The average mass table combines the average masses of all amino acid residues (see below). Consult the monoisotopic mass table for the same table calculated with monoisotopic masses. Note: the average mass of a water molecule is 18.01528 Da.
A 71.0788 C 103.1388 D 115.0886 E 129.1155 F 147.1766 G 57.0519 H 137.1411 I 113.1594 K 128.1741 L 113.1594 M 131.1986 N 114.1039 P 97.1167 Q 128.1307 R 156.1875 S 87.0782 T 101.1051 V 99.1326 W 186.2132 Y 163.1760