Data Bases

Simple, Common, and Interesting Molecules
Java applet showing structures of molecules
(similar to the previous link, but with some different options)
Enzymes and their substrates
Ligand Chemical Database,
Combination of ENZYMES and COMPOUNDS
 
Enzyme Database (Brenda)
according to the EC numbers with the search possibility
Enzyme nomenclature database
Enzymes with a reaction scheme

Entrez - search & retrieval system with access to:
PubMed: The biomedical literature (PubMed)
Nucleotide sequence database (Genbank)
Protein sequence database
Structure: three-dimensional macromolecular structures
Genome: complete genome assemblies


DIELECTRIC CONSTANT REFERENCE GUIDES: 1 ; 2
Comprehensive Table of Spectroscopic Databases
- collection of links to many sites keeping different spectral data (compiled by H. Lohninger)

Elements Periodic Table on the World-Wide Web
Powerful web-site
Mendeleyev Periodic Table
Interactive Java applet
(updated & corrected on March 18, 2007)