Welcome to ChoanoBase, where you can perform BLAST searches on ESTs generated from two choanoflagellate species:
Monosiga brevicollis and Proterospongia-like sp. ATCC50818.

To search the EST databases:
1) enter your sequence data below (cut/paste or upload using the browse button)
2) select the appropriate program (blastn or tblastx)
3) select the database (Monosiga or Proterospongia)
4) click "search"

Downloads of EST databases are available by clicking Monosiga or Proterospongia.

Evolution of Key Cell Signaling and Adhesion Protein Families
Predates Animal Origins
Nicole King, Christopher T. Hittinger, and Sean B. Carroll
Science Jul 18 2003: 361-363.

Choose program to use and database to search:

Program Database

Enter here your input data as   

Or load it from disk

Please read about FASTA format description

The query sequence is filtered for low complexity regions by default.
Filter Low complexity Mask for lookup table only

Expect    Matrix Perform ungapped alignment

Query Genetic Codes (blastx only)
Frame shift penalty for blastx

Limit search to results of Entrez query

Other advanced options:        Show Tax Blast reports

   NCBI-gi      Graphical Overview    Alignment view
Descriptions    Alignments Color schema

Comments and suggestions to: nking@berkeley.edu
Last modified: Dec 9, 2004