... a(C6¢-N1¢-C2¢-C3¢), b(N1¢-C2¢-C3¢-N4¢), c(C2¢-C3 - N4¢-C5¢), d(C3¢-N4¢-C5¢-C6¢), e(N4¢-C5¢-C6¢-N1¢), n(C5¢-C6¢-N1¢-C2¢),v1(C8¢-C7¢-N4¢-C3¢), v2(N9 ⁄ N1-C8¢-C7¢-N4¢)andv3(C4 ⁄ C2-N9 ⁄N1-C8¢-C7¢). ... governed by six backbone torsion angles,a(C6¢-N1¢-C2¢-C3¢), b(N1¢-C2¢-C3¢-N4¢), c(C2¢-C3 - N4¢-C5¢), d(C3¢-N4¢-C5¢-C6 ¢), e(N4¢-C5¢-C6¢-N1¢) and f(C5¢-C6¢-N1¢-C2¢). These are found to be confined tothe ... of the Ki-ras proto-oncogene of wild type (wt) and mutated (mut) alleles. Bold-italicregions in both wild- type and mutated sequences represent the PNAÆDNA duplex. Mismatch (wild- type) and the...