Cloned (Comment) | Organism |
---|---|
expression in Escherichia coli BL21(DE3) | Trichormus variabilis ATCC 29413 |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.015 | - |
L-Arg | 28°C, pH 8.2 | Trichormus variabilis ATCC 29413 |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
[L-Asp(4-L-Arg)]n + L-Asp + ATP | Trichormus variabilis ATCC 29413 | a small amount of cyanophycin is required as a primer | [L-Asp(4-L-Arg)]n-Asp + ADP + phosphate | no formation of AMP, [L-Asp(4-L-Arg)]n-Asp is the substrate for the second reaction catalysed by cyanophycin synthase, EC 6.3.2.30 | ? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Trichormus variabilis ATCC 29413 | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Trichormus variabilis ATCC 29413 |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
ATP + [L-Asp(4-L-Arg)]n + L-Asp = ADP + phosphate + [L-Asp(4-L-Arg)]n-L-Asp | i.e. the second reaction of cyanophycin synthesis catalysed by cyanophycin synthase, the first reaction is catalysed by the enzyme's other active centre | Trichormus variabilis ATCC 29413 |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + [L-Asp(4-L-Arg)]3-L-Asp + L-Arg | - |
Trichormus variabilis ATCC 29413 | ADP + phosphate + [L-Asp(4-L-Arg)]4 + L-Asp | - |
? | |
ATP + [L-Asp(4-L-Arg)]n + L-Asp | [L-Asp(4-L-Arg)]n-Asp is a cyanophycin molecule with a C-terminal L-Asp residue that is not linked to an L-Arg residue via its beta-carboxy group, this intermediate is produced in the first reaction catalysed by cyanophycin synthase | Trichormus variabilis ATCC 29413 | ADP + phosphate + [L-Asp(4-L-Arg)]n-L-Asp | no formation of AMP | ? | |
L-aspartic acid + ATP | - |
Trichormus variabilis ATCC 29413 | poly-L-aspartic acid + ADP + phosphate | - |
? | |
additional information | no product is formed if the peptide primer is blocked at the C-terminus or if L-arginine is solely supplied as substrate | Trichormus variabilis ATCC 29413 | ? | - |
? | |
[L-Asp(4-L-Arg)]n + L-Asp + ATP | a small amount of cyanophycin is required as a primer | Trichormus variabilis ATCC 29413 | [L-Asp(4-L-Arg)]n-Asp + ADP + phosphate | no formation of AMP, [L-Asp(4-L-Arg)]n-Asp is the substrate for the second reaction catalysed by cyanophycin synthase, EC 6.3.2.30 | ? |
Synonyms | Comment | Organism |
---|---|---|
CphA | - |
Trichormus variabilis ATCC 29413 |
cyanophycin synthetase | - |
Trichormus variabilis ATCC 29413 |