*  RCSB PDB - EVP Ligand Summary Page
The PDB archive contains information about experimentally-determined structures of proteins, nucleic acids, and complex assemblies. As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists.
http://www.rcsb.org/ligand/EVP
*  RCSB PDB - Ligand Summary Page
Acarbose reversibly bind to pancreatic alpha-amylase and membrane-bound intestinal alpha-glucoside hydrolases. These enzymes ...
http://www.rcsb.org/pdb/ligand/ligandsummary.do?handler=biologyChemistry&hetId=ACR