Table 1. Data-collection statistics for OprM crystals.

Values in parentheses are for the highest resolution shell.

Wavelength (Å)	1.0052
Crystal-to-detector distance (mm)	400
Exposure time per degree (s)	10
Space group	C2
Unit-cell parameters (Å, °)	a = 152.6, b = 87.9, c = 355.9, β = 98.9
Resolution (Å)	88–3.8 (4.01–3.80)
No. of measured observations	131301 (17427)
No. of unique reflections	40566 (5260)
Data completeness (%)	87.7 (77.9)
Data redundancy	3.2 (3.3)
Rmerge† (%)	12.2 (31.2)
I/σ(I)	8.5 (3.3)

^† R _merge = , where I(h) is the observed intensity and 〈I(h)〉 is the mean intensity of reflection h over all measurements of I(h).