Table 1 TaHeR data collection and processing.

From: Low pH structure of heliorhodopsin reveals chloride binding site and intramolecular signaling pathway

Sample name (PDB: ID)

TaHeR (PDB: 7u55)

Data collection

Number of crystals

1

Diffraction source

APS beamline 23-ID-B

Wavelength (Å)

1.0331

Temperature (K)

100

Detector

Dectris Eiger 16 M

Crystal-detector distance (mm)

300

Rotation range per image (°)

0.2

Total rotation range (°)

90

Exposure time per image (s)

0.2

Space group

P21212

a, b, c (Å)

89.85, 47.97, 56.69

α, β, γ (°)

90, 90, 90

Resolution range (Å)

47.94–1.97 (2.02–1.97)

Total no. of reflections

55,049 (2440)

No. of unique reflections

16,754 (1100)

Completeness (%)

94.4 (89.2)

Redundancy

3.3 (2.2)

I/σ(I)〉

4.3 (1.3)

CC 1/2

0.98 (0.72)

Rmerge

0.13 (0.52)

Overall B factor from Wilson plot (Å2)

22.85

Refinement statistics

Resolution range (Å)

47.94–1.97 (2.04–1.97)

Completeness (%)

93.3 (90.1)

No. of reflections, working set

16,733 (1583)

No. of reflections, test set

1671 (158)

Rwork/Rfree

0.198/0.223

No. of non-H atoms

2096

 Protein

2025

 Ligand

34

 Water

37

R.M.S. deviations

 

 Bonds (Å)

0.008

 Angles (°)

1.05

Average B factors (Å2)

28.26

 Macromolecules

28.23

 Ligand

24.42

 Water

33.85

Ramachandran plot

 Most favored (%)

98.77

 Allowed (%)

1.23

 Outlier (%)

0.00

  1. CC1/2 > 0.3 and 〈I/σ(I)〉 > 1.0 was used to determine cut-off. Values for the outer shell are given in parentheses.