Data quality metrics extracted from 4u4s.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": "80fb068091331763d9c8ddc1188621cb",
  "space_group_name": "P 21 21 2",
  "unit_cell": {
    "a": 97.83,
    "b": 121.37,
    "c": 47.33,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [1.00000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [34.87,1.900],
    "number_observations": 210081,
    "number_observations_unique": 45062,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.089
      },
      {
        "type": "R(meas)",
        "value": 0.100
      },
      {
        "type": "R(pim)",
        "value": 0.045
      },
      {
        "type": "I/SigI",
        "value": 11.100
      },
      {
        "type": "Completeness",
        "value": 99.700
      },
      {
        "type": "Redundancy",
        "value": 4.700
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.000,1.900],
      "number_observations": 30204,
      "number_observations_unique": 6491,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.308
        },
        {
          "type": "R(pim)",
          "value": 0.151
        },
        {
          "type": "I/SigI",
          "value": 2.300
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [2.120,2.000],
      "number_observations": 28831,
      "number_observations_unique": 6159,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.197
        },
        {
          "type": "R(pim)",
          "value": 0.096
        },
        {
          "type": "I/SigI",
          "value": 3.600
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [2.270,2.120],
      "number_observations": 27294,
      "number_observations_unique": 5842,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.146
        },
        {
          "type": "R(pim)",
          "value": 0.072
        },
        {
          "type": "I/SigI",
          "value": 4.800
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [2.450,2.270],
      "number_observations": 25313,
      "number_observations_unique": 5404,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.123
        },
        {
          "type": "R(pim)",
          "value": 0.061
        },
        {
          "type": "I/SigI",
          "value": 5.500
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [2.690,2.450],
      "number_observations": 23414,
      "number_observations_unique": 5013,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.096
        },
        {
          "type": "R(pim)",
          "value": 0.048
        },
        {
          "type": "I/SigI",
          "value": 6.900
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [3.000,2.690],
      "number_observations": 21350,
      "number_observations_unique": 4570,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.076
        },
        {
          "type": "R(pim)",
          "value": 0.038
        },
        {
          "type": "I/SigI",
          "value": 8.300
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [3.470,3.000],
      "number_observations": 18844,
      "number_observations_unique": 4050,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.069
        },
        {
          "type": "R(pim)",
          "value": 0.036
        },
        {
          "type": "I/SigI",
          "value": 8.400
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [4.250,3.470],
      "number_observations": 15987,
      "number_observations_unique": 3428,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.069
        },
        {
          "type": "R(pim)",
          "value": 0.036
        },
        {
          "type": "I/SigI",
          "value": 7.700
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [6.010,4.250],
      "number_observations": 12336,
      "number_observations_unique": 2638,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.059
        },
        {
          "type": "R(pim)",
          "value": 0.030
        },
        {
          "type": "I/SigI",
          "value": 9.200
        },
        {
          "type": "Completeness",
          "value": 98.200
        },
        {
          "type": "Redundancy",
          "value": 4.700
        }
      ]
    },
    {
      "resolution_limits": [34.014,6.010],
      "number_observations": 6508,
      "number_observations_unique": 1467,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.041
        },
        {
          "type": "R(pim)",
          "value": 0.022
        },
        {
          "type": "I/SigI",
          "value": 13.300
        },
        {
          "type": "Completeness",
          "value": 94.700
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    }
  ]

}
  

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


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