The Enzyme Database

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Accepted name: coenzyme F420 hydrogenase
Reaction: H2 + oxidized coenzyme F420 = reduced coenzyme F420
For diagram of reaction, 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): 8-hydroxy-5-deazaflavin-reducing hydrogenase; F420-reducing hydrogenase; coenzyme F420-dependent hydrogenase
Systematic name: hydrogen:coenzyme F420 oxidoreductase
Comments: An iron-sulfur flavoprotein (FAD) containing nickel. The enzyme from some sources contains selenocysteine. The enzyme also reduces the riboflavin analogue of F420, flavins and methyl viologen, but to a lesser extent. The hydrogen acceptor coenzyme F420 is a deazaflavin derivative.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9027-05-8
1.  Adams, M.W.W., Mortenson, L.E. and Chen, J.-S. Hydrogenase. Biochim. Biophys. Acta 594 (1981) 105–176. [PMID: 6786341]
2.  Yamazaki, S. A selenium-containing hydrogenase from Methanococcus vannielii. Identification of the selenium moiety as a selenocysteine residue. J. Biol. Chem. 257 (1982) 7926–7929. [PMID: 6211447]
3.  Fox, J.A., Livingston, D.J., Orme-Johnson, W.H. and Walsh, C.T. 8-Hydroxy-5-deazaflavin-reducing hydrogenase from Methanobacterium thermoautotrophicum: 1. Purification and characterization. Biochemistry 26 (1987) 4219–4228. [PMID: 3663585]
4.  Muth, E., Morschel, E. and Klein, A. Purification and characterization of an 8-hydroxy-5-deazaflavin-reducing hydrogenase from the archaebacterium Methanococcus voltae. Eur. J. Biochem. 169 (1987) 571–577. [DOI] [PMID: 3121317]
5.  Baron, S.F. and Ferry, J.G. Purification and properties of the membrane-associated coenzyme F420-reducing hydrogenase from Methanobacterium formicicum. J. Bacteriol. 171 (1989) 3846–3853. [DOI] [PMID: 2738024]
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