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Literature summary extracted from

  • Schildkraut, I.; Greer, S.
    Threonine synthetase-catalyzed conversion of phosphohomoserine to alpha-ketobutyrate in Bacillus subtilis (1973), J. Bacteriol., 115, 777-785.
    View publication on PubMedView publication on EuropePMC

Organism

EC Number Organism UniProt Comment Textmining
4.2.3.1 Bacillus subtilis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.2.3.1
-
Bacillus subtilis

Reaction

EC Number Reaction Comment Organism Reaction ID
4.2.3.1 O-phospho-L-homoserine + H2O = L-threonine + phosphate mechanism of phosphohomoserine dephosphorylation/deamination activity Bacillus subtilis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.2.3.1 O-phospho-L-homoserine + H2O
-
Bacillus subtilis L-threonine + phosphate
-
ir
4.2.3.1 phosphohomoserine bypass of threonine in isoleucine biosynthesis Bacillus subtilis 2-oxobutyrate + phosphate + ?
-
ir
4.2.3.1 threonine
-
Bacillus subtilis 2-oxobutyrate + NH3
-
ir

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.2.3.1 8
-
enzyme assay at Bacillus subtilis