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Literature summary for 4.1.1.29 extracted from

  • Guion-Rain, M.C.; Portemer, C.; Chatagner, F.
    Rat liver cysteine sulfinate decarboxylase: purification, new appraisal of the molecular weight and determination of catalytic properties (1975), Biochim. Biophys. Acta, 384, 265-276.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Sulfhydryl reducing agents required, e.g. dithiothreitol, 2-mercaptoethanol, reduced glutathione Rattus norvegicus

General Stability

General Stability Organism
pyridoxal 5'-phosphate protects against denaturation by heat or urea Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
BH4-
-
Rattus norvegicus
noradrenaline reversed by addition of 0.1 mM pyridoxal 5'-phosphate Rattus norvegicus
Penicillamine reversed by addition of 0.1 mM pyridoxal 5'-phosphate Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.17
-
cysteine sulfinate
-
Rattus norvegicus
0.66
-
cysteic acid
-
Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
55000
-
2 * 55000, SDS-PAGE Rattus norvegicus
100000
-
gel filtration, sucrose density gradient centrifugation, nondenaturing PAGE Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Rattus norvegicus

Storage Stability

Storage Stability Organism
-20°C, with EDTA, pyridoxal 5'-phosphate and dithiothreitol, 3-5 mg of protein, 25-30% loss of activity Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Cysteic acid
-
Rattus norvegicus 2-Aminoethane sulfonate + CO2
-
?
L-Cysteine sulfinate
-
Rattus norvegicus 2-Aminoethane sulfinate + CO2
-
?

Subunits

Subunits Comment Organism
dimer 2 * 55000, SDS-PAGE Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
57
-
thermal inactivation at Rattus norvegicus
59
-
thermal inactivation at Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
L-cysteine sulfinic acid, cysteic acid Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate coenzyme Rattus norvegicus