Organism
Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)
Function
Exopeptidase that catalyzes the hydrolytic cleavage of multi-L-arginyl-poly-L-aspartic acid (cyanophycin; a water-insoluble reserve polymer) into aspartate-arginine dipeptides.
Similarity
Belongs to the peptidase S51 family.
Sequence
MAPKVVDRRNTMPQLQAKSLEMRTPQATKTAVLVIGGAEDKVHGREILRTFFGRAGASKAYITIIPSASREPAIIGGRYIRIFEEMGAEKVEILDIREREQCESSQVKASLEACSGVFLTGGDQLRLCGVLSDTPVMEIIRQRVRGGQLTLAGTSAGAAVMGHHMIAGGGSGETPNRSLVDMATGLGLIPEVIVDQHFHNRNRMGRLISAVAAHPDRLGIGIDEDTCAVFERDGWLQVLGKGSVTIVDPTELTHTNEPHVGANEPLTVHNLRLHILSYGDRFHLYQRTVLPAVHRISS