Which amino acid(s) are more commonly found at the At which position(s) are amino acids limited to those positions limited to amino acids with negatively chargec with negatively charged side chains? side chains? 1 O F only 2. R onl K only 4 E and D Y only 9. D only K and R 8. H onl 9. E only OO 10

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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Question
Which amino acid(s) are more commonly found at the
At which position(s) are amino acids limited to those
positions limited to amino acids with negatively charged
with negatively charged side chains?
side chains?
1
O F only
R onl
K only
E and D
Y only
9.
D only
K and R
8.
H onl
9
E only
10
Transcribed Image Text:Which amino acid(s) are more commonly found at the At which position(s) are amino acids limited to those positions limited to amino acids with negatively charged with negatively charged side chains? side chains? 1 O F only R onl K only E and D Y only 9. D only K and R 8. H onl 9 E only 10
Proteins called molecular chaperones assist in the process of protein folding. One class of chaperones found in organisms
from bacteria to mammals is heat shock protein 90 (Hsp90). All Hsp90 chaperones contain a 10 amino acid signature
sequence that readily allows identification of these proteins in sequence databases.
Two representations of the Hsp90 signature sequence are shown here.
Y-x-[NQHD]-[KHR]-[DE]-[IVA]-F-[LM]-R-[ED].
4
YSNKE/FLRE
3.
7.
1
1 2 3 4 5 6 7 8 9 10
C
Bits
Transcribed Image Text:Proteins called molecular chaperones assist in the process of protein folding. One class of chaperones found in organisms from bacteria to mammals is heat shock protein 90 (Hsp90). All Hsp90 chaperones contain a 10 amino acid signature sequence that readily allows identification of these proteins in sequence databases. Two representations of the Hsp90 signature sequence are shown here. Y-x-[NQHD]-[KHR]-[DE]-[IVA]-F-[LM]-R-[ED]. 4 YSNKE/FLRE 3. 7. 1 1 2 3 4 5 6 7 8 9 10 C Bits
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