Biochem J. 1981 Dec 1;199(3):657-65. doi: 10.1042/bj1990657.
Regulation of aromatic amino acid biosynthesis in Bacillus subtilis 168. Purification, characterization, and subunit structure of the bifunctional enzyme 3-deoxy-D-arabinoheptulosonate 7-phosphate synthetase-chorismate mutase.