Inhibitors | Comment | Organism | Structure |
---|---|---|---|
1,3-diaminopropane | 34% inhibition | Bos taurus | |
1,6-diaminohexane | 23% inhibition | Bos taurus | |
5'-ethylthioadenosine | - |
Bos taurus | |
5'-methylthioadenosine | non-competitive, mixed type inhibition | Bos taurus | |
cadaverine | 26-39% inhibition | Bos taurus | |
N,N'-Bis-(2-aminoethyl)propane-1,3-diamine | strong, 52% inhibition | Bos taurus | |
S-Adenosyl(5')-2-methylthioethylamine | - |
Bos taurus | |
spermidine | not competitive, mixed type inhibition | Bos taurus | |
triethylenetetramine | 39% inhibition | Bos taurus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | kinetic study | Bos taurus | |
0.0003 | - |
S-adenosyl-3-methylthio-1-propylamine | pH 7.4, 37ºC | Bos taurus | |
0.04 | - |
1,4-diaminobutane | pH 7.4, 37ºC | Bos taurus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
35800 | - |
2 * 35800, SDS-PAGE | Bos taurus |
70000 | - |
SDS-PAGE | Bos taurus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
S-adenosyl-3-methylthio-1-propylamine + 1,4-diaminobutane | Bos taurus | - |
5'-methylthioadenosine + spermidine | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Bos taurus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
affinity chromatography with S-adenosyl-5'-3-thiopropylamine linked to Sepharose, 11000fold purified | Bos taurus |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
S-adenosyl 3-(methylsulfanyl)propylamine + putrescine = S-methyl-5'-thioadenosine + spermidine | random order or ordered mechanism in which both substrates bind before the release of the products | Bos taurus |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
brain | - |
Bos taurus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
1.12 | - |
- |
Bos taurus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
S-adenosyl-(5')-3-methylthio-1-propylamine + 1,4-diaminobutane | analogues of decarboxylated S-adenosylmethionine act as propylamine donors | Bos taurus | 5'-methylthioadenosine + spermidine | - |
? | |
S-adenosyl-(5')-3-methylthio-1-propylamine + 1,6-diaminohexane | 1% the reaction rate than with 1,4-diaminobutane | Bos taurus | ? | - |
? | |
S-adenosyl-3-carboxymethylthio-1-propylamine + 1,4-diaminobutane | - |
Bos taurus | ? | - |
? | |
S-adenosyl-3-ethylthio-1-propylamine + 1,4-diaminobutane | - |
Bos taurus | ? | - |
? | |
S-adenosyl-3-methylthio-1-propylamine + 1,4-diaminobutane | - |
Bos taurus | 5'-methylthioadenosine + spermidine | - |
? | |
S-adenosyl-3-methylthio-1-propylamine + 1,5-diaminopentane | 6% the reaction rate than with 1,4-diaminobutane | Bos taurus | 5'-methylthioadenosine + N-(3-aminopropyl)-1,5-diaminopentane | - |
? | |
S-adenosyl-3-propylthio-1-propylamine + 1,4-diaminobutane | - |
Bos taurus | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 35800, SDS-PAGE | Bos taurus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
assay at | Bos taurus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
additional information | - |
pI 5.22 | Bos taurus |
9.6 | - |
190% of the activity, taking pH 7 as 100% | Bos taurus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.5 | 9.8 | about 60% of maximal activity at pH 6.5 and about 85% of maximal activity at pH 9.8 | Bos taurus |