Inhibitors | Comment | Organism | Structure |
---|---|---|---|
additional information | no inhibition by phosphate | Trichomonas vaginalis | |
Naphthyl acetate | - |
Trichomonas vaginalis | |
p-chloromercuribenzoic acid | - |
Trichomonas vaginalis | |
wheat amylase inhibitor | - |
Trichomonas vaginalis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.4 | - |
maltose | isozyme 1, pH 4.5, 37°C | Trichomonas vaginalis | |
2 | - |
maltose | isozyme 2, pH 5.5, 37°C | Trichomonas vaginalis |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Trichomonas vaginalis | - |
parasitic protist, 2 isozymes 1 and 2 | - |
Purification (Comment) | Organism |
---|---|
2 isozymes 1 and 2, isozyme 2 is purified 472fold | Trichomonas vaginalis |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
7.9 | - |
purified isozyme 1, substrate 4-nitrophenyl alpha-D-glucopyranoside | Trichomonas vaginalis |
17 | - |
purified isozyme 2, substrate 4-nitrophenyl alpha-D-glucopyranoside | Trichomonas vaginalis |
30 | - |
purified isozyme 1, substrate maltose | Trichomonas vaginalis |
101 | - |
purified isozyme 2, substrate maltose | Trichomonas vaginalis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
4-nitrophenyl alpha-D-glucopyranoside + H2O | - |
Trichomonas vaginalis | 4-nitrophenol + alpha-D-glucopyranose | - |
? | |
isomaltose + H2O | - |
Trichomonas vaginalis | 2 alpha-D-glucose | - |
? | |
maltoheptaose + H2O | - |
Trichomonas vaginalis | maltohexaose + D-glucose | - |
? | |
maltohexaose + H2O | - |
Trichomonas vaginalis | maltopentaose + D-glucose | - |
? | |
maltopentaose + H2O | - |
Trichomonas vaginalis | alpha-D-glucose + ? | - |
? | |
maltose + H2O | preferred substrate of both isozymes | Trichomonas vaginalis | alpha-D-glucose + D-glucose | - |
? | |
maltotetraose + H2O | - |
Trichomonas vaginalis | alpha-D-glucose | - |
? | |
maltotriose + H2O | - |
Trichomonas vaginalis | maltose + alpha-D-glucose | - |
? | |
additional information | substrate specificity, no activity of either isozyme with amylose and glycogen, no activity of isozyme 1 with amylopectin, starch, trehalose, panose, and lactose are a poor substrates for both isozymes, amylopectin is a poor substrate for isozyme 2 | Trichomonas vaginalis | ? | - |
? | |
nigerose + H2O | high activity | Trichomonas vaginalis | 2 alpha-D-glucose | - |
? | |
turanose + H2O | - |
Trichomonas vaginalis | alpha-D-glucose + D-fructose | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 100000-105000, isozymes 1 and 2, SDS-PAGE | Trichomonas vaginalis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
4.5 | - |
isozyme 1 | Trichomonas vaginalis |
5.5 | - |
isozyme 2 | Trichomonas vaginalis |