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EC Number
Posttranslational Modification
Commentary
Reference
3.4.21.19
proteolytic modification
proteolytic modification of native precursor results in a 25 kDa protein. Recombinant expression of enzyme in Escherichia coli with subsequent renaturation of inclusion bodies results in a 26 kDa protein that is converted to 25 kDa mature protein by limited proteolysis trypsin or subtilisin. Clomplete cleavage of N-terminal pro-peptide is necessary for final packing and activation of enzyme
667840
3.4.21.19
proteolytic modification
proteolytic modification of zymogen dependent on the presence of gelatinase. In absence of gelatinase, maturation to different isoforms including a highly active isoform -1S-SprE with protein sequence Ser-1 to Glu227
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669095
3.4.21.19
proteolytic modification
upon thermolysin treatment the 44 kDa protein is converted to a 42 kDa species and, finally, to 38 and 40 kDa species, degradation of C-terminus at the Glu279-Asp280 bond is suspected to be a result from autoproteolysis
679805
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