The molecule is a N(6)-acyl-L-lysine having (2R,3R)-3-methyl-3,4-dihydro-2H-pyrrol-2-ylcarbonyl as the N(6)-acyl group. It is a proteinogenic amino acid, a N(6)-acyl-L-lysine and a pyrrolysine. It is a conjugate base of a L-pyrrolysinium. It is a tautomer of a L-pyrrolysine zwitterion.
(2S)-2-amino-6-[[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrole-2-carbonyl]amino]hexanoic acid