Nucleic acid sequence Maximum Likelihood method, version 3.6b Empirical Base Frequencies: A 0.24736 C 0.24763 G 0.25665 T(U) 0.24836 Transition/transversion ratio = 0.500000 +------------mutF +-----------4 +-------------------------3 +---------------------mutE | | | +---------------------mutD | | +--------------mutB 2-----1 | +--------------mutC | +---------------mutA remember: this is an unrooted tree! Ln Likelihood = -14700.97397 Between And Length Approx. Confidence Limits ------- --- ------ ------- ---------- ------ 2 mutA 0.51682 ( 0.43298, 0.60164) ** 2 3 0.87285 ( 0.66667, 1.07938) ** 3 4 0.40105 ( 0.26559, 0.53643) ** 4 mutF 0.40775 ( 0.32385, 0.49173) ** 4 mutE 0.71276 ( 0.61744, 0.80808) ** 3 mutD 0.71304 ( 0.57834, 0.84781) ** 2 1 0.19309 ( 0.11005, 0.27613) ** 1 mutB 0.49728 ( 0.42641, 0.56821) ** 1 mutC 0.51461 ( 0.44267, 0.58651) ** * = significantly positive, P < 0.05 ** = significantly positive, P < 0.01