The Enzyme Database

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Accepted name: tetrahydrosarcinapterin synthase
Reaction: ATP + tetrahydromethanopterin + L-glutamate = ADP + phosphate + 5,6,7,8-tetrahydrosarcinapterin
For diagram of methanopterin biosynthesis (part 4), click here
Other name(s): H4MPT:α-L-glutamate ligase; MJ0620; MptN protein
Systematic name: tetrahydromethanopterin:α-L-glutamate ligase (ADP-forming)
Comments: This enzyme catalyses the biosynthesis of 5,6,7,8-tetrahydrosarcinapterin, a modified form of tetrahydromethanopterin found in the Methanosarcinales. It does not require K+, and does not discriminate between ATP and GTP [1].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Li, H., Xu, H., Graham, D.E. and White, R.H. Glutathione synthetase homologs encode α-L-glutamate ligases for methanogenic coenzyme F420 and tetrahydrosarcinapterin biosyntheses. Proc. Natl. Acad. Sci. USA 100 (2003) 9785–9790. [DOI] [PMID: 12909715]
[EC created 2010]

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