Data quality metrics extracted from 4ems.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": "4297d6ab5d641ed29152274c0764d78a",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 76.149,
    "b": 104.562,
    "c": 109.875,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.91841],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [30.000,1.750],
    "number_observations_unique": 87649,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.061
      },
      {
        "type": "I/SigI",
        "value": 14.600
      },
      {
        "type": "Completeness",
        "value": 99.200
      },
      {
        "type": "Redundancy",
        "value": 4.400
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.780,1.750],
      "number_observations_unique": 4364,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.450
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [1.810,1.780],
      "number_observations_unique": 4366,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.403
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [1.850,1.810],
      "number_observations_unique": 4355,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.340
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [1.890,1.850],
      "number_observations_unique": 4340,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.284
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [1.930,1.890],
      "number_observations_unique": 4358,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.258
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    },
    {
      "resolution_limits": [1.970,1.930],
      "number_observations_unique": 4360,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.198
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [2.020,1.970],
      "number_observations_unique": 4375,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.159
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [2.070,2.020],
      "number_observations_unique": 4362,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.133
        },
        {
          "type": "Completeness",
          "value": 99.700
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    },
    {
      "resolution_limits": [2.140,2.070],
      "number_observations_unique": 4375,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.109
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [2.200,2.140],
      "number_observations_unique": 4367,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.089
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [2.280,2.200],
      "number_observations_unique": 4382,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.093
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    },
    {
      "resolution_limits": [2.370,2.280],
      "number_observations_unique": 4404,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.076
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [2.480,2.370],
      "number_observations_unique": 4401,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.077
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [2.610,2.480],
      "number_observations_unique": 4408,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.078
        },
        {
          "type": "Completeness",
          "value": 99.600
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    },
    {
      "resolution_limits": [2.780,2.610],
      "number_observations_unique": 4379,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.081
        },
        {
          "type": "Completeness",
          "value": 99.500
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    },
    {
      "resolution_limits": [2.990,2.780],
      "number_observations_unique": 4385,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.076
        },
        {
          "type": "Completeness",
          "value": 99.300
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [3.290,2.990],
      "number_observations_unique": 4436,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.064
        },
        {
          "type": "Completeness",
          "value": 98.900
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [3.770,3.290],
      "number_observations_unique": 4412,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.042
        },
        {
          "type": "Completeness",
          "value": 98.700
        },
        {
          "type": "Redundancy",
          "value": 4.500
        }
      ]
    },
    {
      "resolution_limits": [4.740,3.770],
      "number_observations_unique": 4429,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.024
        },
        {
          "type": "Completeness",
          "value": 97.700
        },
        {
          "type": "Redundancy",
          "value": 4.400
        }
      ]
    },
    {
      "resolution_limits": [30.000,4.740],
      "number_observations_unique": 4391,
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.020
        },
        {
          "type": "Completeness",
          "value": 93.200
        },
        {
          "type": "Redundancy",
          "value": 4.200
        }
      ]
    }
  ]

}
  

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


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