Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli BL21 Star DE3 cells | Vibrio proteolyticus |
Crystallization (Comment) | Organism |
---|---|
hanging drop vapour diffusion method, aminopeptidase in 10 mM Tris buffer, pH 8.0, containing 10 mM KSCN and 400 mM NaCl is equilibrated with 100 mM Tris buffer, pH 8.0, containing 100 mM KSCN and 4.5 M NaCl, at 19°C | Vibrio proteolyticus |
Protein Variants | Comment | Organism |
---|---|---|
D99A | mutant shows very low activity | Vibrio proteolyticus |
D99H | mutant shows very low activity | Vibrio proteolyticus |
D99M | mutant shows reduced activity | Vibrio proteolyticus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0317 | - |
L-Leu-4-nitroanilide | apparent value, mutant enzyme D99M, in 10 mM Tricine buffer, pH 8.0, at 25°C | Vibrio proteolyticus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
32000 | - |
SDS-PAGE | Vibrio proteolyticus |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Vibrio proteolyticus | Q01693 | formerly Aeromonas proteolytica | - |
Purification (Comment) | Organism |
---|---|
ammonium sulfate fractionation, PK agarose bead chromatography, TALON Co2+-affinity resin column chromatography, and TALON Superflow metal affinity resin column chromatography | Vibrio proteolyticus |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.003 | - |
supernatant clarification, in 10 mM Tricine buffer, pH 8.0, at 25°C | Vibrio proteolyticus |
120 | - |
purified enzyme, in 10 mM Tricine buffer, pH 8.0, at 25°C | Vibrio proteolyticus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-Leu-4-nitroanilide + H2O | - |
Vibrio proteolyticus | L-Leu + 4-nitroaniline | - |
? |
Synonyms | Comment | Organism |
---|---|---|
Aminopeptidase | - |
Vibrio proteolyticus |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.017 | - |
L-Leu-4-nitroanilide | apparent value, mutant enzyme D99M, in 10 mM Tricine buffer, pH 8.0, at 25°C | Vibrio proteolyticus |