






                                            TABLE








                 Cartesian and cylindrical polar coordinates of atoms in a            

              dinucleotide in the D-form of poly d(IC). poly d(IC).  The              

              coordinates of the diadically related dinucleotide in the               

              antiparallel chain are given by r, -phi, -z.  Successive                

              dinucleotides can be generated by adding multiples of 90.0              

              degrees to phi and the same multiple of 0.6125 nm to z.                 
1




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


            PHOSPHATE   P       -0.5773    0.6141    0.5255    0.8428    133.23
                        O1      -0.6290    0.7258    0.6077    0.9604    130.91
                        O2      -0.6683    0.5632    0.4205    0.8740    139.88
                        O3      -0.5325    0.4936    0.6207    0.7261    137.17
                        O5      -0.4376    0.6560    0.4597    0.7886    123.71


            SUGAR       C1      -0.1794    0.4531    0.3244    0.4873    111.60
                        C2      -0.2138    0.5804    0.2478    0.6185    110.22
                        C3      -0.1594    0.6826    0.3476    0.7010    103.15
                        C4      -0.1986    0.6243    0.4834    0.6552    107.65
                        C5      -0.3247    0.6811    0.5456    0.7545    115.49
                        O4      -0.2112    0.4812    0.4598    0.5255    113.70
                        H1      -0.0731    0.4316    0.3133    0.4377     99.62
                        H12     -0.1567    0.5860    0.1552    0.6066    104.97
                        H22     -0.3219    0.5919    0.2392    0.6738    118.53
                        H3      -0.2104    0.7778    0.3327    0.8058    105.14
                        H4      -0.1155    0.6354    0.5530    0.6459    100.31
                        H15     -0.3131    0.7885    0.5599    0.8484    111.66
                        H25     -0.3425    0.6357    0.6431    0.7221    118.31


            CYTOSINE    N1      -0.2588    0.3344    0.2819    0.4228    127.74
                        C2      -0.1894    0.2180    0.2499    0.2888    130.98
                        O2      -0.0660    0.2180    0.2578    0.2278    106.84
                        N3      -0.2599    0.1087    0.2109    0.2817    157.31
                        C4      -0.3936    0.1127    0.2035    0.4094    164.01
                        N4      -0.4577    0.0035    0.1651    0.4577    179.56
                        C5      -0.4668    0.2315    0.2361    0.5211    153.62
                        C6      -0.3945    0.3396    0.2748    0.5206    139.28
                        H14     -0.4064   -0.0792    0.1424    0.4140   -168.97
                        H24     -0.5575    0.0038    0.1587    0.5575    179.61
                        H5      -0.5666    0.2346    0.2306    0.6133    157.51
                        H6      -0.4418    0.4245    0.2984    0.6127    136.14


            PHOSPHATE   P        0.0544    0.8226    0.2969    0.8243     86.22
                        O1       0.1122    0.8864    0.4172    0.8935     82.79
                        O2      -0.0388    0.9058    0.2176    0.9066     92.46
                        O3      -0.0176    0.6857    0.3381    0.6860     91.47
                        O5       0.1721    0.7692    0.2026    0.7882     77.38


            SUGAR       C1       0.2191    0.4819    0.0073    0.5293     65.55
                        C2       0.2744    0.6108   -0.0524    0.6696     65.81
                        C3       0.3934    0.6276    0.0420    0.7407     57.92
                        C4       0.3348    0.5914    0.1785    0.6796     60.48
                        C5       0.2876    0.7080    0.2631    0.7642     67.89
                        O4       0.2260    0.4995    0.1479    0.5483     65.66
                        H1       0.2809    0.3978   -0.0242    0.4870     54.77
                        H12      0.3105    0.5945   -0.1540    0.6707     62.42
                        H22      0.2048    0.6935   -0.0382    0.7231     73.55
                        H3       0.4248    0.7320    0.0424    0.8463     59.87
                        H4       0.4074    0.5326    0.2347    0.6706     52.59
                        H15      0.3676    0.7816    0.2714    0.8637     64.81
                        H25      0.2614    0.6709    0.3622    0.7200     68.71


            INOSINE     N1      -0.1167    0.1328   -0.1338    0.1768    131.31
                        C2       0.0160    0.1204   -0.1072    0.1215     82.43
                        N3       0.0943    0.2184   -0.0711    0.2379     66.65
                        C4       0.0281    0.3356   -0.0628    0.3367     85.21
                        C5      -0.1039    0.3592   -0.0870    0.3739    106.13
                        C6      -0.1897    0.2511   -0.1267    0.3147    127.07
                        O6      -0.3095    0.2532   -0.1524    0.3999    140.72
                        N7      -0.1335    0.4924   -0.0675    0.5102    105.18
                        C8      -0.0167    0.5458   -0.0317    0.5461     91.75
                        N9       0.0770    0.4553   -0.0289    0.4618     80.41
                        H1      -0.1660    0.0500   -0.1606    0.1734    163.23
                        H2       0.0567    0.0295   -0.1161    0.0639     27.49
                        H8      -0.0035    0.6425   -0.0100    0.6425     90.31


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