Assertion: free cysteine | /r/CapableOf | promote thiolate formation
Facets:
value: at the active site
type: LOCATION
Source sentences:
text: It is generally accepted that, because thiolates are far stronger nucleophiles than thiol groups, cysteine-based peroxidases should exhibit pvalues that are significantly lower than the value of 8.3−8.5 observed for free cysteine to promote thiolate formation at the active site (10) .