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2.1.1.13: methionine synthase

This is an abbreviated version!
For detailed information about methionine synthase, go to the full flat file.

Word Map on EC 2.1.1.13

Reaction

5-methyltetrahydrofolate
+
L-homocysteine
=
tetrahydrofolate
+
L-methionine

Synonyms

5-methyltetrahydrofolate homocysteine methyltransferase, 5-methyltetrahydrofolate-homocysteine methyltransferase, 5-methyltetrahydrofolate-homocysteine S-methyltransferase, 5-methyltetrahydrofolate-homocysteine transmethylase, B12 N5-methyltetrahydrofolate homocysteine methyltransferase, B12-dependent methionine synthase, cobalamin-dependent methionine synthase, folate-dependent methionine synthase, Met6p, MetH, methionine synthase, methionine synthetase, methyltetrahydrofolate-homocysteine vitamin B12 methyltransferase, methyltransferase, methyltetrahydrofolate-homocysteine, MetS, MS, MS1, MTR, N-methyltetrahydrofolate:L-homocysteine methyltransferase, N5-methyltetrahydrofolate methyltransferase, N5-methyltetrahydrofolate-homocysteine cobalamin methyltransferase, N5-methyltetrahydrofolic-homocysteine vitamin B12 transmethylase, tetrahydrofolate methyltransferase, tetrahydropteroylglutamate methyltransferase, tetrahydropteroylglutamic methyltransferase, vitamin B12 methyltransferase

ECTree

     2 Transferases
         2.1 Transferring one-carbon groups
             2.1.1 Methyltransferases
                2.1.1.13 methionine synthase

Storage Stability

Storage Stability on EC 2.1.1.13 - methionine synthase

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STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
-20°C, 15-20 mg/ml protein, stable for at least 1 month
-
-20°C, ammonium sulfate paste containing homocysteine
-
-80°C, methylated enzyme
-
0°C, glutathione, N2-atmosphere, stable for at least a week
-
0°C, pH 7, half-life 6 days
-
4°C, 20% loss of activity after 2 weeks
-
freeze-dried, 20% loss of activity after 3 months
-