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Literature summary for 6.1.1.11 extracted from

  • Makman, M.H.; Cantoni, G.L.
    Isolation of seryl and phenylalanyl ribonucleic acid synthetases from baker's yeast (1965), Biochemistry, 4, 1434-1442.
No PubMed abstract available

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Saccharomyces cerevisiae

General Stability

General Stability Organism
EDTA, 10-50 mM, stabilizes purified enzyme at 2-4°C and at 37°C, no protective effect at 45°C Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.00024
-
tRNASer substrate from yeast Saccharomyces cerevisiae

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ optimal Mg/ATP ratio is 1.5-2.5 Saccharomyces cerevisiae

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
89000
-
equilibrium ultracentrifugation method Saccharomyces cerevisiae
114000
-
sucrose density gradient centrifugation Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.53
-
-
Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
AMP + diphosphate + L-seryl-tRNASer
-
Saccharomyces cerevisiae ATP + L-serine + tRNASer
-
r
ATP + L-serine + tRNASer
-
Saccharomyces cerevisiae AMP + diphosphate + L-seryl-tRNASer
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
EDTA, 10-50 mM, stabilizes purified enzyme at 2-4°C and at 37°C, no protective effect at 45°C Saccharomyces cerevisiae

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.833
-
L-seryl-tRNASer
-
Saccharomyces cerevisiae