transcription factor binding sites software?

[Eckhard Boles]

Does anybody know of a software tool or an access to a database with 
yeast transcription factor binding sites, or a program for the detection 
of consensus matches in DNA sequences recognised by yeast transcription 
factors.

Many thanks for your help.
Eckhard


Dr. Eckhard Boles
Institut fuer Mikrobiologie
Universitaet Duesseldorf
Germany
boles at uni-duesseldorf.de