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. 2024 Feb 27;80(Pt 3):148–158. doi: 10.1107/S2059798324001487

Table 1. Data-quality metrics for deposited unmerged reflection data for PDB entry 8aj2 before and after exclusion of poor image ranges using fitness analysis.

  Overall (46.16–2.20 Å) Outer shell (2.27–2.20 Å)
    All data Selected   All data Selected
  Deposited§ As-is Rescaled†† As-is Rescaled†† Deposited§ As-is Rescaled†† As-is Rescaled††
R merge ‡‡ 0.071 0.071 0.073 0.058 0.059 1.143 1.139 1.152 0.865 0.871
R meas §§ 0.076 0.075 0.077 0.062 0.063 1.196 1.193 1.206 0.925 0.932
R p.i.m. ¶¶ 0.022 0.022 0.023 0.022 0.023 0.352 0.351 0.355 0.327 0.330
Total No. of unique reflections 28787 28761 28749 2454 2559 2553
I/σ(I)〉††† 18.7 18.8 17.1 16.7 17.0 2.1 2.1 2.1
Completeness (%) 99.9 100.0 99.9 99.4 99.6 99.3
Multiplicity 11.3 11.3 7.9 11.4 11.4 7.9
CC1/2 0.990 0.999 0.999 0.751 0.778 0.785 0.790 0.792

Using deposited unmerged reflection data for all 2000 images.

Using deposited unmerged reflection data for the first 1393 images only.

§

Data-quality metrics given in the archived PDBx/mmCIF entry for PDB entry 8aj2.

Using deposited unmerged data without any further scaling or error model adjustment.

††

Using deposited unmerged data for scaling and error model adjustment in AIMLESS.

‡‡

R merge = Inline graphic Inline graphic (Evans, 2006; Einspahr & Weiss, 2012).

§§

R meas = Inline graphic Inline graphic Inline graphic (Diederichs & Karplus, 1997; Weiss & Hilgenfeld, 1997).

¶¶

R p.i.m. = Inline graphic Inline graphic (Weiss, 2001).

†††

Average (within given resolution limits) of inverse-variance-weighted mean intensities over their corresponding error.

‡‡‡

Correlation coefficient between two randomly chosen ‘half’ sets (Karplus & Diederichs, 2012; Evans, 2011).