Assertion: sulfa drug's sulfonamide group | /r/CapableOf | bind to the zn2+ metal center of ca
Facets:
value: directly
type: MANNER
Source sentences:
text: Although none of the compounds tested here contained a free sulfonamide group (SO 2 NH 2 ), which is the typical zinc binding function that binds directly to the Zn2+ metal center of CA, still all compounds were able to inhibit this enzyme.