{
  "num_stacks": 1,
  "stacks": [
    {
      "index": 1,
      "num_nts": 8,
      "nts_short": "CGGCGCCG",
      "nts_long": "///A/2,///A/3,///A/4,///A/5,///A/6,///A/7,///A/8,///A/9"
    }
  ],
  "nonStack": {
    "num_nts": 2,
    "nts_short": "TA",
    "nts_long": "///A/1,///A/10"
  },
  "num_atom2bases": 1,
  "atom2bases": [
    {
      "index": 1,
      "type": "other",
      "atom": "///A/101/N7",
      "nt": "///A/4",
      "vert_dist": 3.285
    }
  ],
  "num_ssSegments": 1,
  "ssSegments": [
    {
      "index": 1,
      "num_nts": 10,
      "nts_short": "TCGGCGCCGA",
      "nts_long": "///A/1,///A/2,///A/3,///A/4,///A/5,///A/6,///A/7,///A/8,///A/9,///A/10"
    }
  ],
  "num_splayUnits": 1,
  "splayUnits": [
    {
      "index": 1,
      "num_nts": 2,
      "nts_short": "TC",
      "nts_long": "///A/1,///A/2"
    }
  ],
  "dbn": {
    "all_chains": {
      "num_nts": 10,
      "num_chars": 10,
      "bseq": "TCGGCGCCGA",
      "sstr": "..........",
      "form": "...B.B...-"
    },
    "chain_A": {
      "num_nts": 10,
      "num_chars": 10,
      "bseq": "TCGGCGCCGA",
      "sstr": "..........",
      "form": "...B.B...-"
    }
  },
  "chains": {
    "chain_A": {
      "num_nts": 10,
      "bseq": "TCGGCGCCGA",
      "sstr": "..........",
      "form": "...B.B...-",
      "helical_rise": 3.106,
      "helical_rise_std": 1.026,
      "helical_axis": [
        0.166,
        0.240,
        -0.957
      ],
      "point1": [
        8.405,
        77.036,
        16.898
      ],
      "point2": [
        12.956,
        83.612,
        -9.361
      ],
      "num_chars": 28,
      "suite": "T!!C1aG1bG!!C1bG!!C1aC1aG&aA"
    }
  },
  "num_nts": 10,
  "nts": [
    {
      "index": 1,
      "index_chain": 1,
      "chain_name": "A",
      "nt_resnum": 1,
      "nt_name": "DT",
      "nt_code": "T",
      "nt_id": "///A/1",
      "linked_nts": [
        null,
        "///A/2"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,non-stack,ss-non-loop,splayed-apart",
      "alpha": null,
      "beta": null,
      "gamma": -15.286,
      "delta": 96.226,
      "epsilon": -148.351,
      "zeta": 178.125,
      "epsilon_zeta": 33.525,
      "bb_type": "--",
      "chi": -112.121,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -2.052,
        8.140,
        -2.136
      ],
      "P_xyz": [
        null,
        null,
        null
      ],
      "form": ".",
      "ssZp": 2.185,
      "Dp": 4.301,
      "splay_angle": 92.422,
      "splay_distance": 14.085,
      "splay_ratio": 0.723,
      "d22": 8.787,
      "d64": 10.025,
      "eta": null,
      "theta": null,
      "eta_prime": null,
      "theta_prime": null,
      "eta_base": null,
      "theta_base": null,
      "v0": -3.063,
      "v1": -15.644,
      "v2": 26.711,
      "v3": -29.294,
      "v4": 20.505,
      "amplitude": 29.320,
      "phase_angle": 24.358,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "inc",
      "cluster": "__",
      "suiteness": 0.000,
      "filter_rmsd": 0.106,
      "frame": {
        "rmsd": 0.010,
        "origin": [
          18.360,
          79.723,
          20.140
        ],
        "x_axis": [
          0.662,
          -0.370,
          0.652
        ],
        "y_axis": [
          -0.363,
          -0.919,
          -0.153
        ],
        "z_axis": [
          0.656,
          -0.135,
          -0.742
        ],
        "quaternion": [
          -0.005,
          0.912,
          -0.201,
          0.359
        ]
      }
    },
    {
      "index": 2,
      "index_chain": 2,
      "chain_name": "A",
      "nt_resnum": 2,
      "nt_name": "DC",
      "nt_code": "C",
      "nt_id": "///A/2",
      "linked_nts": [
        "///A/1",
        "///A/3"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,BI,non-pair-contact,ss-non-loop,splayed-apart",
      "alpha": 49.755,
      "beta": -157.686,
      "gamma": -176.445,
      "delta": 98.999,
      "epsilon": -170.648,
      "zeta": -83.215,
      "epsilon_zeta": -87.433,
      "bb_type": "BI",
      "chi": -115.804,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.411,
        8.147,
        -2.002
      ],
      "P_xyz": [
        -0.511,
        8.024,
        -4.441
      ],
      "form": ".",
      "ssZp": 2.165,
      "Dp": 3.784,
      "splay_angle": 17.773,
      "splay_distance": 3.318,
      "splay_ratio": 0.176,
      "d22": null,
      "d64": null,
      "eta": 107.104,
      "theta": 172.571,
      "eta_prime": 103.008,
      "theta_prime": 171.565,
      "eta_base": 112.847,
      "theta_base": -166.812,
      "v0": -0.877,
      "v1": -11.134,
      "v2": 17.875,
      "v3": -18.959,
      "v4": 12.616,
      "amplitude": 19.170,
      "phase_angle": 21.182,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33t",
      "cluster": "!!",
      "suiteness": 0.000,
      "filter_rmsd": 0.064,
      "frame": {
        "rmsd": 0.021,
        "origin": [
          5.977,
          73.930,
          16.750
        ],
        "x_axis": [
          0.264,
          0.863,
          0.431
        ],
        "y_axis": [
          0.846,
          0.008,
          -0.533
        ],
        "z_axis": [
          -0.463,
          0.506,
          -0.728
        ],
        "quaternion": [
          -0.369,
          0.704,
          0.607,
          -0.011
        ]
      }
    },
    {
      "index": 3,
      "index_chain": 3,
      "chain_name": "A",
      "nt_resnum": 3,
      "nt_name": "DG",
      "nt_code": "G",
      "nt_id": "///A/3",
      "linked_nts": [
        "///A/2",
        "///A/4"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,BI,non-pair-contact,ss-non-loop",
      "alpha": -70.524,
      "beta": 166.433,
      "gamma": 53.823,
      "delta": 88.318,
      "epsilon": -148.518,
      "zeta": -79.569,
      "epsilon_zeta": -68.949,
      "bb_type": "BI",
      "chi": -111.067,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.549,
        8.212,
        -2.026
      ],
      "P_xyz": [
        0.859,
        8.052,
        -3.039
      ],
      "form": ".",
      "ssZp": 2.117,
      "Dp": 4.479,
      "splay_angle": 29.348,
      "splay_distance": 4.928,
      "splay_ratio": 0.260,
      "d22": null,
      "d64": null,
      "eta": 166.440,
      "theta": -142.525,
      "eta_prime": 175.674,
      "theta_prime": -133.860,
      "eta_base": -156.345,
      "theta_base": -125.094,
      "v0": 1.445,
      "v1": -21.820,
      "v2": 32.459,
      "v3": -32.592,
      "v4": 19.735,
      "amplitude": 33.805,
      "phase_angle": 16.220,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.217,
      "filter_rmsd": 0.024,
      "frame": {
        "rmsd": 0.024,
        "origin": [
          5.537,
          74.969,
          13.630
        ],
        "x_axis": [
          0.539,
          0.823,
          0.181
        ],
        "y_axis": [
          0.543,
          -0.176,
          -0.821
        ],
        "z_axis": [
          -0.644,
          0.541,
          -0.541
        ],
        "quaternion": [
          -0.453,
          0.751,
          0.455,
          -0.154
        ]
      }
    },
    {
      "index": 4,
      "index_chain": 4,
      "chain_name": "A",
      "nt_resnum": 4,
      "nt_name": "DG",
      "nt_code": "G",
      "nt_id": "///A/4",
      "linked_nts": [
        "///A/3",
        "///A/5"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C2'-endo,BI,non-pair-contact,ss-non-loop,cap-acceptor",
      "alpha": -60.839,
      "beta": -171.252,
      "gamma": 53.300,
      "delta": 151.323,
      "epsilon": -171.615,
      "zeta": -118.093,
      "epsilon_zeta": -53.522,
      "bb_type": "BI",
      "chi": -103.926,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.753,
        8.162,
        -1.821
      ],
      "P_xyz": [
        0.695,
        8.818,
        -1.183
      ],
      "form": "B",
      "ssZp": 1.807,
      "Dp": 1.990,
      "splay_angle": 19.210,
      "splay_distance": 3.184,
      "splay_ratio": 0.168,
      "d22": null,
      "d64": null,
      "eta": 166.995,
      "theta": -137.925,
      "eta_prime": -156.818,
      "theta_prime": -162.493,
      "eta_base": -145.761,
      "theta_base": -133.111,
      "v0": -11.993,
      "v1": 27.018,
      "v2": -30.993,
      "v3": 25.133,
      "v4": -8.276,
      "amplitude": 31.046,
      "phase_angle": 176.639,
      "puckering": "C2'-endo",
      "sugar_class": "~C2'-endo",
      "bin": "32p",
      "cluster": "1b",
      "suiteness": 0.797,
      "filter_rmsd": 0.023,
      "frame": {
        "rmsd": 0.023,
        "origin": [
          4.792,
          78.473,
          10.247
        ],
        "x_axis": [
          0.874,
          -0.060,
          0.482
        ],
        "y_axis": [
          0.394,
          -0.495,
          -0.775
        ],
        "z_axis": [
          0.285,
          0.867,
          -0.409
        ],
        "quaternion": [
          -0.493,
          0.833,
          0.100,
          0.230
        ]
      }
    },
    {
      "index": 5,
      "index_chain": 5,
      "chain_name": "A",
      "nt_resnum": 5,
      "nt_name": "DC",
      "nt_code": "C",
      "nt_id": "///A/5",
      "linked_nts": [
        "///A/4",
        "///A/6"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,BI,non-pair-contact,ss-non-loop",
      "alpha": -84.538,
      "beta": -177.851,
      "gamma": 49.892,
      "delta": 91.620,
      "epsilon": -137.309,
      "zeta": -73.302,
      "epsilon_zeta": -64.007,
      "bb_type": "BI",
      "chi": -124.558,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.479,
        8.466,
        -1.672
      ],
      "P_xyz": [
        1.068,
        9.054,
        -1.846
      ],
      "form": ".",
      "ssZp": 2.044,
      "Dp": 4.176,
      "splay_angle": 28.747,
      "splay_distance": 5.001,
      "splay_ratio": 0.259,
      "d22": null,
      "d64": null,
      "eta": 173.282,
      "theta": -128.842,
      "eta_prime": 170.642,
      "theta_prime": -116.811,
      "eta_base": -153.574,
      "theta_base": -104.280,
      "v0": -10.717,
      "v1": -9.589,
      "v2": 24.924,
      "v3": -31.675,
      "v4": 26.668,
      "amplitude": 31.537,
      "phase_angle": 37.786,
      "puckering": "C4'-exo",
      "sugar_class": "~C3'-endo",
      "bin": "23p",
      "cluster": "!!",
      "suiteness": 0.000,
      "filter_rmsd": 0.063,
      "frame": {
        "rmsd": 0.016,
        "origin": [
          4.631,
          81.290,
          8.772
        ],
        "x_axis": [
          0.950,
          -0.306,
          -0.064
        ],
        "y_axis": [
          -0.163,
          -0.310,
          -0.937
        ],
        "z_axis": [
          0.267,
          0.900,
          -0.344
        ],
        "quaternion": [
          0.569,
          -0.807,
          0.145,
          -0.063
        ]
      }
    },
    {
      "index": 6,
      "index_chain": 6,
      "chain_name": "A",
      "nt_resnum": 6,
      "nt_name": "DG",
      "nt_code": "G",
      "nt_id": "///A/6",
      "linked_nts": [
        "///A/5",
        "///A/7"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C2'-endo,BI,non-pair-contact,ss-non-loop",
      "alpha": -63.000,
      "beta": -174.381,
      "gamma": 46.404,
      "delta": 149.154,
      "epsilon": -177.898,
      "zeta": -94.370,
      "epsilon_zeta": -83.528,
      "bb_type": "BI",
      "chi": -90.088,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -2.307,
        7.576,
        -2.538
      ],
      "P_xyz": [
        0.167,
        8.552,
        -2.554
      ],
      "form": "B",
      "ssZp": 1.683,
      "Dp": 1.833,
      "splay_angle": 17.980,
      "splay_distance": 3.166,
      "splay_ratio": 0.159,
      "d22": null,
      "d64": null,
      "eta": 155.726,
      "theta": -120.760,
      "eta_prime": -160.399,
      "theta_prime": -153.118,
      "eta_base": -147.501,
      "theta_base": -105.659,
      "v0": -13.266,
      "v1": 29.316,
      "v2": -33.242,
      "v3": 26.455,
      "v4": -8.425,
      "amplitude": 33.336,
      "phase_angle": 175.695,
      "puckering": "C2'-endo",
      "sugar_class": "~C2'-endo",
      "bin": "32p",
      "cluster": "1b",
      "suiteness": 0.650,
      "filter_rmsd": 0.022,
      "frame": {
        "rmsd": 0.022,
        "origin": [
          6.956,
          83.742,
          5.085
        ],
        "x_axis": [
          0.336,
          -0.938,
          0.086
        ],
        "y_axis": [
          -0.450,
          -0.240,
          -0.860
        ],
        "z_axis": [
          0.827,
          0.251,
          -0.503
        ],
        "quaternion": [
          -0.385,
          0.721,
          -0.481,
          0.317
        ]
      }
    },
    {
      "index": 7,
      "index_chain": 7,
      "chain_name": "A",
      "nt_resnum": 7,
      "nt_name": "DC",
      "nt_code": "C",
      "nt_id": "///A/7",
      "linked_nts": [
        "///A/6",
        "///A/8"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,BI,non-pair-contact,ss-non-loop",
      "alpha": -74.594,
      "beta": 175.563,
      "gamma": 39.272,
      "delta": 78.808,
      "epsilon": -157.139,
      "zeta": -76.732,
      "epsilon_zeta": -80.407,
      "bb_type": "BI",
      "chi": -121.751,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -2.687,
        8.481,
        -1.856
      ],
      "P_xyz": [
        -0.724,
        9.796,
        -2.930
      ],
      "form": ".",
      "ssZp": 2.418,
      "Dp": 4.158,
      "splay_angle": 30.181,
      "splay_distance": 5.199,
      "splay_ratio": 0.262,
      "d22": 4.129,
      "d64": 3.583,
      "eta": 154.069,
      "theta": -160.414,
      "eta_prime": 159.975,
      "theta_prime": -155.663,
      "eta_base": -142.250,
      "theta_base": -133.452,
      "v0": -24.648,
      "v1": -4.380,
      "v2": 29.939,
      "v3": -45.536,
      "v4": 44.324,
      "amplitude": 46.655,
      "phase_angle": 50.081,
      "puckering": "C4'-exo",
      "sugar_class": "~C3'-endo",
      "bin": "23p",
      "cluster": "!!",
      "suiteness": 0.000,
      "filter_rmsd": 0.064,
      "frame": {
        "rmsd": 0.014,
        "origin": [
          9.714,
          83.181,
          3.636
        ],
        "x_axis": [
          -0.025,
          -0.911,
          -0.411
        ],
        "y_axis": [
          -0.412,
          0.384,
          -0.826
        ],
        "z_axis": [
          0.911,
          0.149,
          -0.385
        ],
        "quaternion": [
          0.493,
          -0.494,
          0.670,
          -0.253
        ]
      }
    },
    {
      "index": 8,
      "index_chain": 8,
      "chain_name": "A",
      "nt_resnum": 8,
      "nt_name": "DC",
      "nt_code": "C",
      "nt_id": "///A/8",
      "linked_nts": [
        "///A/7",
        "///A/9"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,BI,non-pair-contact,ss-non-loop",
      "alpha": -66.108,
      "beta": 177.493,
      "gamma": 49.776,
      "delta": 86.885,
      "epsilon": -156.966,
      "zeta": -88.474,
      "epsilon_zeta": -68.492,
      "bb_type": "BI",
      "chi": -132.689,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.734,
        8.761,
        -1.269
      ],
      "P_xyz": [
        0.704,
        9.529,
        -1.602
      ],
      "form": ".",
      "ssZp": 3.050,
      "Dp": 4.272,
      "splay_angle": 16.872,
      "splay_distance": 3.052,
      "splay_ratio": 0.164,
      "d22": null,
      "d64": null,
      "eta": 172.461,
      "theta": -162.542,
      "eta_prime": -177.968,
      "theta_prime": -157.759,
      "eta_base": -153.923,
      "theta_base": -134.053,
      "v0": -6.902,
      "v1": -17.832,
      "v2": 33.822,
      "v3": -38.753,
      "v4": 29.142,
      "amplitude": 38.556,
      "phase_angle": 28.690,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.850,
      "filter_rmsd": 0.065,
      "frame": {
        "rmsd": 0.017,
        "origin": [
          13.281,
          82.419,
          -0.069
        ],
        "x_axis": [
          -0.730,
          -0.623,
          -0.281
        ],
        "y_axis": [
          -0.407,
          0.727,
          -0.553
        ],
        "z_axis": [
          0.549,
          -0.289,
          -0.784
        ],
        "quaternion": [
          0.231,
          -0.286,
          0.900,
          -0.234
        ]
      }
    },
    {
      "index": 9,
      "index_chain": 9,
      "chain_name": "A",
      "nt_resnum": 9,
      "nt_name": "DG",
      "nt_code": "G",
      "nt_id": "///A/9",
      "linked_nts": [
        "///A/8",
        "///A/10"
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,BI,non-pair-contact,ss-non-loop",
      "alpha": -61.885,
      "beta": 169.605,
      "gamma": 45.345,
      "delta": 104.987,
      "epsilon": -172.780,
      "zeta": -91.365,
      "epsilon_zeta": -81.414,
      "bb_type": "BI",
      "chi": -115.160,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.907,
        8.166,
        -1.800
      ],
      "P_xyz": [
        0.654,
        8.248,
        -2.470
      ],
      "form": ".",
      "ssZp": 2.742,
      "Dp": 3.944,
      "splay_angle": 45.018,
      "splay_distance": 7.272,
      "splay_ratio": 0.386,
      "d22": null,
      "d64": null,
      "eta": 166.061,
      "theta": -156.459,
      "eta_prime": -175.887,
      "theta_prime": -161.449,
      "eta_base": -146.479,
      "theta_base": -138.271,
      "v0": 4.915,
      "v1": -23.060,
      "v2": 31.430,
      "v3": -29.320,
      "v4": 15.197,
      "amplitude": 31.886,
      "phase_angle": 9.704,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "1a",
      "suiteness": 0.035,
      "filter_rmsd": 0.031,
      "frame": {
        "rmsd": 0.031,
        "origin": [
          14.511,
          82.274,
          -2.859
        ],
        "x_axis": [
          -0.890,
          -0.242,
          -0.387
        ],
        "y_axis": [
          0.065,
          0.771,
          -0.633
        ],
        "z_axis": [
          0.452,
          -0.589,
          -0.670
        ],
        "quaternion": [
          0.230,
          -0.049,
          0.913,
          -0.335
        ]
      }
    },
    {
      "index": 10,
      "index_chain": 10,
      "chain_name": "A",
      "nt_resnum": 10,
      "nt_name": "DA",
      "nt_code": "A",
      "nt_id": "///A/10",
      "linked_nts": [
        "///A/9",
        null
      ],
      "nt_type": "DNA",
      "dbn": ".",
      "summary": "anti,~C3'-endo,non-stack,ss-non-loop",
      "alpha": -60.163,
      "beta": 178.261,
      "gamma": 62.280,
      "delta": 84.581,
      "epsilon": null,
      "zeta": null,
      "epsilon_zeta": null,
      "bb_type": "--",
      "chi": -131.553,
      "glyco_bond": "anti",
      "C5prime_xyz": [
        -1.449,
        8.523,
        -1.252
      ],
      "P_xyz": [
        1.030,
        8.544,
        -2.175
      ],
      "form": "-",
      "ssZp": null,
      "Dp": null,
      "splay_angle": null,
      "splay_distance": null,
      "splay_ratio": null,
      "d22": null,
      "d64": null,
      "eta": null,
      "theta": null,
      "eta_prime": null,
      "theta_prime": null,
      "eta_base": null,
      "theta_base": null,
      "v0": 2.597,
      "v1": -25.918,
      "v2": 38.057,
      "v3": -37.457,
      "v4": 21.612,
      "amplitude": 39.331,
      "phase_angle": 14.620,
      "puckering": "C3'-endo",
      "sugar_class": "~C3'-endo",
      "bin": "33p",
      "cluster": "&a",
      "suiteness": 0.068,
      "filter_rmsd": 0.045,
      "frame": {
        "rmsd": 0.025,
        "origin": [
          17.753,
          79.610,
          -8.798
        ],
        "x_axis": [
          -0.670,
          0.174,
          -0.722
        ],
        "y_axis": [
          0.390,
          0.910,
          -0.142
        ],
        "z_axis": [
          0.632,
          -0.376,
          -0.677
        ],
        "quaternion": [
          0.375,
          0.156,
          0.902,
          -0.143
        ]
      }
    }
  ],
  "refCoords": {
    "purine": [
      "   12 ATOMS,    12 BONDS",
      "    1 N      -2.2500   5.0000   0.4000",
      "    2 N      -2.2500  -0.5000   0.4000",
      "    3 N      -2.2500  -0.5000  -0.4000",
      "    4 N      -2.2500   5.0000  -0.4000",
      "    5 C       1.2500   5.0000   0.4000",
      "    6 C       1.2500  -0.5000   0.4000",
      "    7 C       1.2500  -0.5000  -0.4000",
      "    8 C       1.2500   5.0000  -0.4000",
      "    9 C      -2.2500   5.0000   0.4000",
      "   10 C      -2.2500  -0.5000   0.4000",
      "   11 C      -2.2500  -0.5000  -0.4000",
      "   12 C      -2.2500   5.0000  -0.4000",
      "    1     1     2",
      "    2     2     3",
      "    3     3     4",
      "    4     4     1",
      "    5     5     6",
      "    6     6     7",
      "    7     7     8",
      "    8     5     8",
      "    9     9     5",
      "   10    10     6",
      "   11    11     7",
      "   12    12     8"
    ],
    "pyrimidine": [
      "   12 ATOMS,    12 BONDS",
      "    1 N      -2.2500   5.0000   0.4000",
      "    2 N      -2.2500   1.0000   0.4000",
      "    3 N      -2.2500   1.0000  -0.4000",
      "    4 N      -2.2500   5.0000  -0.4000",
      "    5 C       1.2500   5.0000   0.4000",
      "    6 C       1.2500   1.0000   0.4000",
      "    7 C       1.2500   1.0000  -0.4000",
      "    8 C       1.2500   5.0000  -0.4000",
      "    9 C      -2.2500   5.0000   0.4000",
      "   10 C      -2.2500   1.0000   0.4000",
      "   11 C      -2.2500   1.0000  -0.4000",
      "   12 C      -2.2500   5.0000  -0.4000",
      "    1     1     2",
      "    2     2     3",
      "    3     3     4",
      "    4     4     1",
      "    5     5     6",
      "    6     6     7",
      "    7     7     8",
      "    8     5     8",
      "    9     9     5",
      "   10    10     6",
      "   11    11     7",
      "   12    12     8"
    ],
    "wc_pair": [
      "   12 ATOMS,    12 BONDS",
      "    1 N      -2.2500   5.0000   0.4000",
      "    2 N      -2.2500  -5.0000   0.4000",
      "    3 N      -2.2500  -5.0000  -0.4000",
      "    4 N      -2.2500   5.0000  -0.4000",
      "    5 C       2.2500   5.0000   0.4000",
      "    6 C       2.2500  -5.0000   0.4000",
      "    7 C       2.2500  -5.0000  -0.4000",
      "    8 C       2.2500   5.0000  -0.4000",
      "    9 C      -2.2500   5.0000   0.4000",
      "   10 C      -2.2500  -5.0000   0.4000",
      "   11 C      -2.2500  -5.0000  -0.4000",
      "   12 C      -2.2500   5.0000  -0.4000",
      "    1     1     2",
      "    2     2     3",
      "    3     3     4",
      "    4     4     1",
      "    5     5     6",
      "    6     6     7",
      "    7     7     8",
      "    8     5     8",
      "    9     9     5",
      "   10    10     6",
      "   11    11     7",
      "   12    12     8"
    ]
  },
  "metadata": {
    "license": "http://innovation.columbia.edu/technologies/CU20391",
    "url": "http://x3dna.org/",
    "url_alt": "http://home.x3dna.org/",
    "forum": "http://forum.x3dna.org/",
    "citation": "Lu et al. (2015). 'DSSR: an integrated software tool for dissecting the spatial structure of RNA.' Nucleic Acids Res., 43(21):e142 [doi:10.1093/nar/gkv716].",
    "str_id": "4ltk",
    "num_naChains": 1,
    "naChains": "A=10",
    "num_atoms": 286,
    "num_waters": 31,
    "num_metals": 2,
    "metals_desc": "Ru=1,Ba=1",
    "num_notes": 52,
    "notes": [
      {
        "Aminors": "A-minor interactions (including types I and II)"
      },
      {
        "Cstem_index": "stem index of the 'Canonical' helix in k-turn"
      },
      {
        "Cstem_pair": "Cstem bp delineating the k-turn internal loop"
      },
      {
        "Dp": "perpendicular distance of the 3' P atom to the glycosidic bond"
      },
      {
        "GA_pair": "sheared G-A pair in k-turn"
      },
      {
        "HtypePknot": "H-type pseudoknot"
      },
      {
        "Kturn": "kink-turn (k-turn)"
      },
      {
        "LW": "Leontis-Westhof"
      },
      {
        "NCstem_index": "stem index of the 'Non-Canonical' helix in k-turn"
      },
      {
        "NCstem_pair": "NCstem bp delineating the k-turn internal loop"
      },
      {
        "Uturn": "U-turn of the UNR- or GNRA-type"
      },
      {
        "aa": "amino acid"
      },
      {
        "atom_pair": "symbols of the two atoms involved in an H-bond"
      },
      {
        "auxfiles": "auxiliary files"
      },
      {
        "glyco_bond": "conformation of base related to sugar (syn or anti)"
      },
      {
        "bb_type": "backbone conformation, BI or BII"
      },
      {
        "bending_angle": "angle between two helical axes"
      },
      {
        "bp": "base pair"
      },
      {
        "bseq": "base sequence in one-letter code"
      },
      {
        "bulge": "bulge loop"
      },
      {
        "coaxStacks": "coaxial stacking of stems within a helix"
      },
      {
        "dbn": "dot bracket notation"
      },
      {
        "desc": "description"
      },
      {
        "donAcc_type": "donor/acceptor type of the atom pair in an H-bond"
      },
      {
        "epsilon_zeta": "difference between epsilon and zeta torsion angles"
      },
      {
        "hairpin": "hairpin loop"
      },
      {
        "hbond": "hydrogen bond (H-bond)"
      },
      {
        "helix": "defined by base-stacking interactions, regardless of bp type and backbone connectivity"
      },
      {
        "id": "identifier"
      },
      {
        "iloop": "internal loop"
      },
      {
        "index": "serial number"
      },
      {
        "isoCanonPairs": "isolated canonical pairs"
      },
      {
        "junction": "(multi-branched) junction loop"
      },
      {
        "kissingLoop": "kissing loop"
      },
      {
        "multiplet": "3+ bases in a coplanar geometry"
      },
      {
        "na": "nucleic acid"
      },
      {
        "nonPair": "two nts not forming a pair, but with H-bonding/stacking interactions"
      },
      {
        "nonStack": "nucleotide not involved in stacking interactions"
      },
      {
        "nt": "nucleotide"
      },
      {
        "num": "number"
      },
      {
        "oArea": "overlap areas between two bases, including exocyclic atoms"
      },
      {
        "oArea_ring": "overlap areas between two bases, including only ring atoms"
      },
      {
        "phosContacts": "H-bonding and atom-capping interactions involving a phosphate"
      },
      {
        "residue_pair": "types of the two residues involved in an H-bond"
      },
      {
        "rmsd": "root-mean-squares deviation"
      },
      {
        "serNum": "serial number"
      },
      {
        "ssSegments": "single-stranded segments not involved in loops"
      },
      {
        "ssZp": "Z-coordinate of the 3' phosphorus atom with reference to the 5' base plane"
      },
      {
        "sstr": "secondary structure in dbn"
      },
      {
        "stem": "helix consisting of only canonical pairs, with a continuous backbone"
      },
      {
        "str_id": "structure identifier, derived from inpfile with extension removed"
      },
      {
        "vert_dist": "vertical distance from an atom to a base plane"
      }
    ],
    "num_auxfiles": 7,
    "auxfiles": [
      {
        "index": 1,
        "name": "dssr-2ndstrs.bpseq",
        "desc": "secondary structure in bpseq format"
      },
      {
        "index": 2,
        "name": "dssr-2ndstrs.ct",
        "desc": "secondary structure in connectivity table format"
      },
      {
        "index": 3,
        "name": "dssr-2ndstrs.dbn",
        "desc": "secondary structure in dot-bracket notation"
      },
      {
        "index": 4,
        "name": "dssr-torsions.txt",
        "desc": "backbone torsion angles and suite names"
      },
      {
        "index": 5,
        "name": "dssr-splays.pdb",
        "desc": "an ensemble of splayed-apart units"
      },
      {
        "index": 6,
        "name": "dssr-stacks.pdb",
        "desc": "an ensemble of base stacks"
      },
      {
        "index": 7,
        "name": "dssr-atom2bases.pdb",
        "desc": "an ensemble of atom-base stacking interactions"
      }
    ],
    "time_used": "999"
  }
}
