Literature DB >> 6403944

Component A of the methyl coenzyme M methylreductase system of Methanobacterium: resolution into four components.

D P Nagle, R S Wolfe.   

Abstract

Component A, the oxygen-sensitive protein fraction of the methyl coenzyme M methylreductase system of Methanobacterium thermoautotrophicum, has been stabilized and resolved into three protein fractions and one cofactor that are required to reconstitute component A activity. Component A1 is oxygen-stable and contains hydrogen-dependent deazaflavin (coenzyme F420)-reducing activity. Component A2 is acidic; components A2 and A3 are oxygen sensitive. The specific functions of each component in methyl group reduction are unknown. Resolution of component A revealed a new cofactor requirement of the methylreductase system for FAD. Hydrogen-dependent reduction of methyl coenzyme M to methane and coenzyme M, the terminal step of CO2 reduction by methanogenic bacteria, requires protein components A1, A2, A3, and C in addition to component B, FAD, ATP, and Mg2+.

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Year:  1983        PMID： 6403944      PMCID： PMC393775          DOI： 10.1073/pnas.80.8.2151

Source DB:  PubMed          Journal:  Proc Natl Acad Sci U S A        ISSN： 0027-8424            Impact factor:   11.205


  16 in total

1.  Solubilization and properties of a particulate hydrogenase from Methanobacterium strain G2R.

Authors:  R C McKellar; G D Sprott
Journal:  J Bacteriol       Date:  1979-07       Impact factor: 3.490

2.  Preparation, characterization, and chemical properties of the flavin coenzyme analogues 5-deazariboflavin, 5-deazariboflavin 5'-phosphate, and 5-deazariboflavin 5'-diphosphate, 5'leads to5'-adenosine ester.

Authors:  R Spencer; J Fisher; C Walsh
Journal:  Biochemistry       Date:  1976-03-09       Impact factor: 3.162

Review 3.  Methanogens: reevaluation of a unique biological group.

Authors:  W E Balch; G E Fox; L J Magrum; C R Woese; R S Wolfe
Journal:  Microbiol Rev       Date:  1979-06

4.  Isolation and properties of a fluorescent compound, factor 420 , from Methanobacterium strain M.o.H.

Authors:  P Cheeseman; A Toms-Wood; R S Wolfe
Journal:  J Bacteriol       Date:  1972-10       Impact factor: 3.490

5.  A procedure for anaerobic column chromatography employing an anaerobic Freter-type chamber.

Authors:  R P Gunsalus; S M Tandon; R S Wolfe
Journal:  Anal Biochem       Date:  1980-01-15       Impact factor: 3.365

6.  Role of component C in the methylreductase system of Methanobacterium.

Authors:  W L Ellefson; R S Wolfe
Journal:  J Biol Chem       Date:  1980-09-25       Impact factor: 5.157

7.  Preparation of coenzyme M analogues and their activity in the methyl coenzyme M reductase system of Methanobacterium thermoautotrophicum.

Authors:  R P Gunsalus; J A Romesser; R S Wolfe
Journal:  Biochemistry       Date:  1978-06-13       Impact factor: 3.162

8.  Hydrogen ion buffers for biological research.

Authors:  N E Good; G D Winget; W Winter; T N Connolly; S Izawa; R M Singh
Journal:  Biochemistry       Date:  1966-02       Impact factor: 3.162

9.  Methyl coenzyme M reductase from Methanobacterium thermoautotrophicum. Resolution and properties of the components.

Authors:  R P Gunsalus; R S Wolfe
Journal:  J Biol Chem       Date:  1980-03-10       Impact factor: 5.157

10.  Distribution of coenzyme F420 and properties of its hydrolytic fragments.

Authors:  L D Eirich; G D Vogels; R S Wolfe
Journal:  J Bacteriol       Date:  1979-10       Impact factor: 3.490
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  30 in total

1.  Purification and properties of methyl coenzyme M methylreductase from acetate-grown Methanosarcina thermophila.

Authors:  P E Jablonski; J G Ferry
Journal:  J Bacteriol       Date:  1991-04       Impact factor: 3.490

2.  Inhibition by corrins of the ATP-dependent activation and CO2 reduction by the methylreductase system in Methanobacterium bryantii.

Authors:  W B Whitman; R S Wolfe
Journal:  J Bacteriol       Date:  1987-01       Impact factor: 3.490

3.  The role of tetrahydromethanopterin and cytoplasmic cofactor in methane synthesis.

Authors:  F D Sauer; B A Blackwell; S Mahadevan
Journal:  Biochem J       Date:  1986-04-15       Impact factor: 3.857

Review 4.  Sodium, protons, and energy coupling in the methanogenic bacteria.

Authors:  J R Lancaster
Journal:  J Bioenerg Biomembr       Date:  1989-12       Impact factor: 2.945

Review 5.  Nickel utilization by microorganisms.

Authors:  R P Hausinger
Journal:  Microbiol Rev       Date:  1987-03

Review 6.  Methanogens and the diversity of archaebacteria.

Authors:  W J Jones; D P Nagle; W B Whitman
Journal:  Microbiol Rev       Date:  1987-03

7.  Formaldehyde oxidation and methanogenesis.

Authors:  J C Escalante-Semerena; R S Wolfe
Journal:  J Bacteriol       Date:  1984-05       Impact factor: 3.490

8.  Component A2 of methylcoenzyme M reductase system from Methanobacterium thermoautotrophicum delta H: nucleotide sequence and functional expression by Escherichia coli.

Authors:  C H Kuhner; B D Lindenbach; R S Wolfe
Journal:  J Bacteriol       Date:  1993-05       Impact factor: 3.490

9.  Reconstitution and properties of a coenzyme F420-mediated formate hydrogenlyase system in Methanobacterium formicicum.

Authors:  S F Baron; J G Ferry
Journal:  J Bacteriol       Date:  1989-07       Impact factor: 3.490

10.  A simplified methylcoenzyme M methylreductase assay with artificial electron donors and different preparations of component C from Methanobacterium thermoautotrophicum delta H.

Authors:  P L Hartzell; J C Escalante-Semerena; T A Bobik; R S Wolfe
Journal:  J Bacteriol       Date:  1988-06       Impact factor: 3.490
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