ENZYME (Enzyme nomenclature database)
Enzyme Structures Database
PROCAT (3D enzyme active site database)
REBASE (Restriction Enzyme Database)
EC Enzyme Database
Enzyme Database
BRENDA
LIGAND (Database for enzymes, compounds, and reactions)
PROLYSIS
Multi-cut (Data Base of Restriction Endonuclease Buffers)
Endoproteases/Exopeptidases
PROWL (EC Enzyme Classification Page)
EC Enzyme Database Search
Web database enzyme classification
Restriction Enzyme Analysis - Tongjia Yin
TACG: Restriction Enzyme analysis (Mangalam)
Restriction Enzyme Site Mapper