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Literature summary extracted from

  • Crowe, E.; Valladares, R.; Vu, C.; Kuznetsova, E.; Gonzalez, C.F.
    Determination of Francisella tularensis AcpB acid phosphatase substrate preferences (2010), J. Mol. Microbiol. Biotechnol., 19, 198-203.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.1.3.2 expressed in Escherichia coli as a His-tagged fusion protein Francisella tularensis

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.3.2 0.15
-
 Thiamine monophosphate pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 13.3 micromol/min/mg Francisella tularensis
3.1.3.2 0.19
-
 thiamine diphosphate pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 1.38 micromol/min/mg Francisella tularensis
3.1.3.2 0.47
-
 phosphocholine pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 89.58 micromol/min/mg Francisella tularensis
3.1.3.2 3.11
-
 4-nitrophenyl phosphate pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 11.84 micromol/min/mg Francisella tularensis

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.3.2 Co2+ improves activity Francisella tularensis
3.1.3.2 Fe2+ improves activity Francisella tularensis
3.1.3.2 Mg2+ improves activity Francisella tularensis
3.1.3.2 Mn2+ improves activity Francisella tularensis
3.1.3.2 Zn2+ improves activity Francisella tularensis

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.2 Francisella tularensis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.2 using Ni-NTA chromatography Francisella tularensis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.2 4-nitrophenyl phosphate + H2O
-
 Francisella tularensis 4-nitrophenol + phosphate
-
 ?
3.1.3.2 phosphocholine + H2O
-
 Francisella tularensis choline + phosphate
-
 ?
3.1.3.2 thiamine diphosphate + 2 H2O
-
 Francisella tularensis thiamine + 2 phosphate
-
 ?
3.1.3.2 thiamine monophosphate + H2O
-
 Francisella tularensis thiamine + phosphate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.1.3.2 AcpB
-
 Francisella tularensis

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.1.3.2 0.48
-
 thiamine diphosphate pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 1.38 micromol/min/mg Francisella tularensis
3.1.3.2 4.48
-
 4-nitrophenyl phosphate pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 11.84 micromol/min/mg Francisella tularensis
3.1.3.2 4.85
-
 Thiamine monophosphate pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 13.3 micromol/min/mg Francisella tularensis
3.1.3.2 33.24
-
 phosphocholine pH 37°C, pH 5.6, 1 mM MgCl2, Vmax: 89.58 micromol/min/mg Francisella tularensis

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.1.3.2 5.2 5.6
-
 Francisella tularensis