The Clostridium difficile 630 genome is 4.30 Million bp long and contains approximately 3981 predicted genes.equencing: The sequence was released 09/20/2006 by the Welcome Trust Sanger Institute, and was described in Nat Genet 38 :779-86 (2006) Sebaihia M, Wren BW, Mullany P, Fairweather NF, Minton N, et al. .. The multidrug-resistant human pathogen Clostridium difficile has a highly mobile, mosaic genome. .