Data quality metrics extracted from 3p4n.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": "cf8335af24c696835ce7a046ce644b20",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 66.19,
    "b": 90.60,
    "c": 89.16,
    "alpha": 90.00,
    "beta": 111.11,
    "gamma": 90.00
  },
  "wavelengths": [0.90000],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [100,2.500],
    "number_observations_unique": 32752,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.067
      },
      {
        "type": "I/SigI",
        "value": 10.760
      },
      {
        "type": "Completeness",
        "value": 95.900
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.600,2.500],
      "number_observations": 6656,
      "number_observations_unique": 3647,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.222
        },
        {
          "type": "R(meas)",
          "value": 0.296
        },
        {
          "type": "I/SigI",
          "value": 3.6
        },
        {
          "type": "Completeness",
          "value": 96.900
        }
      ]
    },
    {
      "resolution_limits": [2.700,2.600],
      "number_observations": 5638,
      "number_observations_unique": 3114,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.190
        },
        {
          "type": "R(meas)",
          "value": 0.253
        },
        {
          "type": "I/SigI",
          "value": 4.3
        },
        {
          "type": "Completeness",
          "value": 96.600
        }
      ]
    },
    {
      "resolution_limits": [2.800,2.700],
      "number_observations": 4931,
      "number_observations_unique": 2690,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.174
        },
        {
          "type": "R(meas)",
          "value": 0.232
        },
        {
          "type": "I/SigI",
          "value": 4.7
        },
        {
          "type": "Completeness",
          "value": 96.600
        }
      ]
    },
    {
      "resolution_limits": [2.900,2.800],
      "number_observations": 4227,
      "number_observations_unique": 2343,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.147
        },
        {
          "type": "R(meas)",
          "value": 0.197
        },
        {
          "type": "I/SigI",
          "value": 5.4
        },
        {
          "type": "Completeness",
          "value": 96.500
        }
      ]
    },
    {
      "resolution_limits": [3.000,2.900],
      "number_observations": 3673,
      "number_observations_unique": 2010,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.129
        },
        {
          "type": "R(meas)",
          "value": 0.173
        },
        {
          "type": "I/SigI",
          "value": 6.5
        },
        {
          "type": "Completeness",
          "value": 95.800
        }
      ]
    },
    {
      "resolution_limits": [4.000,3.000],
      "number_observations": 20034,
      "number_observations_unique": 10986,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.066
        },
        {
          "type": "R(meas)",
          "value": 0.088
        },
        {
          "type": "I/SigI",
          "value": 11.4
        },
        {
          "type": "Completeness",
          "value": 96.400
        }
      ]
    },
    {
      "resolution_limits": [6.000,4.000],
      "number_observations": 10527,
      "number_observations_unique": 5679,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.036
        },
        {
          "type": "R(meas)",
          "value": 0.048
        },
        {
          "type": "I/SigI",
          "value": 19.6
        },
        {
          "type": "Completeness",
          "value": 95.800
        }
      ]
    },
    {
      "resolution_limits": [10.000,6.000],
      "number_observations": 3482,
      "number_observations_unique": 1845,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.030
        },
        {
          "type": "R(meas)",
          "value": 0.040
        },
        {
          "type": "I/SigI",
          "value": 20.6
        },
        {
          "type": "Completeness",
          "value": 93.200
        }
      ]
    },
    {
      "resolution_limits": [100,10.000],
      "number_observations": 825,
      "number_observations_unique": 438,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.021
        },
        {
          "type": "R(meas)",
          "value": 0.027
        },
        {
          "type": "I/SigI",
          "value": 28.4
        },
        {
          "type": "Completeness",
          "value": 78.100
        }
      ]
    }
  ]

}
  

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


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