino acid in the pentapeptide.
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