Data quality metrics extracted from 2i51.cif.gz by aB_cif2table1 from BUSTER (Global Phasing Ltd.). See also the PDBx/mmCIF dictionary.

Raw JSON data
{
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  "version": "0.2.2",
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  "space_group_name": "P 21 21 21",
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    "b": 65.928,
    "c": 112.380,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.97849,0.97926,0.91162],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
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      },
      {
        "type": "I/SigI",
        "value": 3.500
      },
      {
        "type": "Completeness",
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      },
      {
        "type": "Redundancy",
        "value": 5.200
      }
    ]
  },
  "refln_shells": [
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          "type": "I/SigI",
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        },
        {
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          "type": "Completeness",
          "value": 100.00
        },
        {
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        }
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        {
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          "value": 4.70
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      ]
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          "type": "Completeness",
          "value": 100.00
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      "number_observations_unique": 6119,
      "quality_factors": [
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          "value": 0.01
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        {
          "type": "I/SigI",
          "value": 1.5
        },
        {
          "type": "Completeness",
          "value": 100.00
        },
        {
          "type": "Redundancy",
          "value": 4.70
        }
      ]
    },
    {
      "resolution_limits": [1.74,1.67],
      "number_observations": 27948,
      "number_observations_unique": 5939,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 2.3
        },
        {
          "type": "Completeness",
          "value": 99.90
        },
        {
          "type": "Redundancy",
          "value": 4.70
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      ]
    },
    {
      "resolution_limits": [1.81,1.74],
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      "number_observations_unique": 5653,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 2.9
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        {
          "type": "Completeness",
          "value": 100.00
        },
        {
          "type": "Redundancy",
          "value": 4.70
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      ]
    },
    {
      "resolution_limits": [1.89,1.81],
      "number_observations": 25893,
      "number_observations_unique": 5508,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 3.9
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        {
          "type": "Completeness",
          "value": 100.00
        },
        {
          "type": "Redundancy",
          "value": 4.70
        }
      ]
    },
    {
      "resolution_limits": [1.98,1.89],
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      "number_observations_unique": 5199,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 4.7
        },
        {
          "type": "Completeness",
          "value": 99.80
        },
        {
          "type": "Redundancy",
          "value": 4.70
        }
      ]
    },
    {
      "resolution_limits": [2.09,1.98],
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      "number_observations_unique": 4944,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 6.2
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        {
          "type": "Completeness",
          "value": 99.80
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        {
          "type": "Redundancy",
          "value": 4.70
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      ]
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    {
      "resolution_limits": [2.21,2.09],
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      "number_observations_unique": 4749,
      "quality_factors": [
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          "value": 0.01
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        {
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          "value": 3.6
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        {
          "type": "Redundancy",
          "value": 6.40
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      ]
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    {
      "resolution_limits": [2.37,2.21],
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      "number_observations_unique": 4480,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 4.4
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        {
          "type": "Completeness",
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        },
        {
          "type": "Redundancy",
          "value": 6.40
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      ]
    },
    {
      "resolution_limits": [2.56,2.37],
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      "number_observations_unique": 4135,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 4.5
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        {
          "type": "Completeness",
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        },
        {
          "type": "Redundancy",
          "value": 6.40
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      ]
    },
    {
      "resolution_limits": [2.80,2.56],
      "number_observations": 24064,
      "number_observations_unique": 3823,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.01
        },
        {
          "type": "I/SigI",
          "value": 5.1
        },
        {
          "type": "Completeness",
          "value": 100.00
        },
        {
          "type": "Redundancy",
          "value": 6.30
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      ]
    },
    {
      "resolution_limits": [3.13,2.80],
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      "number_observations_unique": 3503,
      "quality_factors": [
        {
          "type": "R(merge)",
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        {
          "type": "I/SigI",
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        {
          "type": "Completeness",
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        {
          "type": "Redundancy",
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      ]
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    {
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      "number_observations_unique": 3052,
      "quality_factors": [
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        {
          "type": "I/SigI",
          "value": 6.2
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          "type": "Completeness",
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      "number_observations_unique": 2636,
      "quality_factors": [
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      ]
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    {
      "resolution_limits": [6.26,4.43],
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      "number_observations_unique": 2049,
      "quality_factors": [
        {
          "type": "R(merge)",
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        },
        {
          "type": "I/SigI",
          "value": 8.2
        },
        {
          "type": "Completeness",
          "value": 99.20
        },
        {
          "type": "Redundancy",
          "value": 6.10
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      ]
    },
    {
      "resolution_limits": [29.44,6.26],
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      "number_observations_unique": 1142,
      "quality_factors": [
        {
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        },
        {
          "type": "I/SigI",
          "value": 9.3
        },
        {
          "type": "Completeness",
          "value": 94.10
        },
        {
          "type": "Redundancy",
          "value": 5.70
        }
      ]
    }
  ]

}
  

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


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