The Enzyme Database

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Accepted name: 3-methyl-D-ornithine—L-lysine ligase
Reaction: ATP + (3R)-3-methyl-D-ornithine + L-lysine = ADP + phosphate + N6-[(3R)-3-methyl-D-ornithinyl]-L-lysine
Glossary: L-pyrrolysine = N6-{[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrol-2-yl]carbonyl}-L-lysine
Other name(s): N6-[(2R,3R)-3-methylornithyl]-L-lysine synthase; 3-methylornithine—L-lysine ligase; pylC (gene name)
Systematic name: (3R)-3-methyl-D-ornithine:L-lysine γ-ligase (ADP-forming)
Comments: The enzyme participates in the biosynthesis of L-pyrrolysine, a naturally occurring, genetically coded amino acid found in some methanogenic archaea and a few bacterial species. L-pyrrolysine is present in several methyltransferases that are involved in methyl transfer from methylated amine compounds to coenzyme M.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Gaston, M.A., Zhang, L., Green-Church, K.B. and Krzycki, J.A. The complete biosynthesis of the genetically encoded amino acid pyrrolysine from lysine. Nature 471 (2011) 647–650. [DOI] [PMID: 21455182]
2.  Cellitti, S.E., Ou, W., Chiu, H.P., Grunewald, J., Jones, D.H., Hao, X., Fan, Q., Quinn, L.L., Ng, K., Anfora, A.T., Lesley, S.A., Uno, T., Brock, A. and Geierstanger, B.H. D-Ornithine coopts pyrrolysine biosynthesis to make and insert pyrroline-carboxy-lysine. Nat. Chem. Biol. 7 (2011) 528–530. [DOI] [PMID: 21525873]
3.  Quitterer, F., List, A., Beck, P., Bacher, A. and Groll, M. Biosynthesis of the 22nd genetically encoded amino acid pyrrolysine: structure and reaction mechanism of PylC at 1.5A resolution. J. Mol. Biol. 424 (2012) 270–282. [DOI] [PMID: 22985965]
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