Pscan was recommended to do TF enrichment previously. RefSeq (for human, mouse, and drosophila, e.g. NM_000546) in one of the acceptable identifiers. I have a list of genes in a non-model organism, and want to find their RefSeq homologues in drosophila through BLAST. The problem is that I have to map my genes only to drosophila genes rather than other species in RefSeq. It seems that the genomic sequences from different species were packed together in NCBI RefSeq. Is there a separate RefSeq database for drosophila? Or can I carry out BLAST only against drosophila sequences in RefSeq database? Thanks!
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