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. In the table below are four possibilities for what R₁ and R2 might be. In each case, decide whether a specific interaction could form between the residues. If a specific interaction could form, give the name of the interaction. R₁ R₂ specific interaction? name of specific interaction x yes alanine valine O no isoleucine asparagine ○ yes O no yes lysine glutamate ☐ O no yes threonine asparagine O no

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter24: Biochemistry
Section24.1: Proteins
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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.
In the table below are four possibilities for what R₁ and R2 might be. In each case, decide whether a specific interaction could form between the
residues. If a specific interaction could form, give the name of the interaction.
R₁
R₂
specific
interaction?
name of specific
interaction
x
yes
alanine
valine
O no
isoleucine
asparagine
○ yes
O no
yes
lysine
glutamate
☐
O no
yes
threonine
asparagine
O no
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. In the table below are four possibilities for what R₁ and R2 might be. In each case, decide whether a specific interaction could form between the residues. If a specific interaction could form, give the name of the interaction. R₁ R₂ specific interaction? name of specific interaction x yes alanine valine O no isoleucine asparagine ○ yes O no yes lysine glutamate ☐ O no yes threonine asparagine O no
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