Chlorite dismutase, also known as Chlorite O2-lyase (EC 1.13.11.49), is an enzyme that catalyzes the chemical reaction

chlorite dismutase
Identifiers
EC no.1.13.11.49
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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NCBIproteins
ClO
2
→ Cl + O2

Reactions that generate oxygen molecules are exceedingly rare in biology and difficult to mimic synthetically. Perchlorate - respiring bacteria enzymatically detoxify chlorite, ClO
2
, the end product of the perchlorate, ClO
4
, respiratory pathway, by converting it to dioxygen, O2, and chloride, Cl.[1] Chlorite dismutase is a heme-containing protein, but it bears no structural or sequence relationships with known peroxidases or other heme proteins and is part of a large family of proteins with more than one biochemical function.

References

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  1. ^ DuBois JL, Ojha S (2015). "Chapter 3: Production of Dioxygen in the Dark: Dismutases of Oxyanions". In Kroneck PM, Torres ME (eds.). Sustaining Life on Planet Earth: Metalloenzymes Mastering Dioxygen and Other Chewy Gases. Metal Ions in Life Sciences. Vol. 15. Springer. pp. 45–87. doi:10.1007/978-3-319-12415-5_3.