Rabbit anti-L-Alanine polyclonal antibody for IHC-FoFr, ICC, IHC-Fr, IM. Alanine (abbreviated as Ala or A) is an ?-amino acid with the chemical formula CH3CH(NH2)COOH. The L-isomer is one of the 20 amino acids encoded by the genetic code. Its codons are GCU, GCC, GCA, and GCG. It is classified as a nonpolar amino acid. L-Alani