Data quality metrics extracted from 4ex4.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": "58600618a83fe31efd344a20c6d55e08",
  "space_group_name": "P 1 21 1",
  "unit_cell": {
    "a": 106.61,
    "b": 59.74,
    "c": 118.46,
    "alpha": 90.00,
    "beta": 100.97,
    "gamma": 90.00
  },
  "wavelengths": [1.54180],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.0000,2.100],
    "number_observations_unique": 85731,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.100
      },
      {
        "type": "I/SigI",
        "value": 12.240
      },
      {
        "type": "Completeness",
        "value": 99.700
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [2.150,2.100],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.430
        },
        {
          "type": "I/SigI",
          "value": 3.170
        },
        {
          "type": "Completeness",
          "value": 99.100
        }
      ]
    },
    {
      "resolution_limits": [2.210,2.150],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.384
        },
        {
          "type": "I/SigI",
          "value": 3.830
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.280,2.210],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.349
        },
        {
          "type": "I/SigI",
          "value": 4.210
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.350,2.280],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.305
        },
        {
          "type": "I/SigI",
          "value": 4.730
        },
        {
          "type": "Completeness",
          "value": 99.600
        }
      ]
    },
    {
      "resolution_limits": [2.420,2.350],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.269
        },
        {
          "type": "I/SigI",
          "value": 5.380
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.510,2.420],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.235
        },
        {
          "type": "I/SigI",
          "value": 6.060
        },
        {
          "type": "Completeness",
          "value": 99.800
        }
      ]
    },
    {
      "resolution_limits": [2.600,2.510],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.202
        },
        {
          "type": "I/SigI",
          "value": 6.760
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [2.710,2.600],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.177
        },
        {
          "type": "I/SigI",
          "value": 7.520
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [2.830,2.710],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.156
        },
        {
          "type": "I/SigI",
          "value": 8.360
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [2.970,2.830],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.124
        },
        {
          "type": "I/SigI",
          "value": 10.010
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [3.130,2.970],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.105
        },
        {
          "type": "I/SigI",
          "value": 11.530
        },
        {
          "type": "Completeness",
          "value": 100.000
        }
      ]
    },
    {
      "resolution_limits": [3.320,3.130],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.079
        },
        {
          "type": "I/SigI",
          "value": 15.160
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [3.550,3.320],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.061
        },
        {
          "type": "I/SigI",
          "value": 19.670
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [3.830,3.550],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.049
        },
        {
          "type": "I/SigI",
          "value": 25.180
        },
        {
          "type": "Completeness",
          "value": 99.800
        }
      ]
    },
    {
      "resolution_limits": [4.200,3.830],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.044
        },
        {
          "type": "I/SigI",
          "value": 27.780
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [4.700,4.200],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.037
        },
        {
          "type": "I/SigI",
          "value": 32.360
        },
        {
          "type": "Completeness",
          "value": 99.600
        }
      ]
    },
    {
      "resolution_limits": [5.420,4.700],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.038
        },
        {
          "type": "I/SigI",
          "value": 29.790
        },
        {
          "type": "Completeness",
          "value": 99.700
        }
      ]
    },
    {
      "resolution_limits": [6.640,5.420],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.050
        },
        {
          "type": "I/SigI",
          "value": 23.650
        },
        {
          "type": "Completeness",
          "value": 99.900
        }
      ]
    },
    {
      "resolution_limits": [9.390,6.640],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.033
        },
        {
          "type": "I/SigI",
          "value": 34.010
        },
        {
          "type": "Completeness",
          "value": 99.300
        }
      ]
    },
    {
      "resolution_limits": [50.0000,9.390],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.022
        },
        {
          "type": "I/SigI",
          "value": 51.580
        },
        {
          "type": "Completeness",
          "value": 95.200
        }
      ]
    }
  ]

}

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

  Overall InnerShell OuterShell
Low resolution limit [Å] 50.000 50.000 2.210
High resolution limit [Å] 2.100 9.390 2.150
R(merge) 0.1000 0.0220 0.3840
Completeness [%] 99.7 95.2 99.7

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

Resolution [Å] R(merge) Completeness [%]
50.000-9.390 0.0220 95.2
9.390-6.640 0.0330 99.3
6.640-5.420 0.0500 99.9
5.420-4.700 0.0380 99.7
4.700-4.200 0.0370 99.6
4.200-3.830 0.0440 99.9
3.830-3.550 0.0490 99.8
3.550-3.320 0.0610 99.9
3.320-3.130 0.0790 99.9
3.130-2.970 0.1050 100.0
2.970-2.830 0.1240 99.9
2.830-2.710 0.1560 99.9
2.710-2.600 0.1770 99.9
2.600-2.510 0.2020 99.7
2.510-2.420 0.2350 99.8
2.420-2.350 0.2690 99.7
2.350-2.280 0.3050 99.6
2.280-2.210 0.3490 99.7
2.210-2.150 0.3840 99.7
2.150-2.100 0.4300 99.1