The Enzyme Database

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EC 2.7.1.180     
Accepted name: FAD:protein FMN transferase
Reaction: FAD + [protein]-L-threonine = [protein]-FMN-L-threonine + AMP
Glossary: FMN = flavin mononucleotide = riboflavin-5′-phosphate
Other name(s): flavin transferase; apbE (gene name)
Systematic name: FAD:protein riboflavin-5′-phosphate transferase
Comments: The enzyme catalyses the transfer of the FMN portion of FAD and its covalent binding to the hydroxyl group of an L-threonine residue in a target flavin-binding protein such as the B and C subunits of EC 1.6.5.8, NADH:ubiquinone reductase (Na+-transporting). Requires Mg2+.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Bertsova, Y.V., Fadeeva, M.S., Kostyrko, V.A., Serebryakova, M.V., Baykov, A.A. and Bogachev, A.V. Alternative pyrimidine biosynthesis protein ApbE is a flavin transferase catalyzing covalent attachment of FMN to a threonine residue in bacterial flavoproteins. J. Biol. Chem. 288 (2013) 14276–14286. [PMID: 23558683]
[EC 2.7.1.180 created 2013]
 
 


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