Table 1.

Electron crystallographic data

Crystal form	EmrE-ethidium		EmrE-propidium		EmrE-dequalinium
Plane group symmetry	p2		p2		p2
Unit cell dimensions
a (Å)	74.57 ± 0.57		69.33 ± 0.51		70.05 ± 0.45
b (Å)	89.93 ± 1.48		83.38 ± 0.46		83.92 ± 1.26
γ (deg.)	106.69 ± 1.16		106.05 ± 0.54		105.75 ± 0.45
No. images	12		7		5
Range of defocus (Å)	4113_10488		6202_16069		5614_15612
No. unique reflections	191		126		102
Total observations	1694		805		615
Overall phase residual	27.70		40.99		27.79
Temperature factor Bxy (Å)	347		288		344
Resolution range (Å)	No. of unique reflections	Phase residuals	No. of unique reflections	Phase residuals	No. of unique reflections	Phase residuals
∞–15.81	40	12.99	32	25.30	31	11.06
15.81–11.18	39	21.36	25	37.72	26	22.36
11.18–9.13	38	22.15	29	24.77	26	24.10
9.13–7.90	38	30.66	16	63.29	11	68.20
7.90–7.07	34	56.40	22	73.17	7	72.83
7.07–6.45	33	74.63	11	64.41	4	52.72
6.45–5.98	26	89.67	16	71.99	7	96.03