Data quality metrics extracted from 4kna.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": "e3dce42405055b9790b30903ac4082e2",
  "space_group_name": "C 1 2 1",
  "unit_cell": {
    "a": 170.05,
    "b": 120.69,
    "c": 53.91,
    "alpha": 90.00,
    "beta": 107.36,
    "gamma": 90.00
  },
  "wavelengths": [1.07811],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50,1.950],
    "number_observations_unique": 75481,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.090
      },
      {
        "type": "I/SigI",
        "value": 13.09
      },
      {
        "type": "Completeness",
        "value": 99.8
      },
      {
        "type": "Redundancy",
        "value": 6.3
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.000,1.950],
      "number_observations": 35413,
      "number_observations_unique": 5590,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.514
        },
        {
          "type": "I/SigI",
          "value": 3.440
        },
        {
          "type": "Completeness",
          "value": 99.8
        },
        {
          "type": "Redundancy",
          "value": 6.3
        }
      ]
    },
    {
      "resolution_limits": [2.060,2.000],
      "number_observations": 34251,
      "number_observations_unique": 5396,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.415
        },
        {
          "type": "I/SigI",
          "value": 4.240
        },
        {
          "type": "Completeness",
          "value": 99.9
        }
      ]
    },
    {
      "resolution_limits": [2.120,2.060],
      "number_observations": 33438,
      "number_observations_unique": 5263,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.331
        },
        {
          "type": "I/SigI",
          "value": 5.300
        },
        {
          "type": "Completeness",
          "value": 100.0
        }
      ]
    },
    {
      "resolution_limits": [2.180,2.120],
      "number_observations": 32887,
      "number_observations_unique": 5164,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.267
        },
        {
          "type": "I/SigI",
          "value": 6.480
        },
        {
          "type": "Completeness",
          "value": 99.7
        }
      ]
    },
    {
      "resolution_limits": [2.250,2.180],
      "number_observations": 31604,
      "number_observations_unique": 4969,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.222
        },
        {
          "type": "I/SigI",
          "value": 7.640
        },
        {
          "type": "Completeness",
          "value": 100.0
        }
      ]
    },
    {
      "resolution_limits": [2.330,2.250],
      "number_observations": 30604,
      "number_observations_unique": 4814,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.194
        },
        {
          "type": "I/SigI",
          "value": 8.710
        },
        {
          "type": "Completeness",
          "value": 99.7
        }
      ]
    },
    {
      "resolution_limits": [2.420,2.330],
      "number_observations": 29586,
      "number_observations_unique": 4632,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.169
        },
        {
          "type": "I/SigI",
          "value": 9.780
        },
        {
          "type": "Completeness",
          "value": 100.0
        }
      ]
    },
    {
      "resolution_limits": [2.520,2.420],
      "number_observations": 28225,
      "number_observations_unique": 4434,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.141
        },
        {
          "type": "I/SigI",
          "value": 11.600
        },
        {
          "type": "Completeness",
          "value": 99.8
        }
      ]
    },
    {
      "resolution_limits": [2.630,2.520],
      "number_observations": 27343,
      "number_observations_unique": 4296,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.127
        },
        {
          "type": "I/SigI",
          "value": 12.910
        },
        {
          "type": "Completeness",
          "value": 99.8
        }
      ]
    },
    {
      "resolution_limits": [2.760,2.630],
      "number_observations": 25947,
      "number_observations_unique": 4101,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.111
        },
        {
          "type": "I/SigI",
          "value": 14.680
        },
        {
          "type": "Completeness",
          "value": 99.9
        }
      ]
    },
    {
      "resolution_limits": [2.910,2.760],
      "number_observations": 24683,
      "number_observations_unique": 3914,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.094
        },
        {
          "type": "I/SigI",
          "value": 17.020
        },
        {
          "type": "Completeness",
          "value": 99.8
        }
      ]
    },
    {
      "resolution_limits": [3.080,2.910],
      "number_observations": 23017,
      "number_observations_unique": 3684,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.085
        },
        {
          "type": "I/SigI",
          "value": 18.810
        },
        {
          "type": "Completeness",
          "value": 99.7
        }
      ]
    },
    {
      "resolution_limits": [3.300,3.080],
      "number_observations": 21463,
      "number_observations_unique": 3467,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.077
        },
        {
          "type": "I/SigI",
          "value": 20.640
        },
        {
          "type": "Completeness",
          "value": 100.0
        }
      ]
    },
    {
      "resolution_limits": [3.560,3.300],
      "number_observations": 19857,
      "number_observations_unique": 3238,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.070
        },
        {
          "type": "I/SigI",
          "value": 22.410
        },
        {
          "type": "Completeness",
          "value": 99.8
        }
      ]
    },
    {
      "resolution_limits": [3.900,3.560],
      "number_observations": 18141,
      "number_observations_unique": 2977,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.065
        },
        {
          "type": "I/SigI",
          "value": 23.890
        },
        {
          "type": "Completeness",
          "value": 100.0
        }
      ]
    },
    {
      "resolution_limits": [4.360,3.900],
      "number_observations": 16440,
      "number_observations_unique": 2703,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.063
        },
        {
          "type": "I/SigI",
          "value": 24.610
        },
        {
          "type": "Completeness",
          "value": 99.5
        }
      ]
    },
    {
      "resolution_limits": [5.030,4.360],
      "number_observations": 14562,
      "number_observations_unique": 2376,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.060
        },
        {
          "type": "I/SigI",
          "value": 25.540
        },
        {
          "type": "Completeness",
          "value": 99.9
        }
      ]
    },
    {
      "resolution_limits": [6.170,5.030],
      "number_observations": 12571,
      "number_observations_unique": 2024,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.061
        },
        {
          "type": "I/SigI",
          "value": 25.300
        },
        {
          "type": "Completeness",
          "value": 99.6
        }
      ]
    },
    {
      "resolution_limits": [8.720,6.170],
      "number_observations": 9813,
      "number_observations_unique": 1575,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.056
        },
        {
          "type": "I/SigI",
          "value": 25.880
        },
        {
          "type": "Completeness",
          "value": 99.7
        }
      ]
    },
    {
      "resolution_limits": [50,8.720],
      "number_observations": 5118,
      "number_observations_unique": 864,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.053
        },
        {
          "type": "I/SigI",
          "value": 25.630
        },
        {
          "type": "Completeness",
          "value": 98.4
        }
      ]
    }
  ]

}
  

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


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