how-do-the-ionizable-r-groups-of-amino-acids-like-arginine-and-aspartic-acid-aff

Question

How do the ionizable R groups of amino acids like arginine and aspartic acid affect the net charge of a peptide?

Accepted Answer

Arginine contributes a positive charge, while aspartic acid contributes a negative charge.

Answer

Both contribute positive charges.

Answer

Arginine contributes a negative charge, while aspartic acid contributes a positive charge.

Answer

Both contribute negative charges.