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Literature summary for 4.2.1.20 extracted from

  • Zaffaroni, P.; Vitobello, V.; Cecere, F.; Giacomozzi, E.; Morisi, F.
    Synthesis of L-tryptophan from indole and DL-serine by tryptophan synthetase entrapped in fibres 1. Preparation and properties of free and entrapped enzyme (1974), Agric. Biol. Chem., 38, 1335-1342.
No PubMed abstract available
Search for more literature for 4.2.1.20

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.608
-
-
 Escherichia coli

Storage Stability

Storage Stability Organism
0°C, in cellulose triacetate, 6 months Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
indole + L-serine
-
 Escherichia coli L-tryptophan + H2O
-
 ?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
 30 min, 20% loss of activity Escherichia coli

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9
-
-
 Escherichia coli