if-the-calculated-isoelectric-point-for-an-amino-acid-is-55-but-the-known-value-

Question

If the calculated isoelectric point for an amino acid is 5.5, but the known value is 5.7, what might be the reason for the discrepancy?

Accepted Answer

Incorrect averaging of pKa values.

Answer

Incorrect determination of net charge.

Answer

Incorrect ordering of pKa values.

Answer

Incorrect identification of the amino acid.