Escherichia coli K-12 substr. MG1655 EC

BioCyc ID: RXN-14461

EC Number:

Enzymes and Genes:

FAD:protein FMN transferaseInferred from experiment:

Reaction Locations:
periplasmic space

The reaction direction shown is in accordance with the direction in which it was curated.

Mass balance status: Balanced.

Enzyme Commission Primary Name:
FAD:protein FMN transferase

Enzyme Commission Synonyms:
flavin transferase,
apbE (gene name)

Standard Gibbs Free Energy (ΔrG‘°):
-140.9129 kcal/mol

Enzyme Commission Summary:

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, NADH:ubiquinone reductase (Na+-transporting). Requires Mg2+.


Gene-Reaction Schematic

Relationship Links:


Created in MetaCyc 26-Apr-2013 by
Caspi R,
SRI International

from MetaCyc [See Credit History in MetaCyc] 14-Dec-2015 by
Keseler I,
SRI International


Bertsova13: Bertsova YV, Fadeeva MS, Kostyrko VA, Serebryakova MV, Baykov AA, Bogachev AV (2013). “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(20);14276-86. PMID: 23558683

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Please cite the following article in publications resulting from the use of EcoCyc: Frontiers in Microbiology 2021

Page generated by Pathway Tools version 26.0 (software by SRI International) on Mon Jun 20, 2022, BIOCYC13.

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