Data quality metrics extracted from 4yok.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": "48722b4d86502b31bc99954a4ea5f50e",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 41.866,
    "b": 66.212,
    "c": 68.593,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.97947],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [26.531,1.80],
    "number_observations": 87402,
    "number_observations_unique": 18276,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.062
      },
      {
        "type": "R(meas)",
        "value": 0.078
      },
      {
        "type": "I/SigI",
        "value": 11.040
      },
      {
        "type": "Completeness",
        "value": 99.000
      },
      {
        "type": "Redundancy",
        "value": 2.58
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.860,1.800],
      "number_observations": 7957,
      "number_observations_unique": 3161,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.649
        },
        {
          "type": "R(meas)",
          "value": 0.821
        },
        {
          "type": "I/SigI",
          "value": 1.5
        },
        {
          "type": "Completeness",
          "value": 98.300
        }
      ]
    },
    {
      "resolution_limits": [1.940,1.860],
      "number_observations": 9272,
      "number_observations_unique": 3624,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.458
        },
        {
          "type": "R(meas)",
          "value": 0.578
        },
        {
          "type": "I/SigI",
          "value": 2.2
        },
        {
          "type": "Completeness",
          "value": 99.500
        }
      ]
    },
    {
      "resolution_limits": [2.030,1.940],
      "number_observations": 8848,
      "number_observations_unique": 3445,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.291
        },
        {
          "type": "R(meas)",
          "value": 0.367
        },
        {
          "type": "I/SigI",
          "value": 3.5
        },
        {
          "type": "Completeness",
          "value": 99.600
        }
      ]
    },
    {
      "resolution_limits": [2.130,2.030],
      "number_observations": 8299,
      "number_observations_unique": 3214,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.203
        },
        {
          "type": "R(meas)",
          "value": 0.256
        },
        {
          "type": "I/SigI",
          "value": 4.9
        },
        {
          "type": "Completeness",
          "value": 99.600
        }
      ]
    },
    {
      "resolution_limits": [2.270,2.130],
      "number_observations": 9240,
      "number_observations_unique": 3583,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.150
        },
        {
          "type": "R(meas)",
          "value": 0.189
        },
        {
          "type": "I/SigI",
          "value": 6.5
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.440,2.270],
      "number_observations": 8619,
      "number_observations_unique": 3312,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.119
        },
        {
          "type": "R(meas)",
          "value": 0.150
        },
        {
          "type": "I/SigI",
          "value": 8.3
        },
        {
          "type": "Completeness",
          "value": 99.300
        }
      ]
    },
    {
      "resolution_limits": [2.690,2.440],
      "number_observations": 8874,
      "number_observations_unique": 3415,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.083
        },
        {
          "type": "R(meas)",
          "value": 0.105
        },
        {
          "type": "I/SigI",
          "value": 11.4
        },
        {
          "type": "Completeness",
          "value": 99.000
        }
      ]
    },
    {
      "resolution_limits": [3.070,2.690],
      "number_observations": 8591,
      "number_observations_unique": 3310,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.056
        },
        {
          "type": "R(meas)",
          "value": 0.071
        },
        {
          "type": "I/SigI",
          "value": 15.8
        },
        {
          "type": "Completeness",
          "value": 99.000
        }
      ]
    },
    {
      "resolution_limits": [3.870,3.070],
      "number_observations": 8937,
      "number_observations_unique": 3417,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.034
        },
        {
          "type": "R(meas)",
          "value": 0.043
        },
        {
          "type": "I/SigI",
          "value": 25.0
        },
        {
          "type": "Completeness",
          "value": 98.300
        }
      ]
    },
    {
      "resolution_limits": [26.531,3.870],
      "number_observations": 8765,
      "number_observations_unique": 3361,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.026
        },
        {
          "type": "R(meas)",
          "value": 0.033
        },
        {
          "type": "I/SigI",
          "value": 31.3
        },
        {
          "type": "Completeness",
          "value": 97.400
        }
      ]
    }
  ]

}
  

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


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