Data quality metrics extracted from 4zem.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": "1135997fdf8c2743405da1895eaab89f",
  "space_group_name": "H 3",
  "unit_cell": {
    "a": 138.00,
    "b": 138.00,
    "c": 146.64,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 120.0
  },
  "wavelengths": [0.91841],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50,2.540],
    "number_observations": 134799,
    "number_observations_unique": 34537,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.050
      },
      {
        "type": "R(meas)",
        "value": 0.058
      },
      {
        "type": "I/SigI",
        "value": 23.710
      },
      {
        "type": "Completeness",
        "value": 99.900
      },
      {
        "type": "Redundancy",
        "value": 3.9
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.630,2.540],
      "number_observations": 14846,
      "number_observations_unique": 3801,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.584
        },
        {
          "type": "R(meas)",
          "value": 0.677
        },
        {
          "type": "I/SigI",
          "value": 2.620
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [2.730,2.630],
      "number_observations": 12719,
      "number_observations_unique": 3265,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.451
        },
        {
          "type": "R(meas)",
          "value": 0.524
        },
        {
          "type": "I/SigI",
          "value": 3.410
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [2.930,2.730],
      "number_observations": 20516,
      "number_observations_unique": 5252,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.288
        },
        {
          "type": "R(meas)",
          "value": 0.334
        },
        {
          "type": "I/SigI",
          "value": 5.300
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [3.620,2.930],
      "number_observations": 40438,
      "number_observations_unique": 10320,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.091
        },
        {
          "type": "R(meas)",
          "value": 0.106
        },
        {
          "type": "I/SigI",
          "value": 15.530
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [3.950,3.620],
      "number_observations": 11028,
      "number_observations_unique": 2813,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.035
        },
        {
          "type": "R(meas)",
          "value": 0.041
        },
        {
          "type": "I/SigI",
          "value": 35.640
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [4.300,3.950],
      "number_observations": 7780,
      "number_observations_unique": 1993,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.027
        },
        {
          "type": "R(meas)",
          "value": 0.031
        },
        {
          "type": "I/SigI",
          "value": 43.820
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [4.640,4.300],
      "number_observations": 5674,
      "number_observations_unique": 1453,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.021
        },
        {
          "type": "R(meas)",
          "value": 0.024
        },
        {
          "type": "I/SigI",
          "value": 53.170
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [14.000,4.640],
      "number_observations": 21151,
      "number_observations_unique": 5448,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.017
        },
        {
          "type": "R(meas)",
          "value": 0.020
        },
        {
          "type": "I/SigI",
          "value": 60.280
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [17.000,14.000],
      "number_observations": 329,
      "number_observations_unique": 90,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.010
        },
        {
          "type": "R(meas)",
          "value": 0.012
        },
        {
          "type": "I/SigI",
          "value": 94.590
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [50.000,17.000],
      "number_observations": 318,
      "number_observations_unique": 102,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.014
        },
        {
          "type": "R(meas)",
          "value": 0.017
        },
        {
          "type": "I/SigI",
          "value": 76.380
        },
        {
          "type": "Completeness",
          "value": 91.900
        }
      ]
    },
    {
      "resolution_limits": [50,50.000],
      "quality_factors": [

      ]
    }
  ]

}
  

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


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