Data quality metrics extracted from 4kre.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": "d33a5b9643633711a5fe087befd75436",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 70.47,
    "b": 98.63,
    "c": 73.21,
    "alpha": 90.00,
    "beta": 110.96,
    "gamma": 90.00
  },
  "wavelengths": [1.07500],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.0,1.750],
    "number_observations_unique": 91609,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.055
      },
      {
        "type": "I/SigI",
        "value": 12.560
      },
      {
        "type": "Completeness",
        "value": 98.000
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.800,1.750],
      "number_observations": 12936,
      "number_observations_unique": 5855,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.422
        },
        {
          "type": "I/SigI",
          "value": 1.960
        },
        {
          "type": "Completeness",
          "value": 85.300
        }
      ]
    },
    {
      "resolution_limits": [1.850,1.800],
      "number_observations": 18400,
      "number_observations_unique": 6603,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.342
        },
        {
          "type": "I/SigI",
          "value": 2.940
        },
        {
          "type": "Completeness",
          "value": 98.500
        }
      ]
    },
    {
      "resolution_limits": [1.900,1.850],
      "number_observations": 20594,
      "number_observations_unique": 6549,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.276
        },
        {
          "type": "I/SigI",
          "value": 4.110
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [1.960,1.900],
      "number_observations": 19828,
      "number_observations_unique": 6293,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.214
        },
        {
          "type": "I/SigI",
          "value": 5.200
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.030,1.960],
      "number_observations": 19457,
      "number_observations_unique": 6162,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.162
        },
        {
          "type": "I/SigI",
          "value": 6.740
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.100,2.030],
      "number_observations": 18727,
      "number_observations_unique": 5930,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.127
        },
        {
          "type": "I/SigI",
          "value": 8.320
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.180,2.100],
      "number_observations": 18015,
      "number_observations_unique": 5694,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.104
        },
        {
          "type": "I/SigI",
          "value": 9.860
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [2.260,2.180],
      "number_observations": 17454,
      "number_observations_unique": 5530,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.087
        },
        {
          "type": "I/SigI",
          "value": 11.750
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [2.370,2.260],
      "number_observations": 16712,
      "number_observations_unique": 5286,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.075
        },
        {
          "type": "I/SigI",
          "value": 13.240
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [2.480,2.370],
      "number_observations": 15998,
      "number_observations_unique": 5048,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.068
        },
        {
          "type": "I/SigI",
          "value": 14.530
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [2.620,2.480],
      "number_observations": 15286,
      "number_observations_unique": 4841,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.061
        },
        {
          "type": "I/SigI",
          "value": 16.130
        },
        {
          "type": "Completeness",
          "value": 99.300
        }
      ]
    },
    {
      "resolution_limits": [2.770,2.620],
      "number_observations": 14224,
      "number_observations_unique": 4482,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.055
        },
        {
          "type": "I/SigI",
          "value": 17.860
        },
        {
          "type": "Completeness",
          "value": 99.100
        }
      ]
    },
    {
      "resolution_limits": [2.970,2.770],
      "number_observations": 13502,
      "number_observations_unique": 4276,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.049
        },
        {
          "type": "I/SigI",
          "value": 19.870
        },
        {
          "type": "Completeness",
          "value": 98.900
        }
      ]
    },
    {
      "resolution_limits": [3.200,2.970],
      "number_observations": 12503,
      "number_observations_unique": 3975,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.046
        },
        {
          "type": "I/SigI",
          "value": 21.460
        },
        {
          "type": "Completeness",
          "value": 98.900
        }
      ]
    },
    {
      "resolution_limits": [3.510,3.200],
      "number_observations": 11419,
      "number_observations_unique": 3632,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.044
        },
        {
          "type": "I/SigI",
          "value": 23.470
        },
        {
          "type": "Completeness",
          "value": 98.800
        }
      ]
    },
    {
      "resolution_limits": [3.920,3.510],
      "number_observations": 10266,
      "number_observations_unique": 3281,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.042
        },
        {
          "type": "I/SigI",
          "value": 24.750
        },
        {
          "type": "Completeness",
          "value": 98.200
        }
      ]
    },
    {
      "resolution_limits": [4.530,3.920],
      "number_observations": 9007,
      "number_observations_unique": 2906,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.042
        },
        {
          "type": "I/SigI",
          "value": 25.550
        },
        {
          "type": "Completeness",
          "value": 98.200
        }
      ]
    },
    {
      "resolution_limits": [5.550,4.530],
      "number_observations": 7639,
      "number_observations_unique": 2455,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "I/SigI",
          "value": 25.750
        },
        {
          "type": "Completeness",
          "value": 98.000
        }
      ]
    },
    {
      "resolution_limits": [7.850,5.550],
      "number_observations": 6031,
      "number_observations_unique": 1904,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "I/SigI",
          "value": 25.680
        },
        {
          "type": "Completeness",
          "value": 97.700
        }
      ]
    },
    {
      "resolution_limits": [50.00,7.850],
      "number_observations": 2679,
      "number_observations_unique": 907,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.041
        },
        {
          "type": "I/SigI",
          "value": 25.790
        },
        {
          "type": "Completeness",
          "value": 82.500
        }
      ]
    }
  ]

}
  

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


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