Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | weak | Streptomyces roseus | |
Mn2+ | weak | Streptomyces roseus | |
N-ethylmaleimide | strong | Streptomyces roseus | |
p-chloromercuribenzoate | strong | Streptomyces roseus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.005 | - |
acetyl-CoA | - |
Streptomyces roseus | |
0.06 | - |
L-leucine | - |
Streptomyces roseus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | slight stimulation | Streptomyces roseus | |
Fe2+ | stimulates strongly | Streptomyces roseus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
27000 | - |
gel filtration | Streptomyces roseus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + L-leucine | Streptomyces roseus | - |
CoA + N-acetyl-L-leucine | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Streptomyces roseus | - |
strain MA839-A1, also present in strain MA839-A1 LN-S | - |
Purification (Comment) | Organism |
---|---|
partial | Streptomyces roseus |
Storage Stability | Organism |
---|---|
-180°C, 3 months, 70% remaining activity | Streptomyces roseus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + L-arginine | - |
Streptomyces roseus | CoA + ? | - |
? | |
acetyl-CoA + L-leucine | - |
Streptomyces roseus | CoA + N-acetyl-L-leucine | - |
? | |
acetyl-CoA + L-phenylalanine | - |
Streptomyces roseus | CoA + N-acetyl-L-phenylalanine | - |
? | |
acetyl-CoA + L-valine | - |
Streptomyces roseus | CoA + N-acetyl-L-valine | - |
? | |
additional information | dipeptides, e.g. L-leucyl-L-leucine, are acetylated more rapidly than L-leucine or peptides with more than two amino acids, D-isomers are acetylated more slowly than L-isomers | Streptomyces roseus | ? | - |
? | |
propionyl-CoA + L-leucine | 10% of activity compared to acetyl-CoA | Streptomyces roseus | CoA + propionyl-L-leucine | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
27 | - |
assay at | Streptomyces roseus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
9 | - |
assay at | Streptomyces roseus |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7 | 9 | 10% of maximal activity at pH 7, maximal activity at pH 9 | Streptomyces roseus |