Imagine the main chain of a protein bends back on itself, so that two amino acid residues R₁ and R2 come close to each other. Here's what R₁ looks like: -CH- HO CH CH3 Could R₁ form a hydrogen bond with R₂ at physiological pH, if R₂ were the right kind of residue? If you said R₁ could form a hydrogen bond with R2, what would R₂ have to be? If there's only one possibility, write its 3-letter code. If there is more than one possibility, write the 3-letter code of any of them. yes X © no G

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter22: Proteins
Section: Chapter Questions
Problem 22.67P
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Imagine the main chain of a protein bends back on itself, so that two amino acid residues R₁ and R2 come close to each other. Here's what R₁ looks like:
-CH-
HO
CH
CH3
Could R₁ form a hydrogen bond with R₂ at physiological pH, if R₂ were the right kind of residue?
If you said R₁ could form a hydrogen bond with R2, what would R₂ have to be?
If there's only one possibility, write its 3-letter code. If there is more than one possibility, write the
3-letter code of any of them.
yes
X
© no
G
Transcribed Image Text:Imagine the main chain of a protein bends back on itself, so that two amino acid residues R₁ and R2 come close to each other. Here's what R₁ looks like: -CH- HO CH CH3 Could R₁ form a hydrogen bond with R₂ at physiological pH, if R₂ were the right kind of residue? If you said R₁ could form a hydrogen bond with R2, what would R₂ have to be? If there's only one possibility, write its 3-letter code. If there is more than one possibility, write the 3-letter code of any of them. yes X © no G
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