Data quality metrics extracted from 5ska.cif.gz by aB_cif2table1 from BUSTER (Global Phasing Ltd.). See also the PDBx/mmCIF dictionary.

Raw JSON data
{
  "mxlims_type": "ReflectionSet",
  "version": "0.2.2",
  "uuid": "8710bd84064974f8157d220ea1ef09c9",
  "space_group_name": "H 3",
  "unit_cell": {
    "a": 135.148,
    "b": 135.148,
    "c": 235.062,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 120.0
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [43.62,2.210],
    "number_observations": 410669,
    "number_observations_unique": 80114,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.142
      },
      {
        "type": "R(meas)",
        "value": 0.158
      },
      {
        "type": "I/SigI",
        "value": 10.150
      },
      {
        "type": "Completeness",
        "value": 99.900
      },
      {
        "type": "Redundancy",
        "value": 5.126
      },
      {
        "type": "CC(1/2)",
        "value": 0.995
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.270,2.210],
      "number_observations": 30020,
      "number_observations_unique": 5911,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.435
        },
        {
          "type": "R(meas)",
          "value": 1.602
        },
        {
          "type": "I/SigI",
          "value": 1.100
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.079
        },
        {
          "type": "CC(1/2)",
          "value": 0.351
        }
      ]
    },
    {
      "resolution_limits": [2.330,2.270],
      "number_observations": 28351,
      "number_observations_unique": 5783,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.121
        },
        {
          "type": "R(meas)",
          "value": 1.257
        },
        {
          "type": "I/SigI",
          "value": 1.390
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.902
        },
        {
          "type": "CC(1/2)",
          "value": 0.483
        }
      ]
    },
    {
      "resolution_limits": [2.400,2.330],
      "number_observations": 28109,
      "number_observations_unique": 5609,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.897
        },
        {
          "type": "R(meas)",
          "value": 1.002
        },
        {
          "type": "I/SigI",
          "value": 1.750
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.011
        },
        {
          "type": "CC(1/2)",
          "value": 0.596
        }
      ]
    },
    {
      "resolution_limits": [2.470,2.400],
      "number_observations": 29131,
      "number_observations_unique": 5457,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.726
        },
        {
          "type": "R(meas)",
          "value": 0.805
        },
        {
          "type": "I/SigI",
          "value": 2.230
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.338
        },
        {
          "type": "CC(1/2)",
          "value": 0.711
        }
      ]
    },
    {
      "resolution_limits": [2.550,2.470],
      "number_observations": 28515,
      "number_observations_unique": 5310,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.587
        },
        {
          "type": "R(meas)",
          "value": 0.651
        },
        {
          "type": "I/SigI",
          "value": 2.810
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.370
        },
        {
          "type": "CC(1/2)",
          "value": 0.777
        }
      ]
    },
    {
      "resolution_limits": [2.640,2.550],
      "number_observations": 27312,
      "number_observations_unique": 5112,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.448
        },
        {
          "type": "R(meas)",
          "value": 0.497
        },
        {
          "type": "I/SigI",
          "value": 3.670
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.343
        },
        {
          "type": "CC(1/2)",
          "value": 0.845
        }
      ]
    },
    {
      "resolution_limits": [2.740,2.640],
      "number_observations": 25731,
      "number_observations_unique": 4895,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.362
        },
        {
          "type": "R(meas)",
          "value": 0.402
        },
        {
          "type": "I/SigI",
          "value": 4.550
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.257
        },
        {
          "type": "CC(1/2)",
          "value": 0.890
        }
      ]
    },
    {
      "resolution_limits": [2.850,2.740],
      "number_observations": 23993,
      "number_observations_unique": 4797,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.293
        },
        {
          "type": "R(meas)",
          "value": 0.327
        },
        {
          "type": "I/SigI",
          "value": 5.420
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.002
        },
        {
          "type": "CC(1/2)",
          "value": 0.930
        }
      ]
    },
    {
      "resolution_limits": [2.980,2.850],
      "number_observations": 23647,
      "number_observations_unique": 4569,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.229
        },
        {
          "type": "R(meas)",
          "value": 0.255
        },
        {
          "type": "I/SigI",
          "value": 7.080
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 5.176
        },
        {
          "type": "CC(1/2)",
          "value": 0.957
        }
      ]
    },
    {
      "resolution_limits": [3.130,2.980],
      "number_observations": 23491,
      "number_observations_unique": 4353,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.177
        },
        {
          "type": "R(meas)",
          "value": 0.196
        },
        {
          "type": "I/SigI",
          "value": 9.120
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.397
        },
        {
          "type": "CC(1/2)",
          "value": 0.976
        }
      ]
    },
    {
      "resolution_limits": [3.290,3.130],
      "number_observations": 22072,
      "number_observations_unique": 4148,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.133
        },
        {
          "type": "R(meas)",
          "value": 0.147
        },
        {
          "type": "I/SigI",
          "value": 12.130
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.321
        },
        {
          "type": "CC(1/2)",
          "value": 0.985
        }
      ]
    },
    {
      "resolution_limits": [3.490,3.290],
      "number_observations": 20173,
      "number_observations_unique": 3898,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.095
        },
        {
          "type": "R(meas)",
          "value": 0.105
        },
        {
          "type": "I/SigI",
          "value": 16.040
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.175
        },
        {
          "type": "CC(1/2)",
          "value": 0.991
        }
      ]
    },
    {
      "resolution_limits": [3.740,3.490],
      "number_observations": 17619,
      "number_observations_unique": 3671,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.077
        },
        {
          "type": "R(meas)",
          "value": 0.086
        },
        {
          "type": "I/SigI",
          "value": 18.980
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.800
        },
        {
          "type": "CC(1/2)",
          "value": 0.993
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      ]
    },
    {
      "resolution_limits": [4.030,3.740],
      "number_observations": 17102,
      "number_observations_unique": 3421,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.064
        },
        {
          "type": "R(meas)",
          "value": 0.071
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        {
          "type": "I/SigI",
          "value": 22.440
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.999
        },
        {
          "type": "CC(1/2)",
          "value": 0.994
        }
      ]
    },
    {
      "resolution_limits": [4.420,4.030],
      "number_observations": 16348,
      "number_observations_unique": 3182,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.055
        },
        {
          "type": "R(meas)",
          "value": 0.061
        },
        {
          "type": "I/SigI",
          "value": 25.560
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        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.138
        },
        {
          "type": "CC(1/2)",
          "value": 0.996
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      ]
    },
    {
      "resolution_limits": [4.940,4.420],
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      "number_observations_unique": 2821,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.050
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        {
          "type": "R(meas)",
          "value": 0.055
        },
        {
          "type": "I/SigI",
          "value": 27.310
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.983
        },
        {
          "type": "CC(1/2)",
          "value": 0.996
        }
      ]
    },
    {
      "resolution_limits": [5.710,4.940],
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      "number_observations_unique": 2520,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.050
        },
        {
          "type": "R(meas)",
          "value": 0.057
        },
        {
          "type": "I/SigI",
          "value": 26.110
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.665
        },
        {
          "type": "CC(1/2)",
          "value": 0.996
        }
      ]
    },
    {
      "resolution_limits": [6.990,5.710],
      "number_observations": 10939,
      "number_observations_unique": 2141,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.050
        },
        {
          "type": "R(meas)",
          "value": 0.056
        },
        {
          "type": "I/SigI",
          "value": 27.510
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 5.109
        },
        {
          "type": "CC(1/2)",
          "value": 0.996
        }
      ]
    },
    {
      "resolution_limits": [9.880,6.990],
      "number_observations": 7913,
      "number_observations_unique": 1614,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.039
        },
        {
          "type": "R(meas)",
          "value": 0.044
        },
        {
          "type": "I/SigI",
          "value": 31.220
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 4.903
        },
        {
          "type": "CC(1/2)",
          "value": 0.997
        }
      ]
    },
    {
      "resolution_limits": [43.620,9.880],
      "number_observations": 4390,
      "number_observations_unique": 902,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.037
        },
        {
          "type": "R(meas)",
          "value": 0.042
        },
        {
          "type": "I/SigI",
          "value": 33.170
        },
        {
          "type": "Completeness",
          "value": 98.700
        },
        {
          "type": "Redundancy",
          "value": 4.867
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    }
  ]

}
  

Table 1 generated from MXLIMS-JSON (via JavaScript):


Binned data generated from MXLIMS-JSON (via JavaScript):