TY - JOUR T1 - PTM-Switchboard—a database of posttranslational modifications of transcription factors, the mediating enzymes and target genes JF - Nucleic acids researchNucleic Acids Research Y1 - 2009 A1 - Everett, L. A1 - Vo, A. A1 - Sridhar Hannenhalli PB - Oxford Univ Press VL - 37 ER -