rSNP_Guide, a database system for analysis of transcription factor binding to target sequences: application to SNPs and site-directed mutations. - Julia V. Ponomarenko; Tatyana I. Merkulova; Gennady V. Vasiliev; Zoya B. Levashova; Galina Orlova; Sergey V. Lavryushev; Oleg N. Fokin; Mikhail P. Ponomarenko; Anatoly S. Frolov; Akinori Sarai (Nucleic Acids Res., 2001)