Data quality metrics extracted from 3skm.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": "6c0c5c9f42b88ef2ddaffc95aff0e6cf",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 50.72,
    "b": 81.68,
    "c": 112.07,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.95400],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [100,1.800],
    "number_observations_unique": 43886,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.097
      },
      {
        "type": "I/SigI",
        "value": 16.460
      },
      {
        "type": "Completeness",
        "value": 99.900
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.900,1.800],
      "number_observations": 52946,
      "number_observations_unique": 6457,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.570
        },
        {
          "type": "I/SigI",
          "value": 4.850
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [2.000,1.900],
      "number_observations": 43189,
      "number_observations_unique": 5260,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.350
        },
        {
          "type": "I/SigI",
          "value": 7.380
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [2.100,2.000],
      "number_observations": 35457,
      "number_observations_unique": 4320,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.255
        },
        {
          "type": "I/SigI",
          "value": 9.710
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [2.200,2.100],
      "number_observations": 29356,
      "number_observations_unique": 3575,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.203
        },
        {
          "type": "I/SigI",
          "value": 11.570
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [2.300,2.200],
      "number_observations": 24262,
      "number_observations_unique": 2965,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.162
        },
        {
          "type": "I/SigI",
          "value": 13.640
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [2.400,2.300],
      "number_observations": 20486,
      "number_observations_unique": 2507,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.142
        },
        {
          "type": "I/SigI",
          "value": 15.010
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [2.500,2.400],
      "number_observations": 17329,
      "number_observations_unique": 2120,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.129
        },
        {
          "type": "I/SigI",
          "value": 16.310
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.000,2.500],
      "number_observations": 55954,
      "number_observations_unique": 6926,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.091
        },
        {
          "type": "I/SigI",
          "value": 20.580
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.500,3.000],
      "number_observations": 27903,
      "number_observations_unique": 3533,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.061
        },
        {
          "type": "I/SigI",
          "value": 28.200
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [4.000,3.500],
      "number_observations": 15634,
      "number_observations_unique": 2019,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.051
        },
        {
          "type": "I/SigI",
          "value": 32.970
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [5.000,4.000],
      "number_observations": 15349,
      "number_observations_unique": 2021,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.046
        },
        {
          "type": "I/SigI",
          "value": 35.680
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [6.000,5.000],
      "number_observations": 6979,
      "number_observations_unique": 906,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.045
        },
        {
          "type": "I/SigI",
          "value": 34.320
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [10.000,6.000],
      "number_observations": 7544,
      "number_observations_unique": 1016,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.043
        },
        {
          "type": "I/SigI",
          "value": 34.300
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [100,10.000],
      "number_observations": 1748,
      "number_observations_unique": 261,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.038
        },
        {
          "type": "I/SigI",
          "value": 35.800
        },
        {
          "type": "Completeness",
          "value": 84.700
        }
      ]
    }
  ]

}
  

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


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