20 Common Amino acids You should know names, structures, pka values, 3-letter and -letter codes Non-polar amino acids Polar, uncharged amino acids Acidic amino acids Basic amino acids
20 Common Amino Acids You should know names, structures, pKa values, 3-letter and 1-letter codes • Non-polar amino acids • Polar, uncharged amino acids • Acidic amino acids • Basic amino acids
Non-polar amino acids COOH CH Alanine(Ala, A) COOH HSN-C--H CH CH Valine (Val, V)
•Non-polar amino acids
COOH H.NtC-H CH CH Leucine (Leu, L) COoH H,N-C-l HC-C-H CH, Isoleucine (lle, 1)
COOH 时N-C-H H,C CH CHe Proline (Pro, P) COOH HeN'-C-H CH Phenylalanine (Phe, F
COoH H.NT-C-H CH CH Tryptophan (Trp, w) COoH H3N′-C-H CH CH Methionine (MeL. M)