4.2.99.20	702326	Catalytic mechanism of SHCHC synthase in the menaquinone biosynthesis of Escherichia coli: identification and mutational analysis of the active site residues	Biochemistry	48	6921-6931	2009	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=19545176&form=6&db=m	
4.2.99.20	730729	Crystal structures of E. coli native MenH and two active site mutants	PLoS ONE	8	e61325	2013	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=23637813&form=6&db=m	
4.2.99.20	714632	Exploiting the high-resolution crystal structure of Staphylococcus aureus MenH to gain insight into enzyme activity	BMC Struct. Biol.	11	19	2011	Staphylococcus aureus	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=21513522&form=6&db=m	
4.2.99.20	685225	Identification and characterization of (1R,6R)-2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase in the menaquinone biosynthesis of Escherichia coli	Biochemistry	47	3426-3434	2008	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18284213&form=6&db=m	
4.2.99.20	685086	Menaquinone biosynthesis in Escherichia coli: identification of 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate as a novel intermediate and re-evaluation of MenD activity	Biochemistry	46	10979-10989	2007	Escherichia coli K-12	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=17760421&form=6&db=m	
4.2.99.20	730042	Molecular basis of the general base catalysis of an alpha/beta-hydrolase catalytic triad	J. Biol. Chem.	289	15867-15879	2014	Escherichia coli	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=24737327&form=6&db=m