Activating Compound | Comment | Organism | Structure |
---|---|---|---|
5-hydroxytryptophan | activates, best at 0.1 mM | Clarias gariepinus | |
leptin | increases enzyme activity only in fed fish not in fasted fish, independently of the seasons | Clarias gariepinus | |
Melatonin | activates, best at 0.1 mM | Clarias gariepinus | |
N-acetylserotonin | activates, best at 0.1 mM | Clarias gariepinus | |
serotonin | activates, best at 0.1 mM | Clarias gariepinus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + tryptamine | Clarias gariepinus | - |
CoA + N-acetyltryptamine | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Clarias gariepinus | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
pineal gland | from fish in different phases of the annual breeding cycle, and pineal organ culture | Clarias gariepinus | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.000027 | - |
enzyme activity on pineal in pineal gland from quiescent phase, pH 6.5, 25°C | Clarias gariepinus |
0.000036 | - |
enzyme activity on pineal in pineal gland from progressive phase, pH 6.5, 25°C | Clarias gariepinus |
0.000039 | - |
enzyme activity on pineal in pineal gland from breeding phase, pH 6.5, 25°C | Clarias gariepinus |
0.000043 | - |
enzyme activity on pineal in pineal gland from regressive phase, pH 6.5, 25°C | Clarias gariepinus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + tryptamine | - |
Clarias gariepinus | CoA + N-acetyltryptamine | - |
? |
Synonyms | Comment | Organism |
---|---|---|
AA-NAT | - |
Clarias gariepinus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
25 | - |
assay at | Clarias gariepinus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
assay at | Clarias gariepinus |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
acetyl-CoA | - |
Clarias gariepinus |
General Information | Comment | Organism |
---|---|---|
metabolism | arylalkylamine N-acetyltransferase is the rate-limiting enzyme of the melatonin biosynthesis pathway | Clarias gariepinus |