Restriction enzymes

General information
Restriction enzymes are used for performing a restriction digest.

Comprehensive information can be found in REBASE. Neeraj Dhar's good cutter list is a list of enzymes which are particularly reliable and straightforwards.

This is another source of info on restricition enzymes. It's by the same people who provide REBASE, but in a different format:

Activity Chart for Restriction Enzymes

These wiki pages can contain people's experiences with using specific enzymes.