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Literature summary for 2.6.1.3 extracted from

  • Thibert, R.J.; Schmidt, D.E.
    Purification and partial characterization of cysteine-glutamate transaminase from rat liver (1977), Can. J. Biochem., 55, 958-964.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
alpha-Methyl-DL-cysteine inhibits transamination of cysteine Rattus norvegicus
Maleate
-
Rattus norvegicus
sodium phosphate buffer
-
Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
83500
-
gel filtration Rattus norvegicus
84000
-
1 * 84000, SDS-PAGE Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-cysteine + 2-oxoglutarate Rattus norvegicus important part of enzyme together with beta-mercaptopyruvate sulfurtransferase in the regulation of thiosulfate formation L-glutamate + beta-mercaptopyruvate
-
?

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
TEAE-cellulose, isoelectric focusing 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
2.085
-
-
Rattus norvegicus

Storage Stability

Storage Stability Organism
-20ºC, 68% inactivated after 32 days Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-cysteine + 2-oxoglutarate
-
Rattus norvegicus L-glutamate + beta-mercaptopyruvate
-
?
L-cysteine + 2-oxoglutarate important part of enzyme together with beta-mercaptopyruvate sulfurtransferase in the regulation of thiosulfate formation Rattus norvegicus L-glutamate + beta-mercaptopyruvate
-
?

Subunits

Subunits Comment Organism
monomer 1 * 84000, SDS-PAGE Rattus norvegicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
1 h at room temperature, complete inactivation Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2
-
-
Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
7 11 about 60% of activity maximum at pH 7 and 11 Rattus norvegicus

Cofactor

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