






                                            TABLE








                 Cartesian and cylindrical polar coordinates of atoms in a            

              nucleotide in the symmetric C-form of poly d(GGT). poly d(ACC).         

              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 40.0                

              degrees to phi and the same multiple of 0.3312 nm to z.                 
1




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


            PHOSPHATE   P       -0.3195    0.7861    0.3985    0.8485    112.12
                        O1      -0.4283    0.8587    0.3293    0.9596    116.51
                        O2      -0.2953    0.8242    0.5394    0.8755    109.71
                        O3      -0.3457    0.6286    0.3893    0.7174    118.81
                        O5      -0.1838    0.8005    0.3149    0.8213    102.93


            SUGAR       C1      -0.0866    0.5267    0.0924    0.5337     99.34
                        C2      -0.0995    0.6708    0.0442    0.6781     98.44
                        C3       0.0156    0.7365    0.1202    0.7367     88.79
                        C4       0.0071    0.6641    0.2545    0.6641     89.39
                        C5      -0.0638    0.7392    0.3656    0.7419     94.93
                        O4      -0.0544    0.5342    0.2304    0.5369     95.81
                        H1       0.0015    0.4810    0.0473    0.4810     89.82
                        H12     -0.1927    0.7223    0.0676    0.7476    104.94
                        H22     -0.0752    0.6662   -0.0620    0.6705     96.44
                        H3       0.0022    0.8436    0.1357    0.8436     89.85
                        H4       0.1073    0.6366    0.2874    0.6455     80.43
                        H15      0.0024    0.8162    0.4053    0.8162     89.83
                        H25     -0.0894    0.6699    0.4458    0.6758     97.60


            ADENINE     N1      -0.2614    0.0504    0.0107    0.2662    169.08
                        C2      -0.1397    0.0985    0.0359    0.1709    144.83
                        N3      -0.1021    0.2228    0.0560    0.2451    114.61
                        C4      -0.2074    0.3067    0.0481    0.3703    124.07
                        C5      -0.3372    0.2725    0.0231    0.4335    141.05
                        C6      -0.3648    0.1362    0.0033    0.3894    159.52
                        N6      -0.4875    0.0885   -0.0221    0.4955    169.71
                        N7      -0.4179    0.3855    0.0225    0.5685    137.31
                        C8      -0.3357    0.4828    0.0468    0.5880    124.81
                        N9      -0.2063    0.4428    0.0635    0.4885    114.98
                        H2      -0.0667    0.0303    0.0403    0.0733    155.59
                        H16     -0.5012   -0.0096   -0.0353    0.5013   -178.90
                        H26     -0.5653    0.1511   -0.0278    0.5851    165.03
                        H8      -0.3645    0.5784    0.0527    0.6837    122.22


            GUANINE     N1      -0.2539    0.0522    0.0121    0.2592    168.38
                        C2      -0.1262    0.0977    0.0381    0.1596    142.23
                        N2      -0.0307    0.0046    0.0433    0.0310    171.45
                        N3      -0.0968    0.2261    0.0572    0.2460    113.18
                        C4      -0.2065    0.3059    0.0482    0.3691    124.02
                        C5      -0.3367    0.2698    0.0228    0.4314    141.30
                        C6      -0.3682    0.1329    0.0024    0.3914    160.15
                        O6      -0.4772    0.0817   -0.0212    0.4842    170.29
                        N7      -0.4195    0.3819    0.0218    0.5673    137.68
                        C8      -0.3375    0.4813    0.0463    0.5879    125.04
                        H1      -0.2659   -0.0462   -0.0008    0.2699   -170.14
                        H12     -0.0538   -0.0916    0.0288    0.1062   -120.42
                        H22      0.0640    0.0310    0.0618    0.0711     25.87
                        H8      -0.3676    0.5765    0.0520    0.6837    122.52


            THYMINE     N1      -0.2063    0.4428    0.0635    0.4885    114.98
                        C2      -0.1865    0.3074    0.0516    0.3595    121.24
                        O2      -0.0769    0.2552    0.0637    0.2665    106.78
                        N3      -0.2996    0.2330    0.0248    0.3795    142.13
                        C4      -0.4278    0.2816    0.0092    0.5122    146.65
                        O4      -0.5214    0.2050   -0.0146    0.5603    158.54
                        C5      -0.4386    0.4249    0.0235    0.6107    135.91
                        ME      -0.5747    0.4860    0.0080    0.7527    139.78
                        C6      -0.3302    0.4996    0.0495    0.5989    123.46
                        H3      -0.2875    0.1341    0.0158    0.3172    154.99
                        H6      -0.3400    0.5987    0.0590    0.6885    119.59


            CYTOSINE    N1      -0.2063    0.4428    0.0644    0.4885    114.98
                        C2      -0.1878    0.3054    0.0512    0.3586    121.59
                        O2      -0.0739    0.2590    0.0646    0.2694    105.93
                        N3      -0.2957    0.2272    0.0248    0.3729    142.46
                        C4      -0.4174    0.2813    0.0109    0.5033    146.02
                        N4      -0.5193    0.2008   -0.0147    0.5568    158.86
                        C5      -0.4385    0.4225    0.0232    0.6089    136.07
                        C6      -0.3294    0.4988    0.0496    0.5978    123.44
                        H14     -0.5044    0.1023   -0.0233    0.5147    168.53
                        H24     -0.6113    0.2386   -0.0256    0.6562    158.68
                        H5      -0.5294    0.4629    0.0128    0.7032    138.83
                        H6      -0.3398    0.5979    0.0589    0.6877    119.61


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