4. Now returning to the topic of endogenous peptides, the sequence for a-endorphin is: YGGFMTSEKSQTPLVT a) Convert the one-letter code sequence for a-endorphin into the corresponding three-letter code sequence. For example, IKEA will be lle-Lys-Glu-Ala C-term: b) Which amino acid is at each terminus of a-endorphin? N-term: c) Which amino acid in a-endorphin has a sidechain that is positively charged at pH 7.4? d) Which amino acid in a-endorphin has a sidechain that is negatively charged at pH 7.4? e) How many amino acids in a-endorphin contain a hydroxyl group?
4. Now returning to the topic of endogenous peptides, the sequence for a-endorphin is: YGGFMTSEKSQTPLVT a) Convert the one-letter code sequence for a-endorphin into the corresponding three-letter code sequence. For example, IKEA will be lle-Lys-Glu-Ala C-term: b) Which amino acid is at each terminus of a-endorphin? N-term: c) Which amino acid in a-endorphin has a sidechain that is positively charged at pH 7.4? d) Which amino acid in a-endorphin has a sidechain that is negatively charged at pH 7.4? e) How many amino acids in a-endorphin contain a hydroxyl group?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:4. Now returning to the topic of endogenous peptides, the sequence for a-endorphin is:
YGGFMTSEKSQTPLVT
a) Convert the one-letter code sequence for a-endorphin into the corresponding three-letter code
sequence. For example, IKEA will be lle-Lys-Glu-Ala
C-term:
b) Which amino acid is at each terminus of a-endorphin? N-term:
c) Which amino acid in a-endorphin has a sidechain that is positively charged at pH 7.4?
d) Which amino acid in a-endorphin has a sidechain that is negatively charged at pH 7.4?
e) How many amino acids in a-endorphin contain a hydroxyl group?
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