Inhibitors | Comment | Organism | Structure |
---|---|---|---|
chloroalanine | substrate inhibition | Spinacia oleracea | |
L-cysteine | substrate inhibition | Spinacia oleracea | |
O-acetylserine | substrate inhibition | Spinacia oleracea | |
Sulfide | substrate inhibition | Spinacia oleracea |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.108 | - |
cysteine | pH 8.0, 26°C, cysteine synthase A | Spinacia oleracea | |
0.201 | - |
cysteine | pH 8.0, 26°C, cysteine synthase B | Spinacia oleracea | |
0.785 | - |
chloroalanine | pH 8.0, 26°C, cysteine synthase B | Spinacia oleracea | |
1.03 | - |
O-acetylserine | pH 8.0, 26°C, cysteine synthase B | Spinacia oleracea | |
1.053 | - |
chloroalanine | pH 8.0, 26°C, cysteine synthase A | Spinacia oleracea | |
1.355 | - |
O-acetylserine | pH 8.0, 26°C, cysteine synthase A | Spinacia oleracea |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Spinacia oleracea | - |
L. cv. Medina | - |
Purification (Comment) | Organism |
---|---|
isoenzyme A and B | Spinacia oleracea |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | - |
Spinacia oleracea | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
chloroalanine + sulfide | 3-6% of the activity of the cysteine synthase reaction | Spinacia oleracea | cysteine + chloride | - |
r | |
cysteine + CN- | - |
Spinacia oleracea | cyanoalanine + H2S | H2S i.e. bisulfide | ? | |
O-acetyl-L-Ser + H2S | - |
Spinacia oleracea | L-Cys + acetate | - |
r |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
9 | 11.5 | - |
Spinacia oleracea |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.8 | - |
chloroalanine | pH 9.8, 26 C, cysteine synthase B | Spinacia oleracea | |
1.135 | - |
chloroalanine | pH 9.8, 26 C, cysteine synthase A | Spinacia oleracea | |
2.074 | - |
L-cysteine | pH 8.0, 26 C, cysteine synthase A | Spinacia oleracea | |
2.113 | - |
cysteine | pH 8.0, 26 C, cysteine synthase B | Spinacia oleracea | |
5.546 | - |
chloroalanine | pH 8.0, 26 C, cysteine synthase B | Spinacia oleracea | |
19.56 | - |
O-acetylserine | pH 8.0, 26 C, cysteine synthase B | Spinacia oleracea | |
32.25 | - |
O-acetylserine | pH 8.0, 26 C, cysteine synthase A | Spinacia oleracea | |
70.92 | - |
chloroalanine | pH 8.0, 26 C, cysteine synthase A | Spinacia oleracea |