medium · MCAT bio-biochem
Aspartic acid is an acidic amino acid with three pK_a values: 2.1 (α-carboxyl), 3.9 (R-group carboxyl), and 9.8 (α-amino).
What is the calculated isoelectric point (pI) of aspartic acid?
- 3.0
- 6.85
- 5.3
- 6.0
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