Generic α-amino acid: H₂N-CHR-COOH, with 20 canonical side chains R used in ribosomally-translated proteins. Zwitterionic at physiological pH. Handoff node into L3 biochemistry.
Amino acid
Related concepts
- Amine (-NR₂)
- Carboxylic acid (-COOH)
- Carbon (C, Z=6)
- Nitrogen (N, Z=7)
- Peptide bond
- Biological homochirality
- Shikimate pathway
- pI = ½(pKa1 + pKa2); glycine (2.34, 9.60) ⇒ pI = 5.97
- Glycine (Gly, G)
- Alanine (Ala, A)
- Valine (Val, V)
- Leucine (Leu, L)
- Isoleucine (Ile, I)
- Proline (Pro, P)
- Phenylalanine (Phe, F)
- Tyrosine (Tyr, Y)
- Tryptophan (Trp, W)
- Serine (Ser, S)
- Threonine (Thr, T)
- Cysteine (Cys, C)