1.13.11.49: chlorite O2-lyase
This is an abbreviated version!
For detailed information about chlorite O2-lyase, go to the full flat file.
Word Map on EC 1.13.11.49
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1.13.11.49
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perchlorate
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chlorate
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dechloromonas
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perchlorate-reducing
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dismutases
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clo2
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dismutation
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high-spin
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low-spin
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dechloratans
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defluvii
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chlorate-reducing
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nitrospira
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ideonella
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aromatica
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azospira
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hemqs
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environmental protection
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molecular biology
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biotechnology
- 1.13.11.49
- perchlorate
- chlorate
- dechloromonas
-
perchlorate-reducing
- dismutases
- clo2
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dismutation
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high-spin
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low-spin
- dechloratans
- defluvii
-
chlorate-reducing
- nitrospira
- ideonella
- aromatica
- azospira
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hemqs
- environmental protection
- molecular biology
- biotechnology
Reaction
Synonyms
chlorite dismutase, CLD, Cyan7425_1434, dimutase, chlorite, HemQ, Pfam chlorite dismutase, PitA
ECTree
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Natural Substrates Products
Natural Substrates Products on EC 1.13.11.49 - chlorite O2-lyase
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REACTION DIAGRAM
chloride + O2
chlorite
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chlorite dismutase catalyzes O2 release from chlorite with exquisite efficiency and specificity
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r
chloride + O2
chlorite
chlorite dismutase is a unique heme enzyme which transforms chlorite to chloride and molecular oxygen
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r
chloride + O2
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reaction provides oxygen for aerobic benzene biodegradation
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?
chlorite
chloride + O2
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reaction provides oxygen for aerobic benzene biodegradation
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?
chlorite
chloride + O2
catalytic mechanism via ferryl species and ClO--anion
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?
chlorite
chloride + O2
catalytic mechanism via ferryl species and ClO--anion
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?
chlorite
chloride + O2
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highly specific (no 18O from 18O-labeled water), no other side products with 18O-labeled ClO2- detectable
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?
chlorite
chloride + O2
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the heme enzyme rapidly converts chlorite to chloride and O2, suggesting a simple approach to overcoming both the technical difficulties in the systematic variation of the O2 concentration and its modest solubility
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-
?
chlorite
chloride + O2
Stutzerimonas chloritidismutans
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degradation of n-alkane or intermediates + chlorate
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?
chlorite
chloride + O2
Stutzerimonas chloritidismutans
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water is not involved in the O2-building reaction (no inclusion of 18O-isotope from labeled water)
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?
chlorite
chloride + O2
Stutzerimonas chloritidismutans AW-1 / DSM 13592
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degradation of n-alkane or intermediates + chlorate
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?
chlorite
chloride + O2
Stutzerimonas chloritidismutans AW-1 / DSM 13592
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water is not involved in the O2-building reaction (no inclusion of 18O-isotope from labeled water)
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?
chlorite
chloride + O2
Stutzerimonas chloritidismutans AW-1(T)
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degradation of n-alkane or intermediates + chlorate
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?
?
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upon reduction of chlorite, hypochlorite is formed and kept in the reaction sphere for recombination with the oxoiron(IV) group of Compound I. Approximately one molecule of HOCl per 100 full cycles escapes and reacts with both the prosthetic group and the protein moiety, leading to irreversible inactivation of Cld is observed which is more pronounced with an increase in pH. HOCl traps like methionine can rescue the enzyme from inactivation
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additional information
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although its sequence is highly similar to functional chlorite dismutases, the HemQ protein has no steady state reactivity with chlorite, very modest reactivity with H2O2 or peracetic acid, and no observable transient intermediates
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additional information
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although its sequence is highly similar to functional chlorite dismutases, the HemQ protein has no steady state reactivity with chlorite, very modest reactivity with H2O2 or peracetic acid, and no observable transient intermediates
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