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Literature summary for 2.7.8.8 extracted from

  • Dowhan, W.
    Phosphatidylserine synthase from Escherichia coli (1992), Methods Enzymol., 209, 287-298.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Triton X-100 dependent on nonionic detergent, at 0.1 mM CDP-diacylglycerol optimal activity occurs at a Triton to substrate molar ratio of 8:1 Escherichia coli

Protein Variants

Protein Variants Comment Organism
additional information mutants in the pss gene stop growing after 4 to 5 generations at the restruiction temperature 42°C. The enzyme isolated from such mutants is also temperature-labile Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
52817
-
x * 52817, calculation from nucleotide sequence Escherichia coli
500000
-
-
Escherichia coli

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Reaction

Reaction Comment Organism Reaction ID
CDP-diacylglycerol + L-serine = CMP + (3-sn-phosphatidyl)-L-serine two-step ping-pong reaction mechanism involving covalently bound enzyme-phosphatidyl intermediate Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
39
-
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CDP-diacylglycerol + L-Ser
-
Escherichia coli CMP + 3-O-sn-phosphatidyl-L-serine
-
?

Subunits

Subunits Comment Organism
? x * 52817, calculation from nucleotide sequence Escherichia coli