The Enzyme Database

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Accepted name: coenzyme F420-1:γ-L-glutamate ligase
Reaction: GTP + coenzyme F420-1 + L-glutamate = GDP + phosphate + coenzyme γ-F420-2
For diagram of coenzyme F420 biosynthesis, click here
Glossary: coenzyme F420 = N-(N-{O-[5-(8-hydroxy-2,4-dioxo-2,3,4,10-tetrahydropyrimido[4,5-b]quinolin-10-yl)-5-deoxy-L-ribityl-1-phospho]-(S)-lactyl}-γ-L-glutamyl)-L-glutamate
Other name(s): F420:γ-glutamyl ligase; CofE-AF; MJ0768; CofE
Systematic name: L-glutamate:coenzyme F420-1 ligase (GDP-forming)
Comments: This protein catalyses the successive addition of two glutamate residues to factor 420 (coenzyme F420) by two distinct and independent reactions. In the first reaction (EC, coenzyme F420-0:L-glutamate ligase) the enzyme attaches a glutamate via its α-amine group to F420-0. In the second reaction, which is described here, the enzyme catalyses the addition of a second L-glutamate residue to the γ-carboxyl of the first glutamate.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Li, H., Graupner, M., Xu, H. and White, R.H. CofE catalyzes the addition of two glutamates to F420-0 in F420 coenzyme biosynthesis in Methanococcus jannaschii. Biochemistry 42 (2003) 9771–9778. [DOI] [PMID: 12911320]
2.  Nocek, B., Evdokimova, E., Proudfoot, M., Kudritska, M., Grochowski, L.L., White, R.H., Savchenko, A., Yakunin, A.F., Edwards, A. and Joachimiak, A. Structure of an amide bond forming F420:γ-glutamyl ligase from Archaeoglobus fulgidus — a member of a new family of non-ribosomal peptide synthases. J. Mol. Biol. 372 (2007) 456–469. [DOI] [PMID: 17669425]
[EC created 2010, modified 2023]

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