Linked from
The 36 pages that link to Enzyme catalysis, each with the reason it gives.
AmylaseNarrower topic: Amylase speeds starch hydrolysis without being consumed.
NeuraminidaseNarrower topic: Neuraminidase is a catalyst that speeds sialic-acid cleavage.
ATPaseNarrower topic: ATPases lower the activation barrier for ATP hydrolysis.
John CornforthNarrower topic: His work gave enzyme catalysis a precise stereochemical description.