| Cloned (Comment) | Organism |
|---|---|
| wild-type and mutant enzymes expressed in Escherichia coli | Branchiostoma japonicum |
| Protein Variants | Comment | Organism |
|---|---|---|
| H64E | Vmax values for mutant enzyme with substrate spermine or spermidine are lower than Vmax values for wild-type enzym. Km values for mutant enzyme with substrate spermine or spermidine are higher than Km values for wild-type enzym | Branchiostoma japonicum |
| H64Q | Vmax values for mutant enzyme with substrate spermine or spermidine are lower than Vmax values for wild-type enzym. Km values for mutant enzyme with substrate spermine or spermidine are higher than Km values for wild-type enzym | Branchiostoma japonicum |
| H69E | compared with the wild-type enzyme the mutant enzyme shows lower Vmax values and higher Km-values for the substrates spermidine and N1-acetylspermine | Branchiostoma japonicum |
| H69Q | compared with the wild-type enzyme the mutant enzyme shows lower Vmax values and higher Km-values for the substrates spermidine and N1-acetylspermine | Branchiostoma japonicum |
| K301M | Vmax values for mutant enzyme with substrate spermine or spermidine are lower than Vmax values for wild-type enzym. Km values for mutant enzyme with substrate spermine or spermidine are higher than Km values for wild-type enzym | Branchiostoma japonicum |
| K315M | compared with the wild-type enzyme the mutant enzyme shows lower Vmax values and higher Km-values for the substrates spermidine and N1-acetylspermine | Branchiostoma japonicum |
| T460S | Vmax values for mutant enzyme with substrate spermine or spermidine are lower than Vmax values for wild-type enzym. Km values for mutant enzyme with substrate spermine or spermidine are higher than Km values for wild-type enzym | Branchiostoma japonicum |
| T460Y | Vmax values for mutant enzyme with substrate spermine or spermidine are lower than Vmax values for wild-type enzym. Km values for mutant enzyme with substrate spermine or spermidine are higher than Km values for wild-type enzym | Branchiostoma japonicum |
| T467S | compared with the wild-type enzyme the mutant enzyme shows lower Vmax values and higher Km-values for the substrates spermidine and N1-acetylspermine | Branchiostoma japonicum |
| T467Y | compared with the wild-type enzyme the mutant enzyme shows lower Vmax values and higher Km-values for the substrates spermidine and N1-acetylspermine | Branchiostoma japonicum |
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| N1,N4-bis(2,3-butadienyl)-1,4-butanediamine | 2.5 mM, 50% inhibition of spermidine oxidation, 70% inhibition of N1-acetylspermine oxidation; 2.5 mM, 50% inhibition of spermidine oxidation, 70% inhibition of spermine oxidation | Branchiostoma japonicum |
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.007 | - |
spermidine | 37°C, pH 9.5, wild-type enzyme | Branchiostoma japonicum | |
| 0.00836 | - |
spermine | 37°C, pH 8.5, wild-type enzyme | Branchiostoma japonicum | |
| 0.012 | - |
spermine | 37°C, pH 8.5, mutant enzyme T460S | Branchiostoma japonicum | |
| 0.0124 | - |
spermidine | 37°C, pH 9.5, wild-type enzyme | Branchiostoma japonicum | |
| 0.013 | - |
spermine | 37°C, pH 8.5, mutant enzyme T460Y | Branchiostoma japonicum | |
| 0.016 | - |
spermidine | 37°C, pH 9.5, mutant enzyme K301M | Branchiostoma japonicum | |
| 0.017 | - |
spermine | 37°C, pH 8.5, mutant enzyme K301M | Branchiostoma japonicum | |
| 0.017 | - |
spermidine | 37°C, pH 9.5, mutant enzyme T460Y | Branchiostoma japonicum | |
| 0.019 | - |
spermidine | 37°C, pH 9.5, mutant enzyme H64E | Branchiostoma japonicum | |
| 0.019 | - |
spermidine | 37°C, pH 9.5, mutant enzyme T460S | Branchiostoma japonicum | |
| 0.02 | - |
spermidine | 37°C, pH 9.5, mutant enzyme T467Y | Branchiostoma japonicum | |
| 0.021 | - |
spermidine | 37°C, pH 9.5, mutant enzyme H64Q | Branchiostoma japonicum | |
| 0.0229 | - |
spermidine | 37°C, pH 9.5, mutant enzyme H69Q | Branchiostoma japonicum | |
| 0.024 | - |
spermine | 37°C, pH 8.5, mutant enzyme H64E | Branchiostoma japonicum | |
| 0.025 | - |
spermidine | 37°C, pH 9.5, mutant enzyme H69E | Branchiostoma japonicum | |
| 0.0269 | - |
spermine | 37°C, pH 8.5, mutant enzyme H64Q | Branchiostoma japonicum | |
| 0.031 | - |
spermidine | 37°C, pH 9.5, mutant enzyme K315M | Branchiostoma japonicum | |
| 0.0369 | - |
N1-acetylspermine | 37°C, pH 8.0, wild-type enzyme | Branchiostoma japonicum | |
| 0.043 | - |
N1-acetylspermine | 37°C, pH 8.0, mutant enzyme K315M | Branchiostoma japonicum | |
| 0.046 | - |
N1-acetylspermine | 37°C, pH 8.0, mutant enzyme T467Y | Branchiostoma japonicum | |
| 0.058 | - |
N1-acetylspermine | 37°C, pH 8.0, mutant enzyme T467S | Branchiostoma japonicum | |
| 0.062 | - |
N1-acetylspermine | 37°C, pH 8.0, mutant enzyme H69E | Branchiostoma japonicum | |
| 0.071 | - |
N1-acetylspermine | 37°C, pH 8.0, mutant enzyme H69Q | Branchiostoma japonicum | |
| 0.182 | - |
spermidine | 37°C, pH 9.5, mutant enzyme T467S | Branchiostoma japonicum |
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Branchiostoma japonicum | A0A0N7IZL9 | - |
- |
| Branchiostoma japonicum | - |
- |
- |
| Purification (Comment) | Organism |
|---|---|
- |
Branchiostoma japonicum |
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| gill | - |
Branchiostoma japonicum | - |
| hepatic cecum | - |
Branchiostoma japonicum | - |
| hindgut | - |
Branchiostoma japonicum | - |
| muscle | - |
Branchiostoma japonicum | - |
| notochord | Bjpao1 is predominantly expressed in the notochord, testis and ovary | Branchiostoma japonicum | - |
| notochord | - |
Branchiostoma japonicum | - |
| ovary | Bjpao1 is predominantly expressed in the notochord, testis and ovary | Branchiostoma japonicum | - |
| ovary | - |
Branchiostoma japonicum | - |
| testis | Bjpao1 is predominantly expressed in the notochord, testis and ovary | Branchiostoma japonicum | - |
| testis | - |
Branchiostoma japonicum | - |
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | Bjpao1 shows no activity with N1-acetylspermine | Branchiostoma japonicum | ? | - |
? | |
| additional information | Bjpao2 shows no activity with spermine | Branchiostoma japonicum | ? | - |
? | |
| N1-acetylspermine + O2 + H2O | - |
Branchiostoma japonicum | spermidine + 3-acetamidopropanal + H2O2 | - |
? | |
| spermidine + O2 + H2O | - |
Branchiostoma japonicum | putrescine + 3-aminopropanal + H2O2 | - |
? | |
| spermine + O2 + H2O | - |
Branchiostoma japonicum | spermidine + 3-aminopropanal + H2O2 | - |
? |
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 56000, SDS-PAGE | Branchiostoma japonicum |
| ? | x * 59000, SDS-PAGE | Branchiostoma japonicum |
| Synonyms | Comment | Organism |
|---|---|---|
| Bjpao1 | - |
Branchiostoma japonicum |
| Bjpao2 | - |
Branchiostoma japonicum |
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 30 | 37 | - |
Branchiostoma japonicum |
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 8 | - |
substrate: N1-acetylspermine | Branchiostoma japonicum |
| 8.5 | - |
substrate: spermine | Branchiostoma japonicum |
| 9 | - |
substrate: spermidine | Branchiostoma japonicum |
| Organism | Comment | pI Value Maximum | pI Value |
|---|---|---|---|
| Branchiostoma japonicum | calculated from sequence | - |
4.9 |
| Branchiostoma japonicum | calculated from sequence | - |
5.13 |