First merge the blast files (on linux): cat blastdb.tar.part_? > blastdb.tar then unpack blastdb.tar by tar xvf blastdb.tar BLAST searches of clusters and singletons in the format: "query-sbjct.blast.gz" Uniprot: (As of 2005-07-17) distiller_clusters-sp_uni.blast.gz distiller_singletons-sp_uni.blast.gz Rfam (As of 2005-06-20): distiller_clusters-Rfam_full.blast.gz distiller_singletons-Rfam_full.blast.gz RNAdb (As of 2005-06-22): distiller_clusters-RNAdb.asoverlaps.blast.gz distiller_clusters-RNAdb.chr7.blast.gz distiller_clusters-RNAdb.combinedlit.blast.gz distiller_clusters-RNAdb.fantom2.blast.gz distiller_clusters-RNAdb.hinv.blast.gz distiller_singletons-RNAdb.asoverlaps.blast.gz distiller_singletons-RNAdb.chr7.blast.gz distiller_singletons-RNAdb.combinedlit.blast.gz distiller_singletons-RNAdb.fantom2.blast.gz distiller_singletons-RNAdb.hinv.blast.gz microRNA (mirBASE 7.0): distiller_clusters-mirna_pre.blast.gz distiller_singletons-mirna_pre.blast.gz fantom3 (non-coding): cluster_seqs.fasta.fantom3_noncoding.fa.gz singleton_seqs.fasta.fantom3_noncoding.fa.gz