Figure 4From: GraphDNA: a Java program for graphical display of DNA composition analysesPanels A, B, C, D and E show keto, GA, AT, AC and purine skews for Transmissible gastroenteritis virus strain Purdue (Group 1; NC_002306), Murine hepatitis virus strain 2 (Group 2; AF201929), Avian infectious bronchitis virus strain Beaudette (Group 3; NC_001451) and SARS coronavirus strain Tor2 (NC_004718), respectively.Back to article page