1.8.1.2: assimilatory sulfite reductase (NADPH)
This is an abbreviated version!
For detailed information about assimilatory sulfite reductase (NADPH), go to the full flat file.
Word Map on EC 1.8.1.2
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1.8.1.2
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sulfur
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siroheme
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dissimilatory
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hemoprotein
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desulfovibrio
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sulfate-reducing
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thiosulfate
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six-electron
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desulfoviridin
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o-acetylserine
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sulfhydrylase
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dsrab
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sulfurylase
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5'-phosphosulfate
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hildenborough
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ferredoxin-dependent
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o-acetyl-l-serine
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exchange-coupled
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desulfotomaculum
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brewing
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nutrition
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medicine
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synthesis
- 1.8.1.2
- sulfur
- siroheme
-
dissimilatory
- hemoprotein
- desulfovibrio
-
sulfate-reducing
- thiosulfate
-
six-electron
-
desulfoviridin
- o-acetylserine
-
sulfhydrylase
- dsrab
-
sulfurylase
- 5'-phosphosulfate
- hildenborough
-
ferredoxin-dependent
- o-acetyl-l-serine
-
exchange-coupled
- desulfotomaculum
- brewing
- nutrition
- medicine
- synthesis
Reaction
+ 3 NADP+ + 3 H2O = + 3 NADPH + 3 H+
Synonyms
CNG03990, coenzyme F420-dependent sulfite reductase, CysI, CysIJ, desulforubidin, EC 1.8.99.1, Fsr, H2S-NADP oxidoreductase, MET10, NADPH-dependent assimilatory sulfite reductase, NADPH-dependent sulfite reductase, NADPH-sulfite reductase, reductase, sulfite (reduced nicotinamide adenine dinucleotide phosphate), SIR, SIR-FP, SIR-HP, SiR/SiRHP, SIRHP, sulfite reductase, sulfite reductase hemo-subunit
ECTree
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Reaction Type
Reaction Type on EC 1.8.1.2 - assimilatory sulfite reductase (NADPH)
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oxidation
redox reaction
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reduction
additional information
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sodium salts of thiosulfate and sulfate do not serve as the electron acceptor for reduced F420 oxidation by Fsr. Also, Fsr can not use NADH and NADPH for the reduction of sulfite.
additional information
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the N-terminal half of Fsr represents a H2F420 dehydrogenase and the C-terminal half a dissimilatory-type siroheme sulfite reductase, and Fsr catalyzes the corresponding partial reactions