Data quality metrics extracted from 5grq.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": "2ecb6f583a8ef6baa0ef3c9b93d5a807",
  "space_group_name": "P 21 21 21",
  "unit_cell": {
    "a": 53.428,
    "b": 56.217,
    "c": 102.917,
    "alpha": 90.0,
    "beta": 90.0,
    "gamma": 90.0
  },
  "wavelengths": [0.97776],
  "anisotropic_diffraction": false,
  "overall_refln_statistics": {
    "resolution_limits": [50.000,1.580],
    "number_observations_unique": 80904,
    "quality_factors": [
      {
        "type": "R(merge)",
        "value": 0.076
      },
      {
        "type": "I/SigI",
        "value": 6.000
      },
      {
        "type": "Completeness",
        "value": 99.500
      },
      {
        "type": "Redundancy",
        "value": 12.800
      }
    ]
  },
  "refln_shells": [
    {
      "resolution_limits": [1.610,1.580],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.515
        },
        {
          "type": "Completeness",
          "value": 90.500
        },
        {
          "type": "Redundancy",
          "value": 10.400
        },
        {
          "type": "CC(1/2)",
          "value": 0.926
        }
      ]
    },
    {
      "resolution_limits": [1.640,1.610],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.489
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 12.800
        },
        {
          "type": "CC(1/2)",
          "value": 0.959
        }
      ]
    },
    {
      "resolution_limits": [1.670,1.640],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.434
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 13.200
        },
        {
          "type": "CC(1/2)",
          "value": 0.973
        }
      ]
    },
    {
      "resolution_limits": [1.700,1.670],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.382
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.100
        },
        {
          "type": "CC(1/2)",
          "value": 0.973
        }
      ]
    },
    {
      "resolution_limits": [1.740,1.700],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.362
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 13.200
        },
        {
          "type": "CC(1/2)",
          "value": 0.976
        }
      ]
    },
    {
      "resolution_limits": [1.780,1.740],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.300
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 12.700
        },
        {
          "type": "CC(1/2)",
          "value": 0.978
        }
      ]
    },
    {
      "resolution_limits": [1.820,1.780],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.259
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 11.900
        },
        {
          "type": "CC(1/2)",
          "value": 0.980
        }
      ]
    },
    {
      "resolution_limits": [1.870,1.820],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.228
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.200
        },
        {
          "type": "CC(1/2)",
          "value": 0.987
        }
      ]
    },
    {
      "resolution_limits": [1.930,1.870],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.276
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.300
        },
        {
          "type": "CC(1/2)",
          "value": 0.966
        }
      ]
    },
    {
      "resolution_limits": [1.990,1.930],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.167
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.400
        },
        {
          "type": "CC(1/2)",
          "value": 0.992
        }
      ]
    },
    {
      "resolution_limits": [2.060,1.990],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.138
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.100
        },
        {
          "type": "CC(1/2)",
          "value": 0.993
        }
      ]
    },
    {
      "resolution_limits": [2.140,2.060],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.138
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 12.500
        },
        {
          "type": "CC(1/2)",
          "value": 0.988
        }
      ]
    },
    {
      "resolution_limits": [2.240,2.140],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.093
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 12.300
        },
        {
          "type": "CC(1/2)",
          "value": 0.995
        }
      ]
    },
    {
      "resolution_limits": [2.360,2.240],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.106
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.400
        },
        {
          "type": "CC(1/2)",
          "value": 0.989
        }
      ]
    },
    {
      "resolution_limits": [2.510,2.360],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.068
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.400
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    },
    {
      "resolution_limits": [2.700,2.510],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.064
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.100
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    },
    {
      "resolution_limits": [2.970,2.700],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.051
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 12.500
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    },
    {
      "resolution_limits": [3.400,2.970],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.045
        },
        {
          "type": "Completeness",
          "value": 100.000
        },
        {
          "type": "Redundancy",
          "value": 13.500
        },
        {
          "type": "CC(1/2)",
          "value": 0.999
        }
      ]
    },
    {
      "resolution_limits": [4.290,3.400],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.043
        },
        {
          "type": "Completeness",
          "value": 99.900
        },
        {
          "type": "Redundancy",
          "value": 12.300
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    },
    {
      "resolution_limits": [50.000,4.290],
      "quality_factors": [
        {
          "type": "R(merge)",
          "value": 0.040
        },
        {
          "type": "Completeness",
          "value": 99.800
        },
        {
          "type": "Redundancy",
          "value": 12.400
        },
        {
          "type": "CC(1/2)",
          "value": 0.998
        }
      ]
    }
  ]

}

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

  Overall InnerShell OuterShell
Low resolution limit [Å] 50.000 50.000 1.640
High resolution limit [Å] 1.580 4.290 1.610
R(merge) 0.0760 0.0400 0.4890
CC(1/2) - 0.998 0.959
Completeness [%] 99.5 99.8 100.0
Multiplicity 12.8 12.4 12.8

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

Resolution [Å] R(merge) CC(1/2) Completeness [%] Multiplicity
50.000-4.290 0.0400 0.998 99.8 12.4
4.290-3.400 0.0430 0.998 99.9 12.3
3.400-2.970 0.0450 0.999 100.0 13.5
2.970-2.700 0.0510 0.998 100.0 12.5
2.700-2.510 0.0640 0.998 100.0 13.1
2.510-2.360 0.0680 0.998 100.0 13.4
2.360-2.240 0.1060 0.989 100.0 13.4
2.240-2.140 0.0930 0.995 100.0 12.3
2.140-2.060 0.1380 0.988 99.9 12.5
2.060-1.990 0.1380 0.993 100.0 13.1
1.990-1.930 0.1670 0.992 100.0 13.4
1.930-1.870 0.2760 0.966 100.0 13.3
1.870-1.820 0.2280 0.987 100.0 13.2
1.820-1.780 0.2590 0.980 99.9 11.9
1.780-1.740 0.3000 0.978 100.0 12.7
1.740-1.700 0.3620 0.976 99.9 13.2
1.700-1.670 0.3820 0.973 100.0 13.1
1.670-1.640 0.4340 0.973 99.9 13.2
1.640-1.610 0.4890 0.959 100.0 12.8
1.610-1.580 0.5150 0.926 90.5 10.4