Symbol Name Residue Composition Monoisotopic Residue Mass Average Residue Mass
Ala A Alanine C3H5NO 71.03711 71.0788
Arg R Arginine C6H12N4O 156.10111 156.18748
Asn N Asparagine C4H6N2O2 114.04293 114.10384
Asp D Aspartic Acid C4H5NO3 115.02694 115.0886
Cys C Cysteine C3H5NOS 103.00919 103.1448
Glu E Glutamic Acid C5H7NO3 129.04259 129.11548
Gln Q Glutamine C5H8N2O2 128.05858 128.13072
Gly G Glycine C2H3NO 57.02146 57.05192
His H Histidine C6H7N3O 137.05891 137.14108
Ile I Isoleucine C6H11NO 113.08406 113.15944
Leu L Leucine C6H11NO 113.08406 113.15944
Lys K Lysine C6H12N2O 128.09496 128.17408
Met M Methionine C5H9NOS 131.04049 131.19856
Phe F Phenylalanine C9H9NO 147.06841 147.17656
Pro P Proline C5H7NO 97.05276 97.11668
Ser S Serine C3H5NO2 87.03203 87.0782
Thr T Threonine C4H7NO2 101.04768 101.10508
Trp W Tryptophan C11H10N2O 186.07931 186.2132
Tyr Y Tyrosine C9H9NO2 163.06333 163.17596
Val V Valine C5H9NO 99.06841 99.13256