Choline monooxygenase, an unusual iron-sulfur enzyme catalyzing the first step of glycine betaine synthesis in plants: prosthetic group characterization and cDNA cloning.
Proc Natl Acad Sci U S A. 1997 Apr 1;94(7):3454-8. doi: 10.1073/pnas.94.7.3454.
Proc Natl Acad Sci U S A. 1997.
PMID: 9096415
Free PMC article.