Table 2 SFX data and refinement statistics

From: Megahertz serial crystallography

Parameter

Lysozyme

CTX-M-14

Photon energy (mean value)

9300 eV

9150 eV

X-ray focus

15 µm (FWHM)

15 µm (FWHM)

Pulse energy at sample (assuming 50% beamline transmission)

290 µJ

526 µJ

Pulse length

50 fs

50 fs

Space group

P 43 21 2

P 32 2 1

Unit cell

a, b, c

79.6, 79.6, 38.3 Å

41.8, 41.8, 233.3 Å

α, β, γ

90, 90, 90°

90, 90, 120°

No. of hits/indexed lattices

25,193/25,531

14,445/12,474

No. of unique reflections

12,387 (1171)

27,838 (2715)

Resolution range

21.99–1.76 (1.82–1.76) Å

34.6–1.69 (1.75–1.69) Å

Completeness

99.64% (97.25%)

99.89% (99.45%)

R split

0.106 (0.446)

0.197 (0.476)

I/σ(I)

7.36 (2.62)

4.37 (2.30)

CC1/2

0.98 (0.79)

0.93 (0.63)

CC*

0.99 (0.94)

0.98 (0.88)

Wilson B-factor

26.18 Å2

26.80 Å2

R Work

0.157 (0.211)

0.176 (0.27)

R Free

0.173 (0.218)

0.21 ((0.30)

Rmsd bonds/Rmsd angles

0.010 Å/0.994°

0.008 Å/1.22°

Ramachandran favored

99.21%

98.1%

Ramachandran allowed

0.79%

1.5%

Ramachandran outliers

0.00%

0.4%

Average B-factor

30.0 Å2

27.6 Å2

Macromolecules

28.9 Å2

27.1 Å2

Ligands

45.8 Å2

22.2 Å2

Solvent

40.3 Å2

37.0 Å2

PDB code

6FTR

6GTH

CXIDB data deposition

CXIDB ID-80

CXIDB ID-83

  1. Statistics for the highest-resolution shell are shown in parentheses