http://www.ncbi.nlm.nih.gov/dbEST/index.html
dbEST is a National Center for Biotechnology Information (NCBI) resource, that contains sequence and mapping data on partial, 'single-pass' cDNA sequences or Expressed Sequence Tags. It is a division of NCBI's Genbank expressly for cDNA data. Users will find information on various methods for accessing dBest, and material on submitting data to the collection.