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Information on EC 6.3.2.30 - cyanophycin synthase (L-arginine-adding)

for references in articles please use BRENDA:EC6.3.2.30
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IUBMB Comments
Requires Mg2+ for activity. Both this enzyme and EC 6.3.2.29, cyanophycin synthase (L-aspartate-adding), are required for the elongation of cyanophycin, which is a protein-like cell inclusion that is unique to cyanobacteria and acts as a temporary nitrogen store . Both enzymes are found in the same protein but have different active sites [2,4]. Both L-Asp and L-Arg must be present before either enzyme will display significant activity . Canavanine and lysine can be incoporated into the polymer instead of arginine .
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The enzyme appears in viruses and cellular organisms
Synonyms
cyanophycin synthetase, cpha1, cpha2, cpha49, tlr2170 protein, cphane1, cgp synthetase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + [L-Asp(4-L-Arg)]n-L-Asp + L-Arg = ADP + phosphate + [L-Asp(4-L-Arg)]n+1
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PATHWAY SOURCE
PATHWAYS
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