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Literature summary extracted from

  • Motorin, Y.; Waller, J.P.
    Purification and properties of cysteinyl-tRNA synthetase from rabbit liver (1998), Biochimie, 80, 579-590.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
6.1.1.16 0.011
-
L-cysteine pH 7.5, 25°C Oryctolagus cuniculus
6.1.1.16 0.08
-
tRNACys pH 7.5, 25°C Oryctolagus cuniculus
6.1.1.16 0.8
-
ATP pH 7.5, 25°C Oryctolagus cuniculus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
6.1.1.16 KCl required, optimal cocentration is 150 mM Oryctolagus cuniculus
6.1.1.16 Mg2+ dependent on, optimal concentration is 5 mM Oryctolagus cuniculus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
6.1.1.16 86000
-
x * 92000, enzyme form I, SDS-PAGE, x * 86000, enzyme form II, SDS-PAGE Oryctolagus cuniculus
6.1.1.16 92000
-
x * 92000, enzyme form I, SDS-PAGE, x * 86000, enzyme form II, SDS-PAGE Oryctolagus cuniculus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
6.1.1.16 ATP + L-cysteine + tRNACys Oryctolagus cuniculus
-
AMP + diphosphate + L-cysteinyl-tRNACys
-
?

Organism

EC Number Organism UniProt Comment Textmining
6.1.1.16 Oryctolagus cuniculus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
6.1.1.16 8300fold from liver, 2 different forms, to homogeneity Oryctolagus cuniculus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
6.1.1.16 liver
-
Oryctolagus cuniculus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.1.1.16 0.22
-
purified enzyme Oryctolagus cuniculus

Storage Stability

EC Number Storage Stability Organism
6.1.1.16 -20°C, 50% glycerol, 1 mM DTE, at least 6 months, no loss of activity Oryctolagus cuniculus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6.1.1.16 ATP + L-cysteine + tRNACys
-
Oryctolagus cuniculus AMP + diphosphate + L-cysteinyl-tRNACys
-
?

Subunits

EC Number Subunits Comment Organism
6.1.1.16 ? x * 92000, enzyme form I, SDS-PAGE, x * 86000, enzyme form II, SDS-PAGE Oryctolagus cuniculus

Synonyms

EC Number Synonyms Comment Organism
6.1.1.16 CRS
-
Oryctolagus cuniculus
6.1.1.16 CysRS
-
Oryctolagus cuniculus
6.1.1.16 Cysteine translase
-
Oryctolagus cuniculus
6.1.1.16 Cysteine--tRNA ligase
-
Oryctolagus cuniculus
6.1.1.16 Cysteinyl-transfer ribonucleate synthetase
-
Oryctolagus cuniculus
6.1.1.16 Cysteinyl-transfer RNA synthetase
-
Oryctolagus cuniculus
6.1.1.16 Cysteinyl-tRNA synthetase
-
Oryctolagus cuniculus
6.1.1.16 Synthetase, cysteinyl-transfer ribonucleate
-
Oryctolagus cuniculus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
6.1.1.16 25
-
assay at Oryctolagus cuniculus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
6.1.1.16 7.5
-
assay at Oryctolagus cuniculus

Cofactor

EC Number Cofactor Comment Organism Structure
6.1.1.16 ATP dependent on, optimal concentration is 3 mM Oryctolagus cuniculus