Assertion: cysteine | /r/HasProperty | chelated to active site zinc
Facets:
Source sentences:
text: These data are not consistent with the existence of cysteine chelated to the active site zinc as a primary regulator of proMMP-3 latency, and these investigators speculated that the crucial effect of the chemical activators of MMPs is the disruption of a salt bridge between other amino acids of the pro-piece and the active portion of the molecule (Galazka et al., 1996).