Cloned (Comment) | Organism |
---|---|
isolation of cDNA clone from Citrullus vulgaris genetic library by complementation of a Cys- Escherichia coli strain JM 39/5, single copy gene, DNA and amino acid sequence determination | Citrullus lanatus subsp. vulgaris |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
CoA | - |
Citrullus lanatus subsp. vulgaris | |
L-cysteine | allosteric inhibition | Citrullus lanatus subsp. vulgaris | |
additional information | beta-(pyrazol-1-yl)-L-alanine has no inhibitory effect | Citrullus lanatus subsp. vulgaris |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.13 | - |
acetyl-CoA | - |
Citrullus lanatus subsp. vulgaris | |
0.59 | - |
L-serine | - |
Citrullus lanatus subsp. vulgaris |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
additional information | - |
multi-enzyme complex is formed between serine acetyltransferase and cysteine synthase possibly leading to metabolic channeling | Citrullus lanatus subsp. vulgaris |
450000 | 500000 | multienzyme complex of L-serine acetyltransferase and L-cysteine synthase, gel filtration | Citrullus lanatus subsp. vulgaris |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + L-serine | Citrullus lanatus subsp. vulgaris | regulatory role in cysteine biosynthesis | CoA + O-acetyl-L-serine | - |
ir | |
additional information | Citrullus lanatus subsp. vulgaris | multienzyme complex is formed between serine acetyltransferase and cysteine synthase possibly leading to metabolic channeling | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Citrullus lanatus subsp. vulgaris | - |
watermelon | - |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
hypocotyl | - |
Citrullus lanatus subsp. vulgaris | - |
additional information | accumulation in etiolated plants | Citrullus lanatus subsp. vulgaris | - |
seedling | hypocotyl of etiolated seedlings | Citrullus lanatus subsp. vulgaris | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
14.7 | - |
recombinant protein | Citrullus lanatus subsp. vulgaris |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
acetyl-CoA + L-serine | - |
Citrullus lanatus subsp. vulgaris | CoA + O-acetyl-L-serine | - |
? | |
acetyl-CoA + L-serine | regulatory role in cysteine biosynthesis | Citrullus lanatus subsp. vulgaris | CoA + O-acetyl-L-serine | - |
ir | |
additional information | multienzyme complex is formed between serine acetyltransferase and cysteine synthase possibly leading to metabolic channeling | Citrullus lanatus subsp. vulgaris | ? | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.6 | 8 | Tris-buffer | Citrullus lanatus subsp. vulgaris |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0037 | - |
L-cysteine | versus L-serine | Citrullus lanatus subsp. vulgaris | |
0.0056 | - |
L-cysteine | versus acetyl-CoA | Citrullus lanatus subsp. vulgaris | |
0.064 | - |
CoA | versus acetyl-CoA | Citrullus lanatus subsp. vulgaris |