| Keywords | Database Description | Website |
| E.Coli | E.Coli Database | http://www.uni-giessen.de/~gx1052/IECA/ieca.html |
| online database for comparative genomics of E. coli and its relatives | http://colibase.bham.ac.uk/ | |
| List of E.Coli Database | http://ecoli.bham.ac.uk/index/dat.html | |
| Escherichia coli K-12 (strain MG1655) genome | http://genprotec.mbl.edu/ | |
| Encyclopedia of Escherichia coli K-12 Genes and Metabolism | http://ecocyc.org/ | |
| ASAP - A Systematic Annotation Package Community analysis of E. coli and related genomes | https://asap.ahabs.wisc.edu/annotation/php/ASAP1.htm | |
| Protein interaction database for E. coli | http://www.bacteriome.org/ | |
| CCDB - The CyberCell Database: E. coli database at U. Alberta | http://redpoll.pharmacy.ualberta.ca/CCDB | |
| Colibri: E. coli genome database at Institut Pasteur | http://genolist.pasteur.fr/Colibri/ | |
| EBI | European Bioinformatics Institute | http://www.ebi.ac.uk/Databases/ |
| Ecology | Fire Ecology Database | http://www.talltimbers.org/info/fedbintro.htm |
| Evolutionary Ecology Database | http://www.plantae.info/ | |
| Ecosystem | Ecosystem Database | http://ecomdb.niaes.affrc.go.jp/e_top_about.php |
| Terrestrial Ecosystem Database | http://www-cger.nies.go.jp/cger-e/db/enterprise/ecosystem/ecosystem_index_e.html | |
| Electron Density Map | Macro Molecular Structural Database | http://www.ebi.ac.uk/msd/Temblor/Temblor7.html |
| Electrophoresis | Two-Dimensional Electrophoresis Database of HSG cells proteins | http://hitech-d.iwate-med.ac.jp/biochem/biochem/kamo/index.html |
| Epilepsy | CarpeDB: A database on the genetics of epilepsy | http://www.carpedb.ua.edu/ |
| Embryonic Stem Cell | Human Embryonic Stem Cell Lines | http://www.stemcellcommunity.org/metadot/index.pl?id=2181 |
| Endogenous Retrovirus | Human Endogenous Retrovirus Database | http://herv.img.cas.cz/ |
| Endoplasmic reticulum | Database of endoplasmic reticulum resident proteins | http://www.mcb.mcgill.ca/~hera/ |
| ER-GolgiDB (a database of predicted ER and Golgi localization based on sequence homology) | http://cubic.bioc.columbia.edu/db/ERGolgiDB/ | |
| Endosymbiont | Drosophila Endosymbiont Database | http://flyendo.arl.arizona.edu/ |
| Enzyme | Enzyme nomenclature database | http://www.expasy.ch/enzyme/ |
| BRENDA: The Comprehensive Enzyme Information System | http://www.brenda.uni-koeln.de/ | |
| Enzyme Structures Database | http://www.biochem.ucl.ac.uk/bsm/enzymes/ | |
| The Restriction Enzyme Database | http://rebase.neb.com/rebase/rebase.html | |
| IntEnz (Integrated relational Enzyme database) | http://www.ebi.ac.uk/intenz/ | |
| The Enzyme Database | http://www.enzyme-database.org/ | |
| KEGG LIGAND Database | http://www.genome.ad.jp/ligand/ | |
| A Database of Enzyme Catalytic Mechanisms | http://mbs.cbrc.jp/EzCatDB/ | |
| Thermodynamics of Enzyme-Catalyzed Reactions | http://xpdb.nist.gov/enzyme_thermodynamics/ | |
| Carbohydrate-Active enzymes | http://www.cazy.org/ | |
| END: Enzyme Nomenclature Database | http://www.biocheminfo.org/end/ | |
| CSA (Catalytic Site Atlas): Enzyme active sites and catalytic residues in enzymes of known 3D structure | http://www.ebi.ac.uk/thornton-srv/databases/CSA/ | |
| Epigenetic | Chromatin Database | http://www.chromdb.org/beginners.html |
| Endoplasmic reticulum | Endoplasmic reticulum membrane database | http://opm.phar.umich.edu/localization.php?localization=Endoplasmic%20reticulum%20membrane |
| Eukaryotic | Eukaryotic Promoter Database | http://www.epd.isb-sib.ch/ |
| diArk: Database of eukaryotic sequencing projects | http://www.diark.org/ | |
| EST (Expressed Sequence Tags) | The Expressed Sequence Tags database contains sequence data | http://www.ncbi.nlm.nih.gov/dbEST/ |
| Pig Expressed Sequence Tags Database | http://pigest.genome.iastate.edu/ | |
| Coccolithophorids Expressed Sequence Tags (EST) & Microarray Database | http://bioinfo.csusm.edu/ | |
| Chicken EST database | http://www.chickest.udel.edu/ | |
| Phytopathogenic Fungi and Oomycete EST Database | http://cogeme.ex.ac.uk/ | |
| taxonomically broad EST database | http://tbestdb.bcm.umontreal.ca/searches/login.php | |
| Liver EST Database | http://lestdb.nhri.org.tw/ | |
| CR-EST - Crop ESTs: Barley, wheat, pea, and potato ESTs | http://pgrc.ipk-gatersleben.de/cr-est | |
| Evolution | Creation/Evolution Reference Database | http://www.baz.com/litm/CERD/ |
| Evolutionary Tree | Tree families database | http://www.treefam.org/ |
| Exon | Structural Exon Database | http://glinka.bio.neu.edu/SEDB/SEDB.html |
| Expasy | ExPASy (Expert Protein Analysis System) - UniProt Knowledgebase: Swiss-Prot and TrEMBL | http://expasy.org/sprot/ |
| Expression Database | Plant Ontology enhanced expression database | http://www.plexdb.org/plex.php?database=Barley |
| E. coli Gene Expression Database | http://chase.ou.edu/oubcf/ | |
| CleanEx: Expression reference database, linking heterogeneous expression data to facilitate cross-dataset comparisons | http://www.cleanex.isb-sib.ch/ |
