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      "bridges": [
        {
          "index": 1,
          "num_nts": 9,
          "nts_short": "AGUGGUUAG",
          "nts_long": "///J/265,///J/266,///J/267,///J/268,///J/269,///J/270,///J/271,///J/272,///J/273"
        }
      ]
    },
    {
      "index": 6,
      "type": "hairpin loop",
      "bridging_nts": [
        5
      ],
      "stem_indices": [
        14
      ],
      "summary": "[1] 5 [J.273 J.279] 5",
      "num_nts": 7,
      "nts_short": "GCGAUAC",
      "nts_long": "///J/273,///J/274,///J/275,///J/276,///J/277,///J/278,///J/279",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 5,
          "nts_short": "CGAUA",
          "nts_long": "///J/274,///J/275,///J/276,///J/277,///J/278"
        }
      ]
    },
    {
      "index": 7,
      "type": "hairpin loop",
      "bridging_nts": [
        4
      ],
      "stem_indices": [
        16
      ],
      "summary": "[1] 4 [J.304 J.309] 7",
      "num_nts": 6,
      "nts_short": "AGGGAU",
      "nts_long": "///J/304,///J/305,///J/306,///J/307,///J/308,///J/309",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 4,
          "nts_short": "GGGA",
          "nts_long": "///J/305,///J/306,///J/307,///J/308"
        }
      ]
    },
    {
      "index": 8,
      "type": "hairpin loop",
      "bridging_nts": [
        9
      ],
      "stem_indices": [
        18
      ],
      "summary": "[1] 9 [J.327 J.337] 6",
      "num_nts": 11,
      "nts_short": "UAAAACAUAAG",
      "nts_long": "///J/327,///J/328,///J/329,///J/330,///J/331,///J/332,///J/333,///J/334,///J/335,///J/336,///J/337",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 9,
          "nts_short": "AAAACAUAA",
          "nts_long": "///J/328,///J/329,///J/330,///J/331,///J/332,///J/333,///J/334,///J/335,///J/336"
        }
      ]
    },
    {
      "index": 9,
      "type": "hairpin loop",
      "bridging_nts": [
        9
      ],
      "stem_indices": [
        19
      ],
      "summary": "[1] 9 [J.363 J.373] 3",
      "num_nts": 11,
      "nts_short": "UGUAAUCUCAG",
      "nts_long": "///J/363,///J/364,///J/365,///J/366,///J/367,///J/368,///J/369,///J/370,///J/371,///J/372,///J/373",
      "num_stems": 1,
      "bridges": [
        {
          "index": 1,
          "num_nts": 9,
          "nts_short": "GUAAUCUCA",
          "nts_long": "///J/364,///J/365,///J/366,///J/367,///J/368,///J/369,///J/370,///J/371,///J/372"
        }
      ]
    }
  ],
  "num_iloops": 8,
  "iloops": [
    {
      "index": 1,
      "type": "symmetric internal loop",
      "bridging_nts": [
        1,
        1
      ],
      "stem_indices": [
        4,
        5
      ],
      "summary": "[2] 1 1 [J.48 J.117 J.50 J.115] 3 2",
      "num_nts": 6,
      "nts_short": "CAAUUG",
      "nts_long": "///J/48,///J/49,///J/50,///J/115,///J/116,///J/117",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 1,
          "nts_short": "A",
          "nts_long": "///J/49"
        },
        {
          "index": 2,
          "num_nts": 1,
          "nts_short": "U",
          "nts_long": "///J/116"
        }
      ]
    },
    {
      "index": 2,
      "type": "symmetric internal loop",
      "bridging_nts": [
        1,
        1
      ],
      "stem_indices": [
        13,
        -3
      ],
      "summary": "[2] 1 1 [J.211 J.220 J.213 J.218] 5 1",
      "num_nts": 6,
      "nts_short": "CUUGGG",
      "nts_long": "///J/211,///J/212,///J/213,///J/218,///J/219,///J/220",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 1,
          "nts_short": "U",
          "nts_long": "///J/212"
        },
        {
          "index": 2,
          "num_nts": 1,
          "nts_short": "G",
          "nts_long": "///J/219"
        }
      ]
    },
    {
      "index": 3,
      "type": "asymmetric internal loop",
      "bridging_nts": [
        1,
        2
      ],
      "stem_indices": [
        5,
        -1
      ],
      "summary": "[2] 1 2 [J.51 J.114 J.53 J.111] 2 1",
      "num_nts": 7,
      "nts_short": "UGCGUCA",
      "nts_long": "///J/51,///J/52,///J/53,///J/111,///J/112,///J/113,///J/114",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 1,
          "nts_short": "G",
          "nts_long": "///J/52"
        },
        {
          "index": 2,
          "num_nts": 2,
          "nts_short": "UC",
          "nts_long": "///J/112,///J/113"
        }
      ]
    },
    {
      "index": 4,
      "type": "asymmetric internal loop",
      "bridging_nts": [
        3,
        1
      ],
      "stem_indices": [
        2,
        3
      ],
      "summary": "[2] 3 1 [J.13 J.41 J.17 J.39] 4 9",
      "num_nts": 8,
      "nts_short": "GCAUUAAC",
      "nts_long": "///J/13,///J/14,///J/15,///J/16,///J/17,///J/39,///J/40,///J/41",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 3,
          "nts_short": "CAU",
          "nts_long": "///J/14,///J/15,///J/16"
        },
        {
          "index": 2,
          "num_nts": 1,
          "nts_short": "A",
          "nts_long": "///J/40"
        }
      ]
    },
    {
      "index": 5,
      "type": "symmetric internal loop",
      "bridging_nts": [
        2,
        2
      ],
      "stem_indices": [
        9,
        10
      ],
      "summary": "[2] 2 2 [J.162 J.180 J.165 J.177] 5 3",
      "num_nts": 8,
      "nts_short": "AGAGUAAU",
      "nts_long": "///J/162,///J/163,///J/164,///J/165,///J/177,///J/178,///J/179,///J/180",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 2,
          "nts_short": "GA",
          "nts_long": "///J/163,///J/164"
        },
        {
          "index": 2,
          "num_nts": 2,
          "nts_short": "AA",
          "nts_long": "///J/178,///J/179"
        }
      ]
    },
    {
      "index": 6,
      "type": "symmetric internal loop",
      "bridging_nts": [
        2,
        2
      ],
      "stem_indices": [
        12,
        13
      ],
      "summary": "[2] 2 2 [J.204 J.227 J.207 J.224] 2 5",
      "num_nts": 8,
      "nts_short": "CUUAUUCG",
      "nts_long": "///J/204,///J/205,///J/206,///J/207,///J/224,///J/225,///J/226,///J/227",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 2,
          "nts_short": "UU",
          "nts_long": "///J/205,///J/206"
        },
        {
          "index": 2,
          "num_nts": 2,
          "nts_short": "UC",
          "nts_long": "///J/225,///J/226"
        }
      ]
    },
    {
      "index": 7,
      "type": "symmetric internal loop",
      "bridging_nts": [
        4,
        4
      ],
      "stem_indices": [
        -2,
        12
      ],
      "summary": "[2] 4 4 [J.198 J.233 J.203 J.228] 1 2",
      "num_nts": 12,
      "nts_short": "AAGCAGUUAAUU",
      "nts_long": "///J/198,///J/199,///J/200,///J/201,///J/202,///J/203,///J/228,///J/229,///J/230,///J/231,///J/232,///J/233",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 4,
          "nts_short": "AGCA",
          "nts_long": "///J/199,///J/200,///J/201,///J/202"
        },
        {
          "index": 2,
          "num_nts": 4,
          "nts_short": "UAAU",
          "nts_long": "///J/229,///J/230,///J/231,///J/232"
        }
      ]
    },
    {
      "index": 8,
      "type": "asymmetric internal loop",
      "bridging_nts": [
        7,
        6
      ],
      "stem_indices": [
        11,
        -2
      ],
      "summary": "[2] 7 6 [J.190 J.240 J.198 J.233] 6 1",
      "num_nts": 17,
      "nts_short": "AAAGAGUAAUGAAAAAU",
      "nts_long": "///J/190,///J/191,///J/192,///J/193,///J/194,///J/195,///J/196,///J/197,///J/198,///J/233,///J/234,///J/235,///J/236,///J/237,///J/238,///J/239,///J/240",
      "num_stems": 2,
      "bridges": [
        {
          "index": 1,
          "num_nts": 7,
          "nts_short": "AAGAGUA",
          "nts_long": "///J/191,///J/192,///J/193,///J/194,///J/195,///J/196,///J/197"
        },
        {
          "index": 2,
          "num_nts": 6,
          "nts_short": "GAAAAA",
          "nts_long": "///J/234,///J/235,///J/236,///J/237,///J/238,///J/239"
        }
      ]
    }
  ],
  "num_junctions": 1,
  "junctions": [
    {
      "index": 1,
      "type": "6-way junction",
      "bridging_nts": [
        1,
        0,
        2,
        4,
        3,
        5
      ],
      "stem_indices": [
        15,
        16,
        17,
        19,
        17,
        18
      ],
      "summary": "[6] 1 0 2 4 3 5 [J.296 J.348 J.298 J.315 J.316 J.370 J.373 J.363 J.368 J.318 J.322 J.342] 6 7 3 3 3 6",
      "is_repeated": true,
      "num_nts": 27,
      "nts_short": "UUAUGUCAGUGUAAUAUAAAUGAAAGA",
      "nts_long": "///J/296,///J/297,///J/298,///J/315,///J/316,///J/370,///J/371,///J/372,///J/373,///J/363,///J/364,///J/365,///J/366,///J/367,///J/368,///J/318,///J/319,///J/320,///J/321,///J/322,///J/342,///J/343,///J/344,///J/345,///J/346,///J/347,///J/348",
      "num_stems": 6,
      "bridges": [
        {
          "index": 1,
          "num_nts": 1,
          "nts_short": "U",
          "nts_long": "///J/297"
        },
        {
          "index": 2,
          "num_nts": 0,
          "nts_short": "",
          "nts_long": ""
        },
        {
          "index": 3,
          "num_nts": 2,
          "nts_short": "CA",
          "nts_long": "///J/371,///J/372"
        },
        {
          "index": 4,
          "num_nts": 4,
          "nts_short": "GUAA",
          "nts_long": "///J/364,///J/365,///J/366,///J/367"
        },
        {
          "index": 5,
          "num_nts": 3,
          "nts_short": "UAA",
          "nts_long": "///J/319,///J/320,///J/321"
        },
        {
          "index": 6,
          "num_nts": 5,
          "nts_short": "GAAAG",
          "nts_long": "///J/343,///J/344,///J/345,///J/346,///J/347"
        }
      ]
    }
  ],
  "num_ssSegments": 10,
  "ssSegments": [
    {
      "index": 1,
      "num_nts": 1,
      "nts_short": "A",
      "nts_long": "///J/1"
    },
    {
      "index": 2,
      "num_nts": 1,
      "nts_short": "A",
      "nts_long": "///J/45"
    },
    {
      "index": 3,
      "num_nts": 9,
      "nts_short": "AAAGCAAAA",
      "nts_long": "///J/102,///J/103,///J/104,///J/105,///J/106,///J/107,///J/108,///J/109,///J/110"
    },
    {
      "index": 4,
      "num_nts": 4,
      "nts_short": "GAAA",
      "nts_long": "///J/130,///J/131,///J/132,///J/133"
    },
    {
      "index": 5,
      "num_nts": 3,
      "nts_short": "UUC",
      "nts_long": "///J/140,///J/141,///J/142"
    },
    {
      "index": 6,
      "num_nts": 4,
      "nts_short": "AGUA",
      "nts_long": "///J/246,///J/247,///J/248,///J/249"
    },
    {
      "index": 7,
      "num_nts": 4,
      "nts_short": "UAAC",
      "nts_long": "///J/260,///J/261,///J/262,///J/263"
    },
    {
      "index": 8,
      "num_nts": 1,
      "nts_short": "C",
      "nts_long": "///J/284"
    },
    {
      "index": 9,
      "num_nts": 7,
      "nts_short": "GACUAAA",
      "nts_long": "///J/354,///J/355,///J/356,///J/357,///J/358,///J/359,///J/360"
    },
    {
      "index": 10,
      "num_nts": 1,
      "nts_short": "U",
      "nts_long": "///J/376"
    }
  ],
  "num_Aminors": 9,
  "Aminors": [
    {
      "index": 1,
      "type": "X",
      "desc_short": "A vs A-U (WC)",
      "desc_long": "///J/103 vs ///J/4,///J/59",
      "A_nt1": {
        "desc": "///J/103 vs ///J/4",
        "face_type": "+",
        "hbonds_num": 0,
        "hbonds_desc": ""
      },
      "A_nt2": {
        "desc": "///J/103 vs ///J/59",
        "face_type": "-",
        "hbonds_num": 1,
        "hbonds_desc": "N3-O2'(hydroxyl)[2.90]"
      }
    },
    {
      "index": 2,
      "type": "I",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/104 vs ///J/5,///J/58",
      "A_nt1": {
        "desc": "///J/104 vs ///J/5",
        "face_type": "+",
        "hbonds_num": 0,
        "hbonds_desc": ""
      },
      "A_nt2": {
        "desc": "///J/104 vs ///J/58",
        "face_type": "-",
        "hbonds_num": 2,
        "hbonds_desc": "O2'(hydroxyl)-O2'(hydroxyl)[2.34],O2'(hydroxyl)-O2(carbonyl)[3.35]"
      }
    },
    {
      "index": 3,
      "type": "I",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/110 vs ///J/8,///J/55",
      "A_nt1": {
        "desc": "///J/110 vs ///J/8",
        "face_type": "+",
        "hbonds_num": 2,
        "hbonds_desc": "N1-O2'(hydroxyl)[2.49],N3-N2(amino)[3.44]"
      },
      "A_nt2": {
        "desc": "///J/110 vs ///J/55",
        "face_type": "-",
        "hbonds_num": 1,
        "hbonds_desc": "O2'(hydroxyl)-O2'(hydroxyl)[2.76]"
      }
    },
    {
      "index": 4,
      "type": "I",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/132 vs ///J/269,///J/283",
      "A_nt1": {
        "desc": "///J/132 vs ///J/269",
        "face_type": "-",
        "hbonds_num": 3,
        "hbonds_desc": "O2'(hydroxyl)-O2'(hydroxyl)[2.94],O2'(hydroxyl)-N3[3.24],N3-N2(amino)[3.28]"
      },
      "A_nt2": {
        "desc": "///J/132 vs ///J/283",
        "face_type": "+",
        "hbonds_num": 1,
        "hbonds_desc": "N1-O2'(hydroxyl)[2.96]"
      }
    },
    {
      "index": 5,
      "type": "I",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/133 vs ///J/317,///J/369",
      "A_nt1": {
        "desc": "///J/133 vs ///J/317",
        "face_type": "-",
        "hbonds_num": 0,
        "hbonds_desc": ""
      },
      "A_nt2": {
        "desc": "///J/133 vs ///J/369",
        "face_type": "+",
        "hbonds_num": 1,
        "hbonds_desc": "N1-O2'(hydroxyl)[2.92]"
      }
    },
    {
      "index": 6,
      "type": "I",
      "desc_short": "A vs C-G (WC)",
      "desc_long": "///J/246 vs ///J/139,///J/285",
      "A_nt1": {
        "desc": "///J/246 vs ///J/139",
        "face_type": "+",
        "hbonds_num": 1,
        "hbonds_desc": "N1-O2'(hydroxyl)[3.26]"
      },
      "A_nt2": {
        "desc": "///J/246 vs ///J/285",
        "face_type": "-",
        "hbonds_num": 2,
        "hbonds_desc": "O2'(hydroxyl)-N3[3.13],N3-N2(amino)[3.04]"
      }
    },
    {
      "index": 7,
      "type": "X",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/276 vs ///J/264,///J/274",
      "A_nt1": {
        "desc": "///J/276 vs ///J/264",
        "face_type": "-",
        "hbonds_num": 2,
        "hbonds_desc": "N6(amino)-O2'(hydroxyl)[2.83],N1-O2'(hydroxyl)[3.27]"
      },
      "A_nt2": {
        "desc": "///J/276 vs ///J/274",
        "face_type": "+",
        "hbonds_num": 0,
        "hbonds_desc": ""
      }
    },
    {
      "index": 8,
      "type": "X",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/278 vs ///J/264,///J/274",
      "A_nt1": {
        "desc": "///J/278 vs ///J/264",
        "face_type": "+",
        "hbonds_num": 0,
        "hbonds_desc": ""
      },
      "A_nt2": {
        "desc": "///J/278 vs ///J/274",
        "face_type": "-",
        "hbonds_num": 2,
        "hbonds_desc": "N6(amino)-O2(carbonyl)[3.13],N1-O2'(hydroxyl)[3.03]"
      }
    },
    {
      "index": 9,
      "type": "X",
      "desc_short": "A vs G-C (WC)",
      "desc_long": "///J/336 vs ///J/13,///J/41",
      "A_nt1": {
        "desc": "///J/336 vs ///J/13",
        "face_type": "-",
        "hbonds_num": 0,
        "hbonds_desc": ""
      },
      "A_nt2": {
        "desc": "///J/336 vs ///J/41",
        "face_type": "+",
        "hbonds_num": 2,
        "hbonds_desc": "N6(amino)-O2'(hydroxyl)[2.96],N1-O2'(hydroxyl)[2.65]"
      }
    }
  ],
  "num_riboseZippers": 1,
  "riboseZippers": [
    {
      "index": 1,
      "num_nts": 4,
      "nts_short": "CUAA",
      "nts_long": "///J/58,///J/59,///J/103,///J/104"
    }
  ],
  "num_splayUnits": 15,
  "splayUnits": [
    {
      "index": 1,
      "num_nts": 2,
      "nts_short": "UU",
      "nts_long": "///J/9,///J/10"
    },
    {
      "index": 2,
      "num_nts": 2,
      "nts_short": "AG",
      "nts_long": "///J/104,///J/105"
    },
    {
      "index": 3,
      "num_nts": 3,
      "nts_short": "GUC",
      "nts_long": "///J/111,///J/112,///J/113"
    },
    {
      "index": 4,
      "num_nts": 3,
      "nts_short": "AAG",
      "nts_long": "///J/132,///J/133,///J/134"
    },
    {
      "index": 5,
      "num_nts": 2,
      "nts_short": "CG",
      "nts_long": "///J/142,///J/143"
    },
    {
      "index": 6,
      "num_nts": 4,
      "nts_short": "CUAG",
      "nts_long": "///J/148,///J/149,///J/150,///J/151"
    },
    {
      "index": 7,
      "num_nts": 2,
      "nts_short": "CG",
      "nts_long": "///J/169,///J/170"
    },
    {
      "index": 8,
      "num_nts": 2,
      "nts_short": "AA",
      "nts_long": "///J/184,///J/185"
    },
    {
      "index": 9,
      "num_nts": 2,
      "nts_short": "GC",
      "nts_long": "///J/200,///J/201"
    },
    {
      "index": 10,
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      "    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": "9lec",
    "num_naChains": 1,
    "naChains": "J=336",
    "num_atoms": 7194,
    "num_waters": 0,
    "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"
  }
}
