Data quality metrics extracted from 4k2d.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": "8a0a2c2b9ada7ae40e94acc909c843c7",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 59.32,
    "b": 62.30,
    "c": 68.78,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.95370],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [46.174,1.500],
    "number_observations_unique": 20726,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.102
      },
      {
        "type": "I/SigI",
        "value": 10.100
      },
      {
        "type": "Completeness",
        "value": 100.000
      },
      {
        "type": "Redundancy",
        "value": 6.800
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.000,1.900],
      "number_observations": 20696,
      "number_observations_unique": 2965,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.732
        },
        {
          "type": "I/SigI",
          "value": 1.000
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 7.000
        }
      ]
    },
    {
      "resolution_limits": [2.120,2.000],
      "number_observations": 19714,
      "number_observations_unique": 2818,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.431
        },
        {
          "type": "I/SigI",
          "value": 1.700
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 7.000
        }
      ]
    },
    {
      "resolution_limits": [2.270,2.120],
      "number_observations": 18518,
      "number_observations_unique": 2652,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.283
        },
        {
          "type": "I/SigI",
          "value": 2.600
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 7.000
        }
      ]
    },
    {
      "resolution_limits": [2.450,2.270],
      "number_observations": 17252,
      "number_observations_unique": 2485,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.200
        },
        {
          "type": "I/SigI",
          "value": 3.600
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.900
        }
      ]
    },
    {
      "resolution_limits": [2.690,2.450],
      "number_observations": 15792,
      "number_observations_unique": 2295,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.147
        },
        {
          "type": "I/SigI",
          "value": 4.700
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.900
        }
      ]
    },
    {
      "resolution_limits": [3.000,2.690],
      "number_observations": 14129,
      "number_observations_unique": 2073,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.107
        },
        {
          "type": "I/SigI",
          "value": 6.400
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.800
        }
      ]
    },
    {
      "resolution_limits": [3.470,3.000],
      "number_observations": 12383,
      "number_observations_unique": 1854,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.089
        },
        {
          "type": "I/SigI",
          "value": 7.200
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.700
        }
      ]
    },
    {
      "resolution_limits": [4.250,3.470],
      "number_observations": 10009,
      "number_observations_unique": 1586,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.086
        },
        {
          "type": "I/SigI",
          "value": 7.400
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.300
        }
      ]
    },
    {
      "resolution_limits": [6.010,4.250],
      "number_observations": 7867,
      "number_observations_unique": 1252,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.062
        },
        {
          "type": "I/SigI",
          "value": 9.600
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 6.300
        }
      ]
    },
    {
      "resolution_limits": [44.921,6.010],
      "number_observations": 4611,
      "number_observations_unique": 746,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.037
        },
        {
          "type": "I/SigI",
          "value": 16.600
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 6.200
        }
      ]
    }
  ]

}
  

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


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