Data quality metrics extracted from 4pqk.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": "b2b8fef0f58f6df644e3c836fa96dc38",
  "space_group_name": "P 1",
  "unit_cell": {
    "a": 64.220,
    "b": 93.668,
    "c": 100.806,
    "alpha": 107.67,
    "beta": 108.30,
    "gamma": 84.93
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.000,3.400],
    "number_observations_unique": 28157,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.116
      },
      {
        "type": "I/SigI",
        "value": 10.000
      },
      {
        "type": "Completeness",
        "value": 94.900
      },
      {
        "type": "Redundancy",
        "value": 2.400
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [3.460,3.400],
      "number_observations_unique": 1246,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.241
        },
        {
          "type": "Completeness",
          "value": 87.000
        },
        {
          "type": "Redundancy",
          "value": 2.100
        }
      ]
    },
    {
      "resolution_limits": [3.520,3.460],
      "number_observations_unique": 1351,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.228
        },
        {
          "type": "Completeness",
          "value": 88.400
        },
        {
          "type": "Redundancy",
          "value": 2.100
        }
      ]
    },
    {
      "resolution_limits": [3.590,3.520],
      "number_observations_unique": 1337,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.217
        },
        {
          "type": "Completeness",
          "value": 90.200
        },
        {
          "type": "Redundancy",
          "value": 2.100
        }
      ]
    },
    {
      "resolution_limits": [3.660,3.590],
      "number_observations_unique": 1339,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.200
        },
        {
          "type": "Completeness",
          "value": 91.600
        },
        {
          "type": "Redundancy",
          "value": 2.100
        }
      ]
    },
    {
      "resolution_limits": [3.740,3.660],
      "number_observations_unique": 1433,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.202
        },
        {
          "type": "Completeness",
          "value": 94.600
        },
        {
          "type": "Redundancy",
          "value": 2.100
        }
      ]
    },
    {
      "resolution_limits": [3.830,3.740],
      "number_observations_unique": 1385,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.186
        },
        {
          "type": "Completeness",
          "value": 95.700
        },
        {
          "type": "Redundancy",
          "value": 2.200
        }
      ]
    },
    {
      "resolution_limits": [3.920,3.830],
      "number_observations_unique": 1455,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.189
        },
        {
          "type": "Completeness",
          "value": 96.400
        },
        {
          "type": "Redundancy",
          "value": 2.200
        }
      ]
    },
    {
      "resolution_limits": [4.030,3.920],
      "number_observations_unique": 1442,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.177
        },
        {
          "type": "Completeness",
          "value": 97.200
        },
        {
          "type": "Redundancy",
          "value": 2.300
        }
      ]
    },
    {
      "resolution_limits": [4.150,4.030],
      "number_observations_unique": 1437,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.169
        },
        {
          "type": "Completeness",
          "value": 96.800
        },
        {
          "type": "Redundancy",
          "value": 2.300
        }
      ]
    },
    {
      "resolution_limits": [4.280,4.150],
      "number_observations_unique": 1489,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.160
        },
        {
          "type": "Completeness",
          "value": 97.600
        },
        {
          "type": "Redundancy",
          "value": 2.300
        }
      ]
    },
    {
      "resolution_limits": [4.440,4.280],
      "number_observations_unique": 1413,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.162
        },
        {
          "type": "Completeness",
          "value": 97.900
        },
        {
          "type": "Redundancy",
          "value": 2.300
        }
      ]
    },
    {
      "resolution_limits": [4.610,4.440],
      "number_observations_unique": 1440,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.145
        },
        {
          "type": "Completeness",
          "value": 97.400
        },
        {
          "type": "Redundancy",
          "value": 2.400
        }
      ]
    },
    {
      "resolution_limits": [4.820,4.610],
      "number_observations_unique": 1417,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.135
        },
        {
          "type": "Completeness",
          "value": 95.900
        },
        {
          "type": "Redundancy",
          "value": 2.400
        }
      ]
    },
    {
      "resolution_limits": [5.080,4.820],
      "number_observations_unique": 1459,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.126
        },
        {
          "type": "Completeness",
          "value": 96.400
        },
        {
          "type": "Redundancy",
          "value": 2.500
        }
      ]
    },
    {
      "resolution_limits": [5.400,5.080],
      "number_observations_unique": 1424,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.114
        },
        {
          "type": "Completeness",
          "value": 96.200
        },
        {
          "type": "Redundancy",
          "value": 2.500
        }
      ]
    },
    {
      "resolution_limits": [5.810,5.400],
      "number_observations_unique": 1429,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.107
        },
        {
          "type": "Completeness",
          "value": 96.400
        },
        {
          "type": "Redundancy",
          "value": 2.500
        }
      ]
    },
    {
      "resolution_limits": [6.400,5.810],
      "number_observations_unique": 1427,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.095
        },
        {
          "type": "Completeness",
          "value": 95.500
        },
        {
          "type": "Redundancy",
          "value": 2.500
        }
      ]
    },
    {
      "resolution_limits": [7.320,6.400],
      "number_observations_unique": 1408,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.082
        },
        {
          "type": "Completeness",
          "value": 95.200
        },
        {
          "type": "Redundancy",
          "value": 2.600
        }
      ]
    },
    {
      "resolution_limits": [9.210,7.320],
      "number_observations_unique": 1418,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.063
        },
        {
          "type": "Completeness",
          "value": 95.400
        },
        {
          "type": "Redundancy",
          "value": 2.700
        }
      ]
    },
    {
      "resolution_limits": [50.000,9.210],
      "number_observations_unique": 1408,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.057
        },
        {
          "type": "Completeness",
          "value": 95.300
        },
        {
          "type": "Redundancy",
          "value": 2.800
        }
      ]
    }
  ]

}
  

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


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