Data quality metrics extracted from 4k12.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": "e3387211bbf5d03bff13ba50333f0276",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 41.587,
    "b": 48.985,
    "c": 71.382,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.97856,1.45868],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.0,1.079],
    "number_observations_unique": 63150,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.044
      },
      {
        "type": "I/SigI",
        "value": 15.1
      },
      {
        "type": "Completeness",
        "value": 99.6
      },
      {
        "type": "Redundancy",
        "value": 6.9
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.120,1.079],
      "number_observations_unique": 6252,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.359
        },
        {
          "type": "Completeness",
          "value": 99.7
        },
        {
          "type": "Redundancy",
          "value": 5.9
        }
      ]
    },
    {
      "resolution_limits": [1.160,1.120],
      "number_observations_unique": 6230,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.252
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 6.9
        }
      ]
    },
    {
      "resolution_limits": [1.220,1.160],
      "number_observations_unique": 6257,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.194
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.0
        }
      ]
    },
    {
      "resolution_limits": [1.280,1.220],
      "number_observations_unique": 6280,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.152
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.0
        }
      ]
    },
    {
      "resolution_limits": [1.360,1.280],
      "number_observations_unique": 6290,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.126
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.1
        }
      ]
    },
    {
      "resolution_limits": [1.470,1.360],
      "number_observations_unique": 6279,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.091
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.2
        }
      ]
    },
    {
      "resolution_limits": [1.610,1.470],
      "number_observations_unique": 6327,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.065
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.2
        }
      ]
    },
    {
      "resolution_limits": [1.850,1.610],
      "number_observations_unique": 6356,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.055
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.1
        }
      ]
    },
    {
      "resolution_limits": [2.330,1.850],
      "number_observations_unique": 6409,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.037
        },
        {
          "type": "Completeness",
          "value": 100.0
        },
        {
          "type": "Redundancy",
          "value": 7.2
        }
      ]
    },
    {
      "resolution_limits": [50.000,2.330],
      "number_observations_unique": 6470,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.030
        },
        {
          "type": "Completeness",
          "value": 96.8
        },
        {
          "type": "Redundancy",
          "value": 6.8
        }
      ]
    }
  ]

}
  

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


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