2-[3-carboxylato-3-(trimethylammonio)propyl]-L-histidine residue
2-[3-carboxylato-3-(trimethylammonio)propyl]-l-histidine residue
An α-amino-acid residue derived from 2-[3-carboxylato-3-(trimethylammonio)propyl]-<small>L</small>-histidine.