Major Prokaryotic Sequence Databases

• DOE Joint Genome Institute (JGI)
• NCBI's Microbial Genomes
• NCBI' Bacterial Genomes FTP download site
• The Institute for Genomic Research (TIGR)
• The J. Craig Venter Institute
• The Wellcome Trust Sanger Institute (SANGER)
  

Navigating and Mining Genome Sequences

• Genomes Online (GOLD)
• JGI Integrated Microbial Genomes (IMG)
  
• Kyoto Encyclopedia of Genes and Genomes (KEGG)
• Microbial Genome Database for Comparative Analysis (MGGD)
  
• Regulatory Sequence Analysis Tools (RSAT)
• RhizoDB -xBASE

Horizontal Gene Transfer and Mobile Elements in Prokaryotes

• The Horizontal Transfer Database (HGT-DB)
• The Insertion Sequences Database (IS-DB)