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Methyltransferases Involved in Methanol Conversion by Methanosarcina Barkeri

Methyltransferases Involved in Methanol Conversion by Methanosarcina Barkeri

P van der Meijden, H J Heythuysen, A Pouwels, F Houwen, C van der Drift, G D Vogels

Arch Microbiol. 1983 Jun;134(3):238-42.

PMID: 6615129

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 methyl transfer from methanol to 2-mercaptoethanesulfonate (HS-CoM) was resolved into two enzyme fractions. One enzyme (methanol:5-hydroxy-benzimidazolylcobamide 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.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP1912283	Methyl ethanesulfonate		1912-28-3	Price

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