Methyltransferases involved in methanol conversion by Methanosarcina barkeri

Abstract 2-(Methylthio)ethanesulfonate (CH3S-CoM) is formed as an intermediate in methanogenesis from methanol by cell-free extracts of Methanosarcina barkeri. The enzyme system involved in the methyltransfer from methanol to 2-mercaptoethanesulfonate (HS-CoM) was resolved into two enzyme fractions.... Ausführliche Beschreibung

1. Person: Meijden, Peter
Weitere Personen: Heythuysen, Henk J.; Pouwels, Aloys; Houwen, Frans; Drift, Chris; Vogels, Godfried D.
Quelle: in Archives of microbiology Vol. 134 (1983), p. 238-242
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Format: Online-Artikel
Genre: Methanosarcina barkeri, Methanol conversion to methane, Methanol: cobalamin methyltransferase, Methylcobalamin: coenzyme M methyltransferase
Sprache: English
Veröffentlicht: 1983
Beschreibung: Online-Ressource
Online Zugang: Online
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Anmerkung: Copyright: Copyright 1983 Springer-Verlag
Zusammenfassung: Abstract 2-(Methylthio)ethanesulfonate (CH3S-CoM) is formed as an intermediate in methanogenesis from methanol by cell-free extracts of Methanosarcina barkeri. The enzyme system involved in the methyltransfer from methanol to 2-mercaptoethanesulfonate (HS-CoM) was resolved into two enzyme fractions. One enzyme (methanol: 5-hydroxybenzimidazolylcobamide methyltransferase) appears to be a cobalamin-containing protein, which is oxygen sensitive. The other enzyme (Co-methyl-5-hydroxybenzimidazolylcobamide: HS-CoM methyltransferase) was purified. It is insensitive to oxygen and it transfers also the methylgroup from Co-methyl-5,6-dimethylbenzimidazolylcobamide to HS-CoM.
ISSN: 1432-072X

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