Protein Family Models

This is a flavin reductase family consisting of enzymes known to be flavin reductases as well as various oxidoreductase and monooxygenase components. VlmR is a flavin reductase that functions in a two-component enzyme system to provide isobutylamine N-hydroxylase with reduced flavin and may be involved in the synthesis of valanimycin [1]. SnaC is a flavin reductase that provides reduced flavin for the oxidation of pristinamycin IIB to pristinamycin IIA as catalysed by SnaA, SnaB heterodimer [2]. This flavin reductase region characterised by enzymes of the family is present in the C-terminus of potential FMN proteins from Synechocystis sp. suggesting it is a flavin reductase domain [1]. [1]. 7665509. Cloning and analysis of structural genes from Streptomyces pristinaespiralis encoding enzymes involved in the conversion of pristinamycin IIB to pristinamycin IIA (PIIA): PIIA synthase and NADH:riboflavin 5'-phosphate oxidoreductase. Blanc V, Lagneaux D, Didier P, Gil P, Lacroix P, Crouzet J;. J Bacteriol 1995;177:5206-5214. [2]. 9287340. An NADPH:FAD oxidoreductase from the valanimycin producer, Streptomyces viridifaciens. Cloning, analysis, and overexpression. Parry RJ, Li W;. J Biol Chem 1997;272:23303-23311. (from Pfam)

Date:

2024-10-16

Catalyzes the reduction of MN, FAD and riboflavin by NADH

Date:

2021-03-12

This model identifies the reductase component (HpaC) of 4-hydroxyphenylacetate 3-monooxygenase [1]. This enzyme catalyzes the first step (hydroxylation at the 3-position) in the degradation of 4-hydroxyphenylacetate to succinate and pyruvate. 4-hydroxyphenylacetate arises from the degradation of tyrosine. These reductases catalyze the reduction of free flavins by NADPH. The flavin is then utilized by the large subunit of the monooxygenase.

Gene:

hpaC

Date:

2024-05-30