Data quality metrics extracted from 4ecg.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": "a90fd11ed8987e51de89a90d66a66f25",
  "space_group_name": "I 41",
  "unit_cell": {
    "a": 113.892,
    "b": 113.892,
    "c": 75.219,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.91837,0.97949],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [29.124,2.30],
    "number_observations_unique": 21402,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.044
      },
      {
        "type": "I/SigI",
        "value": 11.970
      },
      {
        "type": "Completeness",
        "value": 98.100
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.380,2.300],
      "number_observations": 8379,
      "number_observations_unique": 3936,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.486
        },
        {
          "type": "I/SigI",
          "value": 1.8
        },
        {
          "type": "Completeness",
          "value": 96.400
        }
      ]
    },
    {
      "resolution_limits": [2.480,2.380],
      "number_observations": 9596,
      "number_observations_unique": 4452,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.344
        },
        {
          "type": "I/SigI",
          "value": 2.5
        },
        {
          "type": "Completeness",
          "value": 99.300
        }
      ]
    },
    {
      "resolution_limits": [2.590,2.480],
      "number_observations": 8742,
      "number_observations_unique": 4038,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.271
        },
        {
          "type": "I/SigI",
          "value": 3.3
        },
        {
          "type": "Completeness",
          "value": 99.300
        }
      ]
    },
    {
      "resolution_limits": [2.730,2.590],
      "number_observations": 9134,
      "number_observations_unique": 4223,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.185
        },
        {
          "type": "I/SigI",
          "value": 4.7
        },
        {
          "type": "Completeness",
          "value": 99.000
        }
      ]
    },
    {
      "resolution_limits": [2.900,2.730],
      "number_observations": 8996,
      "number_observations_unique": 4148,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.132
        },
        {
          "type": "I/SigI",
          "value": 6.4
        },
        {
          "type": "Completeness",
          "value": 99.200
        }
      ]
    },
    {
      "resolution_limits": [3.120,2.900],
      "number_observations": 8916,
      "number_observations_unique": 4105,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.084
        },
        {
          "type": "I/SigI",
          "value": 9.8
        },
        {
          "type": "Completeness",
          "value": 99.100
        }
      ]
    },
    {
      "resolution_limits": [3.430,3.120],
      "number_observations": 8930,
      "number_observations_unique": 4124,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.053
        },
        {
          "type": "I/SigI",
          "value": 14.5
        },
        {
          "type": "Completeness",
          "value": 98.100
        }
      ]
    },
    {
      "resolution_limits": [3.930,3.430],
      "number_observations": 8951,
      "number_observations_unique": 4123,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.034
        },
        {
          "type": "I/SigI",
          "value": 21.2
        },
        {
          "type": "Completeness",
          "value": 97.100
        }
      ]
    },
    {
      "resolution_limits": [4.930,3.930],
      "number_observations": 8690,
      "number_observations_unique": 4025,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.027
        },
        {
          "type": "I/SigI",
          "value": 26.8
        },
        {
          "type": "Completeness",
          "value": 96.800
        }
      ]
    },
    {
      "resolution_limits": [29.124,4.930],
      "number_observations": 8876,
      "number_observations_unique": 4104,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.022
        },
        {
          "type": "I/SigI",
          "value": 29.3
        },
        {
          "type": "Completeness",
          "value": 96.100
        }
      ]
    }
  ]

}
  

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


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