The molecule is an amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of S-[(2E,6E)]-farnesyl-L-cysteine; major species at pH 7.3. It is an amino acid zwitterion and a S-polyprenyl-L-cysteine zwitterion. It is a tautomer of a S-[(2E,6E)-farnesyl]-L-cysteine.
(2R)-2-azaniumyl-3-[(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trienyl]sulfanylpropanoate