ID   6.3.2.29
DE   Cyanophycin synthase (L-aspartate-adding).
AN   Cyanophycin synthetase.
AN   Multi-L-arginyl-poly-L-aspartate synthase.
CA   ATP + (L-Asp(4-L-Arg))(n) + L-Asp = ADP + phosphate + (L-Asp(4-L-
CA   Arg))(n)-L-Asp.
CF   Magnesium.
CC   -!- Both this enzyme and EC 6.3.2.30 are required for the elongation of
CC       cyanophycin, which is a protein-like cell inclusion that is unique to
CC       cyanobacteria and acts as a temporary nitrogen store.
CC   -!- Both enzymes are found in the same protein but have different active
CC       sites.
CC   -!- Both L-Asp and L-Arg must be present before either enzyme will
CC       display significant activity.
DR   P58572, CPHA_ANASP ;  O86109, CPHA_ANAVT ;  Q9KGY4, CPHA_CYAA5 ;
DR   P73833, CPHA_SYNY3 ;  P56947, CPHA_SYNY8 ;
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