Data quality metrics extracted from 4ers.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": "54e40ef55f2f5088865301dd3b7c6729",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 46.41,
    "b": 62.25,
    "c": 104.94,
    "alpha": 90.00,
    "beta": 93.91,
    "gamma": 90.00
  },
  "wavelengths": [0.97740],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [43.468,2.637],
    "number_observations_unique": 17586,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.108
      },
      {
        "type": "I/SigI",
        "value": 14.400
      },
      {
        "type": "Completeness",
        "value": 99.300
      },
      {
        "type": "Redundancy",
        "value": 3.900
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.790,2.640],
      "number_observations": 9473,
      "number_observations_unique": 2503,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.391
        },
        {
          "type": "I/SigI",
          "value": 1.900
        },
        {
          "type": "Completeness",
          "value": 97.300
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.960,2.790],
      "number_observations": 9065,
      "number_observations_unique": 2410,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.287
        },
        {
          "type": "I/SigI",
          "value": 2.600
        },
        {
          "type": "Completeness",
          "value": 98.600
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [3.160,2.960],
      "number_observations": 8677,
      "number_observations_unique": 2253,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.200
        },
        {
          "type": "I/SigI",
          "value": 3.600
        },
        {
          "type": "Completeness",
          "value": 99.400
        },
        {
          "type": "Redundancy",
          "value": 3.900
        }
      ]
    },
    {
      "resolution_limits": [3.410,3.160],
      "number_observations": 8335,
      "number_observations_unique": 2118,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.151
        },
        {
          "type": "I/SigI",
          "value": 4.700
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 3.900
        }
      ]
    },
    {
      "resolution_limits": [3.740,3.410],
      "number_observations": 7751,
      "number_observations_unique": 1958,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.107
        },
        {
          "type": "I/SigI",
          "value": 6.400
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.000
        }
      ]
    },
    {
      "resolution_limits": [4.180,3.740],
      "number_observations": 6882,
      "number_observations_unique": 1791,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.084
        },
        {
          "type": "I/SigI",
          "value": 8.000
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [4.830,4.180],
      "number_observations": 5736,
      "number_observations_unique": 1566,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.060
        },
        {
          "type": "I/SigI",
          "value": 11.000
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.700
        }
      ]
    },
    {
      "resolution_limits": [5.910,4.830],
      "number_observations": 5613,
      "number_observations_unique": 1344,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.063
        },
        {
          "type": "I/SigI",
          "value": 9.900
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.200
        }
      ]
    },
    {
      "resolution_limits": [8.360,5.910],
      "number_observations": 4396,
      "number_observations_unique": 1042,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.058
        },
        {
          "type": "I/SigI",
          "value": 11.100
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.200
        }
      ]
    },
    {
      "resolution_limits": [43.468,8.360],
      "number_observations": 2339,
      "number_observations_unique": 601,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.044
        },
        {
          "type": "I/SigI",
          "value": 13.100
        },
        {
          "type": "Completeness",
          "value": 99.400
        },
        {
          "type": "Redundancy",
          "value": 3.900
        }
      ]
    }
  ]

}
  

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


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