preferred_name: L-histidyl-L-alpha-amino acid(out) => L-histidyl-L-alpha-amino acid(in)
preferred_name_lc: l-histidyl-l-alpha-amino acid(out) => l-histidyl-l-alpha-amino acid(in)
label: L-histidyl-L-alpha-amino acid(out) => L-histidyl-L-alpha-amino acid(in)
label_lc: l-histidyl-l-alpha-amino acid(out) => l-histidyl-l-alpha-amino acid(in)