Table 1. X-ray data statistics.

Values in parentheses are for the outer resolution shell.

	AcnR native	AcnR Au SAD
Source	Diamond Light Source	ESRF
Beamline	I02	ID14-2
Wavelength (Å)	0.9795	0.9334
Data collection
Space group	P212121	P21212
Unit-cell parameters (Å)	a = 34.21, b = 72.79, c = 145.57	a = 34.14, b = 72.88, c = 73.25
Resolution (Å)	1.65 (1.74–1.65)	2.54 (2.58–2.54)
Observed reflections	200330	175864
Unique reflections	44662	6461
Rsym or Rmerge	0.082 (0.436)	0.073 (0.149)
〈I/σ(I)〉	9.4 (2.7)	47.9 (21.9)
Completeness (%)	99.6 (99.2)	100 (100)
Redundancy	4.5 (4.5)	8.8 (8.4)