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Literature summary for 1.8.7.1 extracted from

  • Brychkova, G.; Yarmolinsky, D.; Ventura, Y.; Sagi, M.
    A novel in-gel assay and an improved kinetic assay for determining in vitro sulfite reductase activity in plants (2012), Plant Cell Physiol., 53, 1507-1516.
    View publication on PubMed
Search for more literature for 1.8.7.1

Activating Compound

Activating Compound Comment Organism Structure
NADPH NADPH as an additional electron donor to methyl viologen enhances enzyme activity by 1.6fold Arabidopsis thaliana
NADPH NADPH as an additional electron donor to methyl viologen enhances enzyme activity by 2.8fold Solanum lycopersicum
NADPH the addition of NADPH to the reaction medium increases enzyme activity by 1.6fold Arabidopsis thaliana
NADPH the addition of NADPH to the reaction medium increases enzyme activity by 2.8fold Solanum lycopersicum
tungstic acid stimulates activity Arabidopsis thaliana
tungstic acid stimulates activity Solanum lycopersicum

Metals/Ions

Metals/Ions Comment Organism Structure
tungstate 1 mM tungstate improves enzyme activity in Arabidopsis leaf by 12% Solanum lycopersicum
tungstate 1 mM tungstate improves enzyme activity in Arabidopsis leaf by 29% Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
sulfite + reduced ferredoxin Arabidopsis thaliana
-
 hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced ferredoxin Solanum lycopersicum
-
 hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced ferredoxin + H+ Arabidopsis thaliana
-
 hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced ferredoxin + H+ Solanum lycopersicum
-
 hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
-
-
Arabidopsis thaliana
-
 ecotype Columbia-0
-
Solanum lycopersicum
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Arabidopsis thaliana
-
leaf
-
 Solanum lycopersicum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information no activity with NADPH as single electron donor Arabidopsis thaliana ?
-
 ?
additional information no activity with NADPH as single electron donor Solanum lycopersicum ?
-
 ?
sulfite + reduced ferredoxin
-
 Arabidopsis thaliana hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced ferredoxin
-
 Solanum lycopersicum hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced ferredoxin + H+
-
 Arabidopsis thaliana hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced ferredoxin + H+
-
 Solanum lycopersicum hydrogen sulfide + oxidized ferredoxin + H2O
-
 ?
sulfite + reduced methyl viologen + H+
-
 Arabidopsis thaliana hydrogen sulfide + oxidized methyl viologen + H2O
-
 ?
sulfite + reduced methyl viologen + H+
-
 Solanum lycopersicum hydrogen sulfide + oxidized methyl viologen + H2O
-
 ?

Synonyms

Synonyms Comment Organism
Fd-SiR
-
 Arabidopsis thaliana
Fd-SiR
-
 Solanum lycopersicum
SIR
-
 Arabidopsis thaliana
SIR
-
 Solanum lycopersicum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
 the enzyme exhibits thermostability up to 60°C, with activity decreasing after heating to higher temperatures Arabidopsis thaliana
60
-
 the enzyme exhibits thermostability up to 60°C, with activity decreasing after heating to higher temperatures Solanum lycopersicum