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2.5.1.9: riboflavin synthase

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

Word Map on EC 2.5.1.9

Reaction

2 6,7-dimethyl-8-(1-D-ribityl)lumazine =

riboflavin
+
4-(1-D-ribitylamino)-5-amino-2,6-dihydroxypyrimidine

Synonyms

heavy riboflavin synthase, light riboflavin synthase, lumazine synthase/riboflavin synthase complex, RibD, RibE1, riboflavin synthase, riboflavin synthetase, riboflavine synthase, riboflavine synthetase, synthase, riboflavin

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.9 riboflavin synthase

Specific Activity

Specific Activity on EC 2.5.1.9 - riboflavin synthase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.00025
-
partially purified enzyme
0.0014
-
partially purified enzyme
0.002
purified recombinant enzyme, in absence of divalent cations
0.011
0.021
-
with substrate compound Q, a dimer of the pentameric reaction intermediate
0.024
purified recombinant enzyme, in presence of divalent cations
0.027
0.032
0.033
-
heavy enzyme
0.045
0.052
-
purified enzyme
0.16
-
purified enzyme
0.266
-
purified enzyme
0.5
-
light enzyme
0.833
-
light enzyme
1.2 - 2.8
-
partially purified enzyme
158
purified recombinant wild-type enzyme
179
purified recombinant mutant S146C
183
purified recombinant mutant S146A
27
purified recombinant mutant C48S
additional information