Data quality metrics extracted from 4pik.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": "0604f6a0bc9efb149a9127b866c2c297",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 50.456,
    "b": 94.708,
    "c": 63.347,
    "alpha": 90.0,
    "beta": 97.5,
    "gamma": 90.0
  },
  "wavelengths": [1.07820],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.000,1.700],
    "number_observations": 244785,
    "number_observations_unique": 64911,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.045
      },
      {
        "type": "I/SigI",
        "value": 15.900
      },
      {
        "type": "Completeness",
        "value": 99.900
      },
      {
        "type": "Redundancy",
        "value": 3.800
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.730,1.700],
      "number_observations_unique": 3239,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.175
        },
        {
          "type": "Completeness",
          "value": 99.300
        },
        {
          "type": "Redundancy",
          "value": 3.600
        }
      ]
    },
    {
      "resolution_limits": [1.760,1.730],
      "number_observations_unique": 3219,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.157
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.700
        }
      ]
    },
    {
      "resolution_limits": [1.790,1.760],
      "number_observations_unique": 3217,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.138
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [1.830,1.790],
      "number_observations_unique": 3235,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.116
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [1.870,1.830],
      "number_observations_unique": 3260,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.104
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [1.910,1.870],
      "number_observations_unique": 3204,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.084
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [1.960,1.910],
      "number_observations_unique": 3270,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.077
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.020,1.960],
      "number_observations_unique": 3206,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.070
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.070,2.020],
      "number_observations_unique": 3236,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.065
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.140,2.070],
      "number_observations_unique": 3227,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.066
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.220,2.140],
      "number_observations_unique": 3251,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.061
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.310,2.220],
      "number_observations_unique": 3239,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.060
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.410,2.310],
      "number_observations_unique": 3266,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.061
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.540,2.410],
      "number_observations_unique": 3244,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.051
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.700,2.540],
      "number_observations_unique": 3242,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.046
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [2.910,2.700],
      "number_observations_unique": 3244,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.045
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [3.200,2.910],
      "number_observations_unique": 3262,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.046
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.700
        }
      ]
    },
    {
      "resolution_limits": [3.660,3.200],
      "number_observations_unique": 3262,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.036
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [4.610,3.660],
      "number_observations_unique": 3269,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.028
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 3.800
        }
      ]
    },
    {
      "resolution_limits": [50.000,4.610],
      "number_observations_unique": 3319,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.027
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 3.700
        }
      ]
    }
  ]

}
  

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


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