| SYMBOL | AMINO ACID | STRUCTURE | FORMULA | MOL WT | MW-H2O | | βAla | β-Alanine |  | C3H7NO2 | 89.09 | 71.07 | | Ala, A | Alanine |  | C3H7NO2 | 89.09 | 71.07 | | Aad | Aminoadipic acid |  | C6H11NO4 | 161.16 | 143.14 | | Abu | 2-Aminobutyric acid |  | C4H9NO2 | 103.12 | 85.10 | | 4-Abz | 4-Aminobenzoic acid |  | C7H7NO2 | 137.14 | 119.10 | | γAbu | 4-Aminobutyric acid |  | C4H9NO2 | 103.12 | 85.10 | | ЄAhx | 6-Aminocaproic acid |  | C6H13NO2 | 131.17 | 113.15 | | Aib | α-Aminoisobutyric acid |  | C4H9NO2 | 103.12 | 85.10 | | Ach | 1-aminocyclohexane-1-carboxylic acid |  | C7H13NO2 | 143.18 | 125.16 | | Acpe | 1-aminocycropentane-1-carboxylic acid |  | C6H11NO2 | 129.16 | 111.14 | | Acpe | 1-aminocycropentane-1-carboxylic acid |  | C6H11NO2 | 129.16 | 111.14 | | Acpp | 1-aminocycropropane-1-carboxylic acid |  | C4H7NO2 | 101.10 | 83.08 | | Phe(4-NH2) | 4-Aminophenylalanine |  | C9H12N2O2 | 180.20 | 162.18 | | Asu | α-Aminosuberic acid |  | C8H15NO4 | 189.21 | 171.19 | | Arg, R | Arginine |  | C6H12N4O2 | 174.20 | 156.18 | | Asn, N | Asparagine |  | C4H8N2O3 | 132.12 | 114.10 | | Asp, D | Aspartic Acid |  | C4H7NO4 | 133.10 | 115.08 | | Bpa | 4-Benzoylphenylalanine |  | C16H15NO3 | 269.30 | 251.28 | | Bip | 4,4’-Biphenylalanine |  | C15H15NO2 | 241.29 | 233.27 | | tBuAla | β-t-Butylalanine |  | C7H15NO2 | 145.20 | 127.18 | | Tle | 2-t-Butylglycine |  | C6H13NO2 | 131.17 | 113.15 | | Phe(pCl) | 4-Chlorophenylalanine |  | C9H10CINO2 | 199.63 | 181.63 | | Cit | Citrulline |  | C6H13N3O3 | 175.19 | 157.17 | | Cha | β-Cycrohexylalanine |  | C9H17NO2 | 171.24 | 153.22 | | Chg | α-Cycrohexylglycine |  | C8H15NO2 | 157.21 | 139.19 | | Cpa | β-Cycropentylalanine |  | C8H15NO2 | 157.21 | 139.19 | | Cpg | Cyclopentylglycine |  | C7H13NO2 | 143.18 | 125.16 | | Cpr | β-Cycropropylalanine |  | C6H11NO2 | 129.16 | 111.14 | | Cys, C | Cysteine |  | C3H7NO2S | 121.16 | 103.14 | | Δ-Pro | 3,4-Dehydroproline |  | C5H7NO2 | 113.11 | 95.09 | | Dab | α,r-Diaminobutyric acid |  | C4H10N2O2 | 118.13 | 100.11 | | Dap | α, β-Diaminopropionic acid |  | C3H8N2O2 | 104.11 | 86.09 | | Deg | Diethylglycine |  | C6H13NO2 | 131.17 | 113.15 | | Dmt | 2’,6’-Dimethyltyrosine |  | C11H15NO3 | 209.24 | 191.22 | | Tyr(3,5-di-l) | 3,5-Diiodotyrosine |  | C9H9I2NO3 | 432.98 | 414.96 | | Dpa | 3,3-Diphenylalanine |  | C15H15I2NO3 | 432.98 | 223.27 | | Phe(4-Fl) | 3,3-Diphenylalanine |  | C9H10FNO3 | 183.18 | 223.27 | | Glu, E | Glutamic acid |  | C5H9NO4 | 147.13 | 129.11 | | Gln, Q | Glutamine |  | C5H10N2O3 | 146.14 | 128.12 | | Gly, G | Glycine |  | C2H5NO2 | 75.07 | 57.05 | | His, H | Histidine |  | C6H9N3O2 | 155.15 | 137.13 | | Hci | Homocitrulline |  | C7H15N3O3 | 189.21 | 171.19 | | Hcy | Homocysteine |  | C4H9NO2S | 135.19 | 117.17 | | Hle | Homoleucine |  | C7H15NO2 | 145.20 | 127.18 | | Hph | Homophenylalanine |  | C10H13NO2 | 179.22 | 161.20 | | Hpr | Homoproline |  | C6H11NO2 | 129.16 | 111.14 | | hSer | Hmoserine |  | C4H9NO3 | 119.12 | 101.10 | | Hyp | Hydroxyprorine |  | C5H9NO3 | 131.13 | 113.11 | | Trp(5-OH) | 5-Hydroxytryptophan |  | C11H12N2O3 | 220.22 | 202.20 | | Igl | Indanylglycine |  | C11H13NO2 | 191.23 | 173.21 | | allo-Ile | Allo-Isoleucine |  | C6H13NO2 | 131.17 | 113.15 | | Ile, I | Isoleucine |  | C6H13NO2 | 131.17 | 113.15 | | Leu, L | Leucine |  | C6H13NO2 | 131.17 | 113.15 | | Lys, K | Lysine |  | C6H12N2O2 | 146.19 | 128.17 | | Met, M | Methionine |  | C5H11NO2S | 149.21 | 131.19 | | α-Me-Leu | α-Methylleucine |  | C7H15NO2S | 145.20 | 127.18 | | Phe(4-Me) | 4-Methylphenylalanine |  | C10H13NO2 | 179.22 | 161.20 | | α-Me-Phe | α-Methylphenylalanine |  | C10H13NO2 | 179.22 | 161.20 | | Ala(2-naphthyl) | 3-(2-Naphthyl)-alanine |  | C13H13NO2 | 215.25 | 197.23 | | Phe(4-NO2) | 4-Nitrophenylalanine |  | C9H10N4O2 | 210.19 | 192.17 | | Nle | Norleucine |  | C6H13NO2 | 131.17 | 113.15 | | Nva | Norvaline |  | C5H11NO2 | 117.15 | 99.13 | | Oic | Octahydroindole-2-carboxylic acid |  | C9H15NO2 | 169.22 | 151.20 | | Orn | Ornithine |  | C5H12N2O2 | 132.16 | 114.14 | | Pen | Penicillamine |  | C5H11N2O2S | 149.21 | 131.19 | | Phe, F | Phenylalanine |  | C9H11N2O2 | 165.19 | 147.17 | | Phg | Phenylglycine |  | C8H9NO2 | 151.16 | 133.14 | | Pro, P | Proline |  | C5H9NO2 | 151.13 | 97.11 | | Pra | Propargylglycine |  | C5H7NO2 | 113.11 | 95.09 | | Ala(2’-pyridyl) | 3-(2’-Pyridyl)-alanine |  | C8H10N2O2 | 166.18 | 148.16 | | Pyr, Glp | Pyroglutamine |  | C5H7NO3 | 129.11 | 111.09 | | Ala(2’-quinoyl) | 3-(2’-Quinoyl)-alanine |  | C12H12N2O2 | 216.24 | 198.22 | | Sar | Sarcosine |  | C3H7NO2 | 89.09 | 71.07 | | Ser, S | Serine |  | C3H7NO3 | 105.09 | 87.07 | | Sta | Statine |  | C8H17NO3 | 175.23 | 157.21 | | Tic | 1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid |  | C10H11NO2 | 177.20 | 159.18 | | Tpi | 1,2,3,4-Tetrahydronorhorman-3-carboxylic acid |  | C12H12N2O2 | 216.24 | 198.22 | | Thz | Thiaproline |  | C4H7NO2S | 133.17 | 115.15 | | Thi | β-(2-Thienyl)alanine |  | C7H9NO2S | 171.22 | 153.20 | | Thr, T | Threonine |  | C4H9NO2S | 119.12 | 101.10 | | Trp, W | Tryptophan |  | C11H12N2O2 | 204.23 | 186.21 | | Tyr, Y | Tyrosine |  | C9H11NO3 | 181.19 | 163.17 | | Val, V | Valine |  | C5H11NO2 | 117.15 | 99.13 | |