Macmillan Learning Consider the structure of methionine in its +1 charge state. H₂N- _ƒ_ƒ_„_€ O -OH Give the pK, value for the a-amino group of methionine. An answer within 10.5 units is acceptable. Give the pK, value for the a-carboxyl group of methionine. An answer within ±0.5 units is acceptable. K Determine the isoelectric point (pl) for methionine. Give your two decimal places. pK, (−NH ) = PK₁ (-COOH) = pl = 5.74 2.28 Incorrect 9.21 Incorrect Atter
Macmillan Learning Consider the structure of methionine in its +1 charge state. H₂N- _ƒ_ƒ_„_€ O -OH Give the pK, value for the a-amino group of methionine. An answer within 10.5 units is acceptable. Give the pK, value for the a-carboxyl group of methionine. An answer within ±0.5 units is acceptable. K Determine the isoelectric point (pl) for methionine. Give your two decimal places. pK, (−NH ) = PK₁ (-COOH) = pl = 5.74 2.28 Incorrect 9.21 Incorrect Atter
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
Related questions
Question

Transcribed Image Text:Macmillan Learning
Consider the structure of methionine in its +1 charge state.
H₂N
CH₂
CH₂
CH3
-OH
Give the pK, value for the a-amino group of methionine. An
answer within ±0.5 units is acceptable.
Give the pK, value for the a-carboxyl group of methionine.
An answer within +0.5 units is acceptable.
Determine the isoelectric point (pl) for methionine. Give your
answer to two decimal places.
pK (−NH ) =
pK₂ (-COOH) =
pl =
5.74
2.28
Incorrect
9.21
Incorrect
Attempt
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