preferred_name: "PqqA peptide cyclase"
preferred_name_lc: "pqqa peptide cyclase"
label: [PQQ precursor protein] + S-adenosyl-L-methionine = E-Y cross-linked-[PQQ precursor protein] + 5'-deoxyadenosine + L-methionine + H(+)
label_lc: [pqq precursor protein] + s-adenosyl-l-methionine = e-y cross-linked-[pqq precursor protein] + 5'-deoxyadenosine + l-methionine + h(+)