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1.97.1.B1: iodate reductase

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

Reaction

iodate
+
reduced acceptor
=
iodite
+
acceptor
+
H2O

Synonyms

aioA, Idr, IdrA, PSCT_04485

ECTree

     1 Oxidoreductases
         1.97 Other oxidoreductases
             1.97.1 Sole sub-subclass for oxidoreductases that do not belong in the other subclasses
                1.97.1.B1 iodate reductase

General Information

General Information on EC 1.97.1.B1 - iodate reductase

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GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
evolution
the enzyme belongs to a dimethylsulfoxide reductase family of molybdenum enzymes, gene PSCT_04485 encoding IdrA (AioA) defines a distinct clade within the dimethylsulfoxide (DMSO) reductase family. The idr genes (idrABP1P2) form an operon-like structure
metabolism
Idr proteins and high affinity terminal oxidases (Cbb3 and Cyd), various H2O2 scavengers, and chlorite (ClO2 -) dismutase-like proteins are expressed specifically or abundantly under iodate-respiring conditions. Quantitative transcription analysis of the genes potentially involved in iodate respiration
physiological function
Pseudomonas sp. strain SCT is capable of using iodate (IO3-) as a terminal electron acceptor for anaerobic respiration. Periplasmic iodate reductase (Idr) is a possible key enzyme. Idr is a respiratory iodate reductase, and both O2 and H2O2 are formed as by-products of iodate respiration. Iodate-dependent H2O2 formation occurs biologically during iodate respiration