






                                            TABLE








                 Cartesian and cylindrical polar coordinates of atoms in a            

              nucleotide in C-DNA.  The coordinates of the diadically related         

              nucleotide in the antiparallel chain are given by r, -phi, -z.          

              Successive nucleotides can be generated by adding multiples             

              of 38.6 degrees to phi and the same multiple of 0.3310 nm to z.         
1




            --------------------------------------------------------------------
             Group      Atom      x(nm)     y(nm)     z(nm)     r(nm)   phi(deg)
            --------------------------------------------------------------------


            PHOSPHATE   P       -0.1599    0.8536    0.2556    0.8684    100.61
                        O1      -0.2777    0.8154    0.1746    0.8614    108.81
                        O2      -0.1196    0.9958    0.2482    1.0030     96.85
                        O3      -0.1842    0.8126    0.4084    0.8332    102.77
                        O5      -0.0355    0.7605    0.2173    0.7613     92.67


            SUGAR       C1       0.1601    0.5294    0.0792    0.5531     73.17
                        C2       0.1463    0.6663    0.0136    0.6822     77.62
                        C3       0.2244    0.7557    0.1099    0.7883     73.46
                        C4       0.1951    0.6923    0.2459    0.7193     74.26
                        C5       0.0684    0.7392    0.3147    0.7424     84.71
                        O4       0.1834    0.5498    0.2177    0.5796     71.55


            ADENINE     N1      -0.0131    0.0511    0.0087    0.0528    104.37
                        C2       0.1095    0.1023    0.0181    0.1499     43.06
                        N3       0.1461    0.2273    0.0364    0.2702     57.26
                        C4       0.0384    0.3079    0.0458    0.3103     82.89
                        C5      -0.0929    0.2714    0.0384    0.2869    108.89
                        C6      -0.1189    0.1338    0.0185    0.1790    131.62
                        N6      -0.2425    0.0829    0.0092    0.2563    161.14
                        N7      -0.1750    0.3825    0.0526    0.4206    114.59
                        C8      -0.0921    0.4810    0.0680    0.4897    100.84
                        N9       0.0391    0.4436    0.0650    0.4453     84.96


            GUANINE     N1      -0.0078    0.0535    0.0092    0.0541     98.33
                        C2       0.1214    0.1012    0.0182    0.1581     39.82
                        N2       0.2185    0.0103    0.0070    0.2187      2.69
                        N3       0.1508    0.2298    0.0368    0.2748     56.73
                        C4       0.0394    0.3072    0.0457    0.3097     82.69
                        C5      -0.0924    0.2687    0.0380    0.2842    108.98
                        C6      -0.1238    0.1318    0.0182    0.1808    133.22
                        O6      -0.2341    0.0787    0.0087    0.2470    161.42
                        N7      -0.1766    0.3790    0.0521    0.4181    114.98
                        C8      -0.0938    0.4795    0.0677    0.4886    101.07
                        N9       0.0391    0.4436    0.0650    0.4453     84.96


            THYMINE     N1       0.0391    0.4436    0.0650    0.4453     84.96
                        C2       0.0597    0.3090    0.0464    0.3147     79.06
                        O2       0.1708    0.2591    0.0413    0.3103     56.60
                        N3      -0.0547    0.2328    0.0336    0.2391    103.22
                        C4      -0.1847    0.2788    0.0378    0.3344    123.53
                        O4      -0.2794    0.2007    0.0252    0.3440    144.30
                        C5      -0.1961    0.4214    0.0577    0.4648    114.96
                        ME      -0.3342    0.4798    0.0636    0.5847    124.86
                        C6      -0.0865    0.4979    0.0704    0.5054     99.86


            CYTOSINE    N1       0.0391    0.4436    0.0650    0.4453     84.96
                        C2       0.0583    0.3070    0.0461    0.3125     79.25
                        O2       0.1738    0.2630    0.0419    0.3152     56.54
                        N3      -0.0507    0.2271    0.0329    0.2327    102.58
                        C4      -0.1741    0.2787    0.0380    0.3286    122.00
                        N4      -0.2772    0.1966    0.0246    0.3398    144.65
                        C5      -0.1960    0.4190    0.0574    0.4626    115.07
                        C6      -0.0858    0.4971    0.0703    0.5044     99.79


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