DDBJ added PRF (Protein Research Foundation)/SEQ database to DDBJ search services (fasta, blast, psi-blast, ssearch and getentry) as a target database. PRF/SEQ database Rel. 81 is available now. Rel. 81 consists of 177,941 entries, and the total number of residues is 64,250,763 aa.
* PRF/SEQ database consists of amino acid sequences of peptides and proteins, including sequences deduced from genes collected by Protein Research Foundation.