Data quality metrics extracted from 4u4y.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": "92179df3a70926ea405816532cbfcc01",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 436.92,
    "b": 288.52,
    "c": 305.75,
    "alpha": 90.00,
    "beta": 99.04,
    "gamma": 90.00
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [267.96,3.200],
    "number_observations": 21800731,
    "number_observations_unique": 1226463,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.393
      },
      {
        "type": "R(meas)",
        "value": 0.404
      },
      {
        "type": "I/SigI",
        "value": 8.710
      },
      {
        "type": "Completeness",
        "value": 100.000
      },
      {
        "type": "Redundancy",
        "value": 7.71
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [3.300,3.200],
      "number_observations": 831445,
      "number_observations_unique": 107866,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 2.465
        },
        {
          "type": "R(meas)",
          "value": 2.637
        },
        {
          "type": "I/SigI",
          "value": 0.860
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.400,3.300],
      "number_observations": 1587169,
      "number_observations_unique": 95653,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 2.173
        },
        {
          "type": "R(meas)",
          "value": 2.241
        },
        {
          "type": "I/SigI",
          "value": 1.550
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.500,3.400],
      "number_observations": 1431868,
      "number_observations_unique": 84881,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.668
        },
        {
          "type": "R(meas)",
          "value": 1.719
        },
        {
          "type": "I/SigI",
          "value": 2.030
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.600,3.500],
      "number_observations": 1306023,
      "number_observations_unique": 75793,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.264
        },
        {
          "type": "R(meas)",
          "value": 1.302
        },
        {
          "type": "I/SigI",
          "value": 2.700
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.700,3.600],
      "number_observations": 1153496,
      "number_observations_unique": 67830,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 1.011
        },
        {
          "type": "R(meas)",
          "value": 1.042
        },
        {
          "type": "I/SigI",
          "value": 3.360
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.800,3.700],
      "number_observations": 1000706,
      "number_observations_unique": 60879,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.805
        },
        {
          "type": "R(meas)",
          "value": 0.830
        },
        {
          "type": "I/SigI",
          "value": 4.130
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.900,3.800],
      "number_observations": 913287,
      "number_observations_unique": 54826,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.656
        },
        {
          "type": "R(meas)",
          "value": 0.677
        },
        {
          "type": "I/SigI",
          "value": 4.990
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [4.000,3.900],
      "number_observations": 852978,
      "number_observations_unique": 49510,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.550
        },
        {
          "type": "R(meas)",
          "value": 0.566
        },
        {
          "type": "I/SigI",
          "value": 5.950
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [4.100,4.000],
      "number_observations": 762610,
      "number_observations_unique": 44709,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.479
        },
        {
          "type": "R(meas)",
          "value": 0.494
        },
        {
          "type": "I/SigI",
          "value": 6.710
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [4.200,4.100],
      "number_observations": 678894,
      "number_observations_unique": 40711,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.425
        },
        {
          "type": "R(meas)",
          "value": 0.438
        },
        {
          "type": "I/SigI",
          "value": 7.410
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [4.400,4.200],
      "number_observations": 1177080,
      "number_observations_unique": 70512,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.360
        },
        {
          "type": "R(meas)",
          "value": 0.372
        },
        {
          "type": "I/SigI",
          "value": 8.520
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [4.600,4.400],
      "number_observations": 1021774,
      "number_observations_unique": 58950,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.302
        },
        {
          "type": "R(meas)",
          "value": 0.311
        },
        {
          "type": "I/SigI",
          "value": 10.170
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [5.000,4.600],
      "number_observations": 1518092,
      "number_observations_unique": 91355,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.247
        },
        {
          "type": "R(meas)",
          "value": 0.255
        },
        {
          "type": "I/SigI",
          "value": 11.860
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [10.000,5.000],
      "number_observations": 6297730,
      "number_observations_unique": 282134,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.316
        },
        {
          "type": "R(meas)",
          "value": 0.323
        },
        {
          "type": "I/SigI",
          "value": 17.200
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [50.000,10.000],
      "number_observations": 1265843,
      "number_observations_unique": 40510,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.161
        },
        {
          "type": "R(meas)",
          "value": 0.163
        },
        {
          "type": "I/SigI",
          "value": 31.350
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [200.000,50.000],
      "number_observations": 1709,
      "number_observations_unique": 339,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.105
        },
        {
          "type": "R(meas)",
          "value": 0.116
        },
        {
          "type": "I/SigI",
          "value": 10.510
        },
        {
          "type": "Completeness",
          "value": 95.200
        }
      ]
    },
    {
      "resolution_limits": [267.96,200.000],
      "number_observations": 27,
      "number_observations_unique": 5,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.876
        },
        {
          "type": "R(meas)",
          "value": 0.971
        },
        {
          "type": "I/SigI",
          "value": 2.700
        },
        {
          "type": "Completeness",
          "value": 71.400
        }
      ]
    }
  ]

}
  

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


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