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        {
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        {
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          "Saenger": "19-XIX",
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          "step_params": [
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        {
          "index": 3,
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          "bp": "C-G",
          "name": "WC",
          "Saenger": "19-XIX",
          "LW": "cWW",
          "DSSR": "cW-W"
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      ]
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  "num_coaxStacks": 2,
  "coaxStacks": [
    {
      "index": 1,
      "helix_index": 2,
      "num_stems": 4,
      "stem_indices": [
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        3,
        4,
        5
      ]
    },
    {
      "index": 2,
      "helix_index": 3,
      "num_stems": 2,
      "stem_indices": [
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        7
      ]
    }
  ],
  "num_stacks": 13,
  "stacks": [
    {
      "index": 1,
      "num_nts": 2,
      "nts_short": "GA",
      "nts_long": "///C/37,///C/123"
    },
    {
      "index": 2,
      "num_nts": 2,
      "nts_short": "AA",
      "nts_long": "///C/41,///C/119"
    },
    {
      "index": 3,
      "num_nts": 2,
      "nts_short": "GU",
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    },
    {
      "index": 4,
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      "nts_short": "AU",
      "nts_long": "///C/73,///C/74"
    },
    {
      "index": 5,
      "num_nts": 2,
      "nts_short": "UC",
      "nts_long": "///C/92,///C/93"
    },
    {
      "index": 6,
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      "nts_short": "CA",
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    },
    {
      "index": 7,
      "num_nts": 2,
      "nts_short": "GU",
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    },
    {
      "index": 8,
      "num_nts": 3,
      "nts_short": "AAC",
      "nts_long": "///C/35,///C/36,///C/105"
    },
    {
      "index": 9,
      "num_nts": 3,
      "nts_short": "GAC",
      "nts_long": "///C/53,///C/54,///C/55"
    },
    {
      "index": 10,
      "num_nts": 3,
      "nts_short": "CCC",
      "nts_long": "///C/67,///C/68,///C/69"
    },
    {
      "index": 11,
      "num_nts": 3,
      "nts_short": "GCC",
      "nts_long": "///C/78,///C/79,///C/80"
    },
    {
      "index": 12,
      "num_nts": 3,
      "nts_short": "GCG",
      "nts_long": "///C/114,///C/116,///C/117"
    },
    {
      "index": 13,
      "num_nts": 4,
      "nts_short": "CCGG",
      "nts_long": "///C/108,///C/107,///C/106,///C/124"
    }
  ],
  "nonStack": {
    "num_nts": 5,
    "nts_short": "AACGU",
    "nts_long": "///C/65,///C/66,///C/70,///C/127,///C/128"
  },
  "num_atom2bases": 3,
  "atom2bases": [
    {
      "index": 1,
      "type": "sugar",
      "atom": "///C/94/O4'",
      "nt": "///C/118",
      "vert_dist": 3.140
    },
    {
      "index": 2,
      "type": "sugar",
      "atom": "///C/107/O4'",
      "nt": "///C/123",
      "vert_dist": 3.333
    },
    {
      "index": 3,
      "type": "sugar",
      "atom": "///C/126/O2'",
      "nt": "///C/128",
      "vert_dist": 3.047
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  ],
  "num_hairpins": 3,
  "hairpins": [
    {
      "index": 1,
      "type": "hairpin loop",
      "bridging_nts": [
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      ],
      "stem_indices": [
        5
      ],
      "summary": "[1] 5 [C.64 C.70] 4",
      "num_nts": 7,
      "nts_short": "GAACCCC",
      "nts_long": "///C/64,///C/65,///C/66,///C/67,///C/68,///C/69,///C/70",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 5,
          "nts_short": "AACCC",
          "nts_long": "///C/65,///C/66,///C/67,///C/68,///C/69"
        }
      ]
    },
    {
      "index": 2,
      "type": "hairpin loop",
      "bridging_nts": [
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      "stem_indices": [
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      "num_nts": 9,
      "nts_short": "GUUACCGCC",
      "nts_long": "///C/100,///C/101,///C/102,///C/103,///C/104,///C/105,///C/106,///C/107,///C/108",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 7,
          "nts_short": "UUACCGC",
          "nts_long": "///C/101,///C/102,///C/103,///C/104,///C/105,///C/106,///C/107"
        }
      ]
    },
    {
      "index": 3,
      "type": "hairpin loop",
      "bridging_nts": [
        18
      ],
      "stem_indices": [
        7
      ],
      "summary": "[1] 18 [C.105 C.124] 3",
      "num_nts": 20,
      "nts_short": "CGCCCGCGUGUCGAACCCAG",
      "nts_long": "///C/105,///C/106,///C/107,///C/108,///C/109,///C/110,///C/111,///C/112,///C/113,///C/114,///C/115,///C/116,///C/117,///C/118,///C/119,///C/120,///C/121,///C/122,///C/123,///C/124",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 18,
          "nts_short": "GCCCGCGUGUCGAACCCA",
          "nts_long": "///C/106,///C/107,///C/108,///C/109,///C/110,///C/111,///C/112,///C/113,///C/114,///C/115,///C/116,///C/117,///C/118,///C/119,///C/120,///C/121,///C/122,///C/123"
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  "iloops": [
    {
      "index": 1,
      "type": "symmetric internal loop",
      "bridging_nts": [
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        1
      ],
      "stem_indices": [
        3,
        4
      ],
      "summary": "[2] 1 1 [C.53 C.80 C.55 C.78] 13 5",
      "num_nts": 6,
      "nts_short": "GACGCC",
      "nts_long": "///C/53,///C/54,///C/55,///C/78,///C/79,///C/80",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 1,
          "nts_short": "A",
          "nts_long": "///C/54"
        },
        {
          "index": 2,
          "num_nts": 1,
          "nts_short": "C",
          "nts_long": "///C/79"
        }
      ]
    }
  ],
  "num_junctions": 2,
  "junctions": [
    {
      "index": 1,
      "type": "3-way junction",
      "bridging_nts": [
        0,
        1,
        4
      ],
      "stem_indices": [
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        3,
        6
      ],
      "summary": "[3] 0 1 4 [C.40 C.119 C.41 C.92 C.94 C.114] 4 13 7",
      "num_nts": 11,
      "nts_short": "UAUCCGUCGAA",
      "nts_long": "///C/40,///C/41,///C/92,///C/93,///C/94,///C/114,///C/115,///C/116,///C/117,///C/118,///C/119",
      "num_stems": 3,
      "bridges": [
        {
          "index": 1,
          "num_nts": 0,
          "nts_short": "",
          "nts_long": ""
        },
        {
          "index": 2,
          "num_nts": 1,
          "nts_short": "C",
          "nts_long": "///C/93"
        },
        {
          "index": 3,
          "num_nts": 4,
          "nts_short": "UCGA",
          "nts_long": "///C/115,///C/116,///C/117,///C/118"
        }
      ]
    },
    {
      "index": 2,
      "type": "5-way junction",
      "bridging_nts": [
        1,
        1,
        2,
        2,
        1
      ],
      "stem_indices": [
        1,
        2,
        7,
        6,
        7
      ],
      "summary": "[5] 1 1 2 2 1 [C.35 C.128 C.37 C.122 C.124 C.105 C.108 C.100 C.103 C.126] 10 4 3 7 3",
      "is_repeated": true,
      "num_nts": 17,
      "nts_short": "AAGCAGCGCCGUUAUGU",
      "nts_long": "///C/35,///C/36,///C/37,///C/122,///C/123,///C/124,///C/105,///C/106,///C/107,///C/108,///C/100,///C/101,///C/102,///C/103,///C/126,///C/127,///C/128",
      "num_stems": 5,
      "bridges": [
        {
          "index": 1,
          "num_nts": 1,
          "nts_short": "A",
          "nts_long": "///C/36"
        },
        {
          "index": 2,
          "num_nts": 1,
          "nts_short": "A",
          "nts_long": "///C/123"
        },
        {
          "index": 3,
          "num_nts": 2,
          "nts_short": "GC",
          "nts_long": "///C/106,///C/107"
        },
        {
          "index": 4,
          "num_nts": 2,
          "nts_short": "UU",
          "nts_long": "///C/101,///C/102"
        },
        {
          "index": 5,
          "num_nts": 1,
          "nts_short": "G",
          "nts_long": "///C/127"
        }
      ]
    }
  ],
  "num_Aminors": 1,
  "Aminors": [
    {
      "index": 1,
      "type": "X",
      "desc_short": "A vs C-G (WC)",
      "desc_long": "///C/36 vs ///C/104,///C/125",
      "A_nt1": {
        "desc": "///C/36 vs ///C/104",
        "face_type": "+",
        "hbonds_num": 2,
        "hbonds_desc": "N6(amino)-O2'(hydroxyl)[2.86],N6(amino)-O2(carbonyl)[2.98]"
      },
      "A_nt2": {
        "desc": "///C/36 vs ///C/125",
        "face_type": "-",
        "hbonds_num": 0,
        "hbonds_desc": ""
      }
    }
  ],
  "num_splayUnits": 5,
  "splayUnits": [
    {
      "index": 1,
      "num_nts": 2,
      "nts_short": "AG",
      "nts_long": "///C/36,///C/37"
    },
    {
      "index": 2,
      "num_nts": 2,
      "nts_short": "GA",
      "nts_long": "///C/64,///C/65"
    },
    {
      "index": 3,
      "num_nts": 2,
      "nts_short": "CC",
      "nts_long": "///C/93,///C/94"
    },
    {
      "index": 4,
      "num_nts": 2,
      "nts_short": "AA",
      "nts_long": "///C/118,///C/119"
    },
    {
      "index": 5,
      "num_nts": 2,
      "nts_short": "GU",
      "nts_long": "///C/127,///C/128"
    }
  ],
  "num_HtypePknots": 3,
  "HtypePknots": [
    {
      "index": 1,
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      "donAcc_type": "standard",
      "distance": 2.855,
      "atom1_id": "///C/99/O6",
      "atom2_id": "///C/109/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 132,
      "atom1_serNum": 2334,
      "atom2_serNum": 2639,
      "donAcc_type": "standard",
      "distance": 2.826,
      "atom1_id": "///C/99/N1",
      "atom2_id": "///C/109/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 133,
      "atom1_serNum": 2336,
      "atom2_serNum": 2638,
      "donAcc_type": "standard",
      "distance": 2.666,
      "atom1_id": "///C/99/N2",
      "atom2_id": "///C/109/O2",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 134,
      "atom1_serNum": 2367,
      "atom2_serNum": 2610,
      "donAcc_type": "standard",
      "distance": 2.853,
      "atom1_id": "///C/100/O6",
      "atom2_id": "///C/108/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 135,
      "atom1_serNum": 2368,
      "atom2_serNum": 2608,
      "donAcc_type": "standard",
      "distance": 2.808,
      "atom1_id": "///C/100/N1",
      "atom2_id": "///C/108/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 136,
      "atom1_serNum": 2370,
      "atom2_serNum": 2607,
      "donAcc_type": "standard",
      "distance": 2.736,
      "atom1_id": "///C/100/N2",
      "atom2_id": "///C/108/O2",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 137,
      "atom1_serNum": 2398,
      "atom2_serNum": 2579,
      "donAcc_type": "standard",
      "distance": 3.558,
      "atom1_id": "///C/101/O2",
      "atom2_id": "///C/107/N4",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 138,
      "atom1_serNum": 2424,
      "atom2_serNum": 2434,
      "donAcc_type": "acceptable",
      "distance": 1.997,
      "atom1_id": "///C/102/O2'",
      "atom2_id": "///C/103/OP1",
      "atom_pair": "O:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 139,
      "atom1_serNum": 2450,
      "atom2_serNum": 3179,
      "donAcc_type": "standard",
      "distance": 2.881,
      "atom1_id": "///C/103/N6",
      "atom2_id": "///C/126/O4",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 140,
      "atom1_serNum": 2451,
      "atom2_serNum": 3177,
      "donAcc_type": "standard",
      "distance": 2.970,
      "atom1_id": "///C/103/N1",
      "atom2_id": "///C/126/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 141,
      "atom1_serNum": 2480,
      "atom2_serNum": 3148,
      "donAcc_type": "standard",
      "distance": 2.718,
      "atom1_id": "///C/104/O2",
      "atom2_id": "///C/125/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 142,
      "atom1_serNum": 2481,
      "atom2_serNum": 3146,
      "donAcc_type": "standard",
      "distance": 2.837,
      "atom1_id": "///C/104/N3",
      "atom2_id": "///C/125/N1",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 143,
      "atom1_serNum": 2483,
      "atom2_serNum": 3145,
      "donAcc_type": "standard",
      "distance": 2.836,
      "atom1_id": "///C/104/N4",
      "atom2_id": "///C/125/O6",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 144,
      "atom1_serNum": 2511,
      "atom2_serNum": 3114,
      "donAcc_type": "standard",
      "distance": 3.095,
      "atom1_id": "///C/105/O2",
      "atom2_id": "///C/124/N2",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 145,
      "atom1_serNum": 2512,
      "atom2_serNum": 3112,
      "donAcc_type": "standard",
      "distance": 2.974,
      "atom1_id": "///C/105/N3",
      "atom2_id": "///C/124/N1",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 146,
      "atom1_serNum": 2514,
      "atom2_serNum": 3111,
      "donAcc_type": "standard",
      "distance": 2.769,
      "atom1_id": "///C/105/N4",
      "atom2_id": "///C/124/O6",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 147,
      "atom1_serNum": 2538,
      "atom2_serNum": 3079,
      "donAcc_type": "acceptable",
      "distance": 2.811,
      "atom1_id": "///C/106/O2'",
      "atom2_id": "///C/123/N1",
      "atom_pair": "O:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 148,
      "atom1_serNum": 2548,
      "atom2_serNum": 3071,
      "donAcc_type": "acceptable",
      "distance": 2.878,
      "atom1_id": "///C/106/N2",
      "atom2_id": "///C/123/O2'",
      "atom_pair": "N:O",
      "residue_pair": "nt:nt"
    },
    {
      "index": 149,
      "atom1_serNum": 2548,
      "atom2_serNum": 3081,
      "donAcc_type": "standard",
      "distance": 3.177,
      "atom1_id": "///C/106/N2",
      "atom2_id": "///C/123/N3",
      "atom_pair": "N:N",
      "residue_pair": "nt:nt"
    },
    {
      "index": 150,
      "atom1_serNum": 3170,
      "atom2_serNum": 3232,
      "donAcc_type": "questionable",
      "distance": 2.896,
      "atom1_id": "///C/126/O3'",
      "atom2_id": "///C/128/O4'",
      "atom_pair": "O:O",
      "residue_pair": "nt:nt"
    }
  ],
  "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": "6ol3",
    "num_naChains": 1,
    "naChains": "C=111",
    "num_atoms": 3558,
    "num_waters": 9,
    "num_metals": 1,
    "metals_desc": "K=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": 19,
    "auxfiles": [
      {
        "index": 1,
        "name": "dssr-pairs.pdb",
        "desc": "an ensemble of base pairs"
      },
      {
        "index": 2,
        "name": "dssr-multiplets.pdb",
        "desc": "an ensemble of multiplets"
      },
      {
        "index": 3,
        "name": "dssr-stems.pdb",
        "desc": "an ensemble of stems"
      },
      {
        "index": 4,
        "name": "dssr-helices.pdb",
        "desc": "an ensemble of helices (coaxial stacking)"
      },
      {
        "index": 5,
        "name": "dssr-hairpins.pdb",
        "desc": "an ensemble of hairpin loops"
      },
      {
        "index": 6,
        "name": "dssr-iloops.pdb",
        "desc": "an ensemble of internal loops"
      },
      {
        "index": 7,
        "name": "dssr-junctions.pdb",
        "desc": "an ensemble of junctions (multi-branch)"
      },
      {
        "index": 8,
        "name": "dssr-2ndstrs.bpseq",
        "desc": "secondary structure in bpseq format"
      },
      {
        "index": 9,
        "name": "dssr-2ndstrs.ct",
        "desc": "secondary structure in connectivity table format"
      },
      {
        "index": 10,
        "name": "dssr-2ndstrs.dbn",
        "desc": "secondary structure in dot-bracket notation"
      },
      {
        "index": 11,
        "name": "dssr-torsions.txt",
        "desc": "backbone torsion angles and suite names"
      },
      {
        "index": 12,
        "name": "dssr-splays.pdb",
        "desc": "an ensemble of splayed-apart units"
      },
      {
        "index": 13,
        "name": "dssr-Aminors.pdb",
        "desc": "an ensemble of A minor motifs (types I and II)"
      },
      {
        "index": 14,
        "name": "dssr-stacks.pdb",
        "desc": "an ensemble of base stacks"
      },
      {
        "index": 15,
        "name": "dssr-atom2bases.pdb",
        "desc": "an ensemble of atom-base stacking interactions"
      },
      {
        "index": 16,
        "name": "dssr-rotmat.txt",
        "desc": "position vector and rotation matrix"
      },
      {
        "index": 17,
        "name": "dssr-viewV.pdb",
        "desc": "vertical view of the principal moment of inertia"
      },
      {
        "index": 18,
        "name": "dssr-viewH.pdb",
        "desc": "horizontal view of the principal moment of inertia"
      },
      {
        "index": 19,
        "name": "dssr-viewT.pdb",
        "desc": "top view of the principal moment of inertia"
      }
    ],
    "time_used": "999"
  }
}