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Literature summary for 2.3.1.30 extracted from

  • Ruffet, M.L.; Droux, M.; Douce, R.
    Purification and kinetic properties of serine acetyltransferase free of O-acetylserine(thiol)lyase from spinach chloroplasts (1994), Plant Physiol., 104, 597-604.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.35
-
acetyl-CoA
-
Spinacia oleracea
2.29
-
L-serine
-
Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast stroma Spinacia oleracea 9507
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
33000
-
x * 33000, SDS-PAGE Spinacia oleracea

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
acetyl-CoA + L-serine Spinacia oleracea first enzyme in L-cysteine synthesis pathway CoA + O-acetyl-L-serine
-
ir

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Spinacia oleracea

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Spinacia oleracea
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
coupled assay system Spinacia oleracea
205
-
purified enzyme, pH 7.5 Spinacia oleracea

Storage Stability

Storage Stability Organism
20°C, 0.4 M NaCl, 2 weeks, stable Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + L-serine
-
Spinacia oleracea CoA + O-acetyl-L-serine
-
ir
acetyl-CoA + L-serine first enzyme in L-cysteine synthesis pathway Spinacia oleracea CoA + O-acetyl-L-serine
-
ir

Subunits

Subunits Comment Organism
? x * 33000, SDS-PAGE Spinacia oleracea

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Spinacia oleracea

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
15 70
-
Spinacia oleracea

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
80
-
5 min, 50% loss of activity Spinacia oleracea
90
-
5 min, complete loss of activity Spinacia oleracea

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 8.5
-
Spinacia oleracea