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Information on EC 2.1.1.B117 - methylentetrahydrofolate-tRNA-(uracil1939-C5)-methyltransferase (FADH2-oxidizing)
for references in articles please use BRENDA:EC2.1.1.B117
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preliminary BRENDA-supplied EC number
EC Tree 2 Transferases
2.1 Transferring one-carbon groups
2.1.1 Methyltransferases
2.1.1.B117 methylentetrahydrofolate-tRNA-(uracil1939-C5)-methyltransferase (FADH2-oxidizing)
The enzyme appears in viruses and cellular organisms
Reaction Schemes
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uracil1939 in 23S rRNA
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5-methyluracil1939 in 23S rRNA
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Synonyms
Mcap0476, TrmFO 1, more
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REACTION 
REACTION DIAGRAM
COMMENTARY 
ORGANISM
UNIPROT
LITERATURE
5,10-methylentetrahydrofolate + uracil1939 in 23S rRNA + FADH2 = tetrahydrofolate + 5-methyluracil1939 in 23S rRNA + FAD
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Highest Expressing Human Cell Lines
Cell Line Links
EXTERNAL LINKS (specific for EC-Number 2.1.1.B117)
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Release 2026.1 (March 2026)
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