15N and 13C NMR studies of ligands bound to the 280,000-dalton protein porphobilinogen synthase elucidate the structures of enzyme-bound product and a Schiff base intermediate.
Biochemistry. 1990 Sep 11;29(36):8345-50. doi: 10.1021/bi00488a021.
Biochemistry. 1990.
PMID: 2252894