| Asociación Farmacéutica Mexicana |
| Sociedad Mexicana de Bioquímica |
| Instituto de Biotecnología (UNAM) |
| Sociedad Mexicana de Biotecnología y Bioingeniería (SMBB) |
| ESG Hypertextbook Home Page |
| Klotho Database of Three-Dimensional Structures of Small Molecules |
| IUPAC Chemical Nomenclature |
| Enzyme Nomenclature |
| DBGET/LinkDB Integrated database retrieval system |
| Chemfinder |
| BRENDA - The Comprehensive Enzyme Information System |
| Biochemical Pathways - Boehringer Mannheim |
| ExPASy - Enzyme Nomenclature Database |
| Protein Data Bank (PDB) |
| ExPASy - Molecular Biology Server |
| PROSITE: Database of protein families and domains |
| PFAM - The Pfam database of protein domains and HMMs |
| NCBI - National Center for Biotechnology Information |
| KEGG - Kyoto Encyclopedia of Genes and Genomes |
| PubMed Search |
| Entrez Protein Search |
| National Center for Genome Resources (NCGR) - Metabolic Pathways Database (PathDB) |
| EcoCyc and MetaCyc WWW Server: Encyclopedia of E. coli Genes and Metabolism & Metabolic Encyclopedia |
| The BioToolKit (web tools for the study of nucleic acid, genome, and protein structure) |
| Genbank |
| ARS Genome Database Resource |
| The Arabidopsis Information Resource (TAIR) |
| WWW Virtual Library : Genetics |
| University of Minnesota Computational Biology Centers Medical School |
| Maize Genome Database |
| Rice Genome Research Program |
| CyanoBase |
| Saccharomyces Genome Database |
| National Plant Germplasm System |
| The Virtual Plant Cell |
| The Tree of Life |
| Flowering Plant Gateway |
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The Families of Flowering Plants
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