Transcription factor: XylR

Factor type NagC/XylR
SWISS-PROT P04788
SubtiList BG10806
Consensus seq. TTAGTTTGTTTAAACAACAAACTAA
Comment repressor of xylAB operon
exists upstream of the operon in the opposite direction
xylose is the only molecular inducer of the repressor
the operator seems to consists of two tandem oveerlapping operators spaced by 4bp (see M.K.Dahl et al., 1994)
Link toPhylogenetic profile

Regulated
gene
Operon Sigma Regulation Absolute position Location Binding seq.(cis-element) Exp. Reference Year
xylA xylA-xylB SigA Negative
+10? AAAATAAGTTAGTTTGTTTAAACAACAAACTAATAGGTGA
SDM GS FT Gartner D, et al.
1992
1988
xynP xynP-xynB SigA Negative
+10? GTCAAGTTAGTTTGTTTGATCAACAAACTAATGAAATG

Hastrup S. Genetics and biotechnology of Bacilli, vol.2 p.79- 1988




Copyright: Human Genome Center, Inst. Med. Sci., Univ. Tokyo; 1999-2004
Contact: knakai@ims.u-tokyo.ac.jp