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Literature summary for 3.5.3.12 extracted from
- Purification and properties of agmatine iminohydrolase from groundnut cotyledons (1979), Phytochemistry, 18, 1937-1938.
No PubMed abstract available
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| cadaverine | competitive inhibition | Arachis hypogaea |  |
| Cu2+ | - |
Arachis hypogaea | |
| Cu2+ | - |
Zea mays | |
| Fe3+ | - |
Arachis hypogaea | |
| Hg2+ | - |
Arachis hypogaea | |
| p-chloromercuribenzoate | - |
Arachis hypogaea | |
| p-chloromercuribenzoate | - |
Zea mays | |
| putrescine | - |
Arachis hypogaea | |
| spermidine | competitive inhibition | Arachis hypogaea | |
| spermine | 10 mM, 50% inhibition | Arachis hypogaea | |
| tryptamine | 2.5 mM, 50% inhibition | Arachis hypogaea | |
| Zn2+ | - |
Arachis hypogaea | |
| Zn2+ | - |
Zea mays | |
KM Value [mM]
| KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 0.76 | - |
agmatine | - |
Arachis hypogaea | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| agmatine + H2O | Escherichia coli | - |
N-carbamoylputrescine + NH3 | - |
? | |
| agmatine + H2O | Zea mays | - |
N-carbamoylputrescine + NH3 | - |
? | |
| agmatine + H2O | Arachis hypogaea | - |
N-carbamoylputrescine + NH3 | - |
? | |
| agmatine + H2O | Helianthus annuus | - |
N-carbamoylputrescine + NH3 | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arachis hypogaea | - |
groundnut, L. cv Punjab-1 | - |
| Escherichia coli | - |
- |
- |
| Helianthus annuus | - |
- |
- |
| Zea mays | - |
- |
- |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
- |
Arachis hypogaea |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| cotyledon | - |
Arachis hypogaea | - |
| leaf | - |
Zea mays | - |
| leaf | - |
Arachis hypogaea | - |
| seed | - |
Zea mays | - |
| seedling | - |
Zea mays | - |
| seedling | - |
Helianthus annuus | - |
Specific Activity [micromol/min/mg]
| Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
|---|---|---|---|
| 0.135 | - |
- |
Arachis hypogaea |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| agmatine + H2O | - |
Escherichia coli | N-carbamoylputrescine + NH3 | - |
? | |
| agmatine + H2O | - |
Zea mays | N-carbamoylputrescine + NH3 | - |
? | |
| agmatine + H2O | - |
Arachis hypogaea | N-carbamoylputrescine + NH3 | - |
? | |
| agmatine + H2O | - |
Helianthus annuus | N-carbamoylputrescine + NH3 | - |
? | |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 55 | - |
retains 44% activity when exposed for 10 min, completely inactivated at 60°C under the same conditions | Arachis hypogaea |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5.5 | 8.5 | - |
Arachis hypogaea |
| 6.5 | 7.5 | - |
Zea mays |
Ki Value [mM]
| Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
|---|---|---|---|---|---|
| 2.5 | - |
tryptamine | - |
Arachis hypogaea | |
| 10 | - |
spermine | - |
Arachis hypogaea | |
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