Chemistry

Chemistry, 23.08.2019 16:50, tatyananannanana

all amino acids have two ionizable groups (an alpha-amino group with pka~9.3, and an alpha-carboxyl group with pka~2.2). lysine also has an ionizable side-chain (r) with a pka of 10.5. what percentage of the lysine side chain is deprotonated at ph 11.5?
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0.099%
9.1%
0.99%
90.9%

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