Data quality metrics extracted from 4kn3.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": "26c29f675ee6a07bafae333206b2e811",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 58.982,
    "b": 67.657,
    "c": 67.870,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.000,1.7800],
    "number_observations_unique": 26181,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.040
      },
      {
        "type": "I/SigI",
        "value": 20.200
      },
      {
        "type": "Completeness",
        "value": 98.800
      },
      {
        "type": "Redundancy",
        "value": 3.000
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.820,1.790],
      "number_observations_unique": 1232,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.121
        },
        {
          "type": "Completeness",
          "value": 97.900
        },
        {
          "type": "Redundancy",
          "value": 2.700
        }
      ]
    },
    {
      "resolution_limits": [1.850,1.820],
      "number_observations_unique": 1331,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.114
        },
        {
          "type": "Completeness",
          "value": 99.400
        },
        {
          "type": "Redundancy",
          "value": 2.900
        }
      ]
    },
    {
      "resolution_limits": [1.890,1.850],
      "number_observations_unique": 1281,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.109
        },
        {
          "type": "Completeness",
          "value": 99.100
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [1.930,1.890],
      "number_observations_unique": 1280,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.092
        },
        {
          "type": "Completeness",
          "value": 99.100
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [1.970,1.930],
      "number_observations_unique": 1285,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.078
        },
        {
          "type": "Completeness",
          "value": 99.200
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.020,1.970],
      "number_observations_unique": 1309,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.070
        },
        {
          "type": "Completeness",
          "value": 99.200
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.070,2.020],
      "number_observations_unique": 1306,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.064
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.120,2.070],
      "number_observations_unique": 1292,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.059
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.180,2.120],
      "number_observations_unique": 1308,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.055
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.260,2.180],
      "number_observations_unique": 1308,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.048
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.340,2.260],
      "number_observations_unique": 1306,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.047
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.430,2.340],
      "number_observations_unique": 1331,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.043
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.000
        }
      ]
    },
    {
      "resolution_limits": [2.540,2.430],
      "number_observations_unique": 1304,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.042
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.670,2.540],
      "number_observations_unique": 1327,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [2.840,2.670],
      "number_observations_unique": 1322,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [3.060,2.840],
      "number_observations_unique": 1314,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.039
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [3.370,3.060],
      "number_observations_unique": 1335,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.041
        },
        {
          "type": "Completeness",
          "value": 99.300
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [3.860,3.370],
      "number_observations_unique": 1328,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.046
        },
        {
          "type": "Completeness",
          "value": 98.700
        },
        {
          "type": "Redundancy",
          "value": 3.100
        }
      ]
    },
    {
      "resolution_limits": [4.860,3.860],
      "number_observations_unique": 1356,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.034
        },
        {
          "type": "Completeness",
          "value": 98.000
        },
        {
          "type": "Redundancy",
          "value": 3.000
        }
      ]
    },
    {
      "resolution_limits": [50.000,4.860],
      "number_observations_unique": 1326,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.023
        },
        {
          "type": "Completeness",
          "value": 90.600
        },
        {
          "type": "Redundancy",
          "value": 3.000
        }
      ]
    }
  ]

}
  

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


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