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2.1.1.90: methanol-corrinoid protein Co-methyltransferase

This is an abbreviated version!
For detailed information about methanol-corrinoid protein Co-methyltransferase, go to the full flat file.

Word Map on EC 2.1.1.90

Reaction

methanol
+
a [Co(I) methanol-specific corrinoid protein]
=
a [methyl-Co(III) methanol-specific corrinoid protein]
+
H2O

Synonyms

Cob(I)alamin methyltransferase, methanol cobalamin methyltransferase, methanol-5-hydroxybenzimidazolylcobamide Co-methyltransferase, methanol-coenzyme M-methyltransferase complex, methanol:5-hydroxy-benzimidazolylcobamide methyltransferase, methanol:5-hydroxybenzimidazolylcobamide methyltransferase, methanol:coenzyme M methyltransferase, methanol:CoM methyltransferase complex, methyltransferase, methanol-cobalamin, MMPA:cob(I)alamin methyltransferase, MT 1, MT1, MtaABC, MtaB, MtpA

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.90 methanol-corrinoid protein Co-methyltransferase

Metals Ions

Metals Ions on EC 2.1.1.90 - methanol-corrinoid protein Co-methyltransferase

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METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Ba2+
metal-free enzyme preparation has no activity, addition of Ba2+ restores 27% of the original activity
Ca2+
metal-free enzyme preparation has no activity, addition of Ca2+ restores 35% of the original activity
Co2+
metal-free enzyme preparation has no activity, addition of Co+ restores 46% of the original activity
Cobalt
-
the enzyme only binds the methyl group of methanol when the cobalt atom of its corrinoid prosthetic groups is present in the highly reduced Co(I) state. Formation of this redox state requires H2, hydrogenase, methyltransferase activation protein, and ATP
Iron
-
presence of 1.7 mol of non-heme iron per mol of enzyme
Mn2+
metal-free enzyme preparation has no activity, addition of Mn2+ restores 27% of the original activity
Ni2+
metal-free enzyme preparation has no activity, addition of Ni2+ restores 21% of the original activity
Sr2+
metal-free enzyme preparation has no activity, addition of Sr2+ restores 20% of the original activity
Zinc
dependent on