






                                            TABLE








                    Cartesian and cylindrical polar coordinates of atoms in           

                    a nucleotide of Beta-H-poly d(A).poly d(U).  Successive           

                    nucleotides can be generated by adding multiples of               

                    36.0 degrees to phi and the same multiple of 0.320nm to z.        
1




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


            PHOSPHATE   P        0.2212    0.9568    0.2641    0.9820     76.98
                        O1       0.1224    1.0078    0.1664    1.0152     83.07
                        O2       0.2845    1.0581    0.3514    1.0957     74.95
                        O3       0.1537    0.8430    0.3542    0.8569     79.67
                        O5       0.3344    0.8736    0.1876    0.9354     69.05


            SUGAR       C1       0.3562    0.5080    0.0798    0.6205     54.96
                        C2       0.3879    0.6155   -0.0237    0.7275     57.78
                        C3       0.5063    0.6753    0.0522    0.8440     53.14
                        C4       0.4622    0.6681    0.1984    0.8124     55.33
                        C5       0.4319    0.8010    0.2648    0.9101     61.67
                        O4       0.3432    0.5841    0.1989    0.6775     59.56
                        H1       0.4388    0.4371    0.0850    0.6194     44.89
                        H12      0.3082    0.6895   -0.0309    0.7552     65.92
                        H22      0.4228    0.5723   -0.1175    0.7116     53.54
                        H3       0.5325    0.7781    0.0271    0.9428     55.61
                        H4       0.5374    0.6148    0.2565    0.8166     48.84
                        H15      0.5235    0.8597    0.2720    1.0066     58.66
                        H25      0.3932    0.7835    0.3652    0.8767     63.35


            ADENINE     N1       0.1390    0.0476    0.0095    0.1470     18.92
                        C2       0.2646    0.0851    0.0334    0.2780     17.84
                        N3       0.3134    0.2061    0.0505    0.3750     33.33
                        C4       0.2159    0.2988    0.0408    0.3687     54.15
                        C5       0.0835    0.2759    0.0168    0.2882     73.16
                        C6       0.0437    0.1422    0.0004    0.1488     72.92
                        N6      -0.0829    0.1051   -0.0237    0.1339    128.25
                        N7       0.0133    0.3955    0.0137    0.3958     88.08
                        C8       0.1039    0.4857    0.0356    0.4966     77.92
                        N9       0.2293    0.4346    0.0530    0.4914     62.18
                        H2       0.3312    0.0108    0.0392    0.3314      1.86
                        H16     -0.1054    0.0083   -0.0346    0.1058    175.49
                        H26     -0.1548    0.1743   -0.0308    0.2331    131.61
                        H8       0.0838    0.5835    0.0394    0.5895     81.83


            --------------------------------------------------------------------
1




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


            PHOSPHATE   P        0.0167   -0.9736   -0.2243    0.9738    -89.02
                        O1      -0.0955   -0.9738   -0.1277    0.9785    -95.60
                        O2       0.0564   -1.1057   -0.2780    1.1071    -87.08
                        O3       0.5004   -0.7172   -0.0254    0.8745    -55.10
                        O5       0.1438   -0.9019   -0.1588    0.9133    -80.94


            SUGAR       C1       0.2617   -0.5456   -0.0747    0.6051    -64.38
                        C2       0.2793   -0.6485    0.0364    0.7061    -66.70
                        C3       0.3632   -0.7527   -0.0375    0.8358    -64.24
                        C4       0.3213   -0.7390   -0.1838    0.8058    -66.50
                        C5       0.2517   -0.8595   -0.2441    0.8956    -73.67
                        O4       0.2316   -0.6243   -0.1889    0.6659    -69.65
                        H1       0.3545   -0.4900   -0.0878    0.6048    -54.12
                        H12      0.1828   -0.6918    0.0631    0.7155    -75.20
                        H22      0.3377   -0.6059    0.1180    0.6937    -60.87
                        H3       0.3494   -0.8559   -0.0052    0.9245    -67.80
                        H4       0.4082   -0.7132   -0.2443    0.8217    -60.21
                        H15      0.3233   -0.9409   -0.2554    0.9949    -71.04
                        H25      0.2123   -0.8333   -0.3423    0.8599    -75.71


            URACIL      N1       0.1496   -0.4503   -0.0509    0.4745    -71.63
                        C2       0.1817   -0.3171   -0.0417    0.3654    -60.19
                        O2       0.2958   -0.2755   -0.0521    0.4043    -42.97
                        N3       0.0753   -0.2318   -0.0196    0.2438    -72.01
                        C4      -0.0572   -0.2680   -0.0063    0.2740   -102.05
                        O4      -0.1439   -0.1825    0.0132    0.2324   -128.25
                        C5      -0.0810   -0.4100   -0.0175    0.4179   -101.17
                        C6       0.0206   -0.4951   -0.0389    0.4955    -87.61
                        H3       0.0964   -0.1343   -0.0125    0.1653    -54.35
                        H5      -0.1742   -0.4453   -0.0091    0.4782   -111.36
                        H6       0.0019   -0.5930   -0.0463    0.5930    -89.82


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