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1.8.7.1: assimilatory sulfite reductase (ferredoxin)

This is an abbreviated version!
For detailed information about assimilatory sulfite reductase (ferredoxin), go to the full flat file.

Word Map on EC 1.8.7.1

Reaction

hydrogen sulfide
+ 3 oxidized ferredoxin + 3 H2O =
sulfite
+ 3 reduced ferredoxin + 6 H+

Synonyms

CMG021C, CmSiRB, coenzyme F420-dependent sulfite reductase, CYME_CMG021C, CYME_CMJ117C, DCP68, desulphoviridin, dissimilatory sulfite reductase, dSiR, EC 1.8.99.1, Fd-SiR, FdSiR, ferredoxin and sulfite reductase, ferredoxin sulfite reductase, ferredoxin-dependent sulfite reductase, ferredoxin-sulfite reductase, ferredoxin:sulfite oxidoreductase, ferredoxin:sulfite reductase, Fsr, NirA, PsSiR, SIR, SiRA, SirB, siroheme- and [Fe4-S4]-dependent NirA, sulfite reductase, sulfite reductase B, ZmSiR

ECTree

     1 Oxidoreductases
         1.8 Acting on a sulfur group of donors
             1.8.7 With an iron-sulfur protein as acceptor
                1.8.7.1 assimilatory sulfite reductase (ferredoxin)

KM Value

KM Value on EC 1.8.7.1 - assimilatory sulfite reductase (ferredoxin)

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.221
nitrite
-
-
0.0028
oxidized ferredoxin
-
root enzyme
0.021
reduced coenzyme F420
-
at a fixed sulfite concentration of 0.29 mM and within a reduced coenzyme F420 concentration range of 0.004-0.06 mM
0.0017 - 0.076
reduced ferredoxin
0.006
reduced methyl viologen
-
-
0.6
S-Sulfoglutathione
-
-
0.0064 - 0.22
sulfite