Supplementary Data for: Investigation of DNA sequence recognition by a streptomycete MarR family transcriptional regulator through surface plasmon resonance and X-ray crystallography Clare E. M. Stevenson 1* , Aoun Assaad 1 , Govind Chandra 2 , Tung B. K. Le 2 , Sandra J. Greive 1 , Mervyn J. Bibb 2 , and David M. Lawson 1* 1 Department of Biological Chemistry, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK 2 Department of Molecular Microbiology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK * To whom correspondence should be addressed. David M Lawson, Tel: +44 1603 450725; Fax: +44 1603 450018; email: david.lawson@jic.ac.uk. Correspondence may also be addressed to Clare E. M. Stevenson, Tel: +44 1603 450734; Fax: +44 1603 450018; email: clare.stevenson@jic.ac.uk Present addresses: Tung B. Le, Massachusetts Institute of Technology, Department of Biology, 68-570, 77 Massachusetts Avenue, Cambridge, MA 02139. USA Sandra J. Greive, York Structural Biology Laboratory, Department of Chemistry, University of York, York, YO10 5DD, UK