Protocol Online logo
Top : Forum Archives: : Molecular Biology

promoter sequence - (Nov/21/2008 )

Hi,

How do I search for teh promoter sequence of my gene of interest. I know its genbank accession number and also its chromosome clone ID?

Thanks

-Sarwat-

QUOTE (Sarwat @ Nov 21 2008, 09:07 PM)
Hi,

How do I search for teh promoter sequence of my gene of interest. I know its genbank accession number and also its chromosome clone ID?

Thanks

Blast your cDNA sequence against the genome (NCBI genome blast).

Sequence before your cDNA sequence is promoter sequence.

Work with 1-2 kb upstream of tss (transcription start site) in the beginning, but also look up 5-10-20 kb away for important motifs/binding sites.

hth/

-cellcounter-