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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Inhibitors
Inhibitors on EC 1.8.1.2 - assimilatory sulfite reductase (NADPH)
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iodonium diphenyl chloride
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acts on NADPH- and FAD-binding domain of flavoprotein component
p-chloromercuribenzoate
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NADPH-dependent activities
additional information
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inhibitory potency of metal ions, overview, no inhibition by Na+, K+, and Mg2+
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CN-
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severe inhibition of NADPH-sulfite,-nitrite,-hydroxylamine reductase, no inhibition of methyl viologen-sulfite reductase, small extent of inhibition of NADPH dependent reduction of cytochrome c, ferricyanide, quinones etc.
CN-
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only when added with NADPH prior to substrate, sulfite prevents NADPH-reduced form from irreversible conversion by CN-; severe inhibition of NADPH-sulfite,-nitrite,-hydroxylamine reductase, no inhibition of methyl viologen-sulfite reductase, small extent of inhibition of NADPH dependent reduction of cytochrome c, ferricyanide, quinones etc.
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reduction of sulfite, nitrite, hydroxylamine by reduced methyl viologen
Sulfide
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reduction of sulfite, nitrite, hydroxylamine by reduced methyl viologen
Sulfide
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reduction of sulfite, nitrite, hydroxylamine by reduced methyl viologen