Table 1. Crystallographic data and refinement statistics for NodZ complexes.

Values in parentheses are for the last resolution shell.

Data set	NodZ–GDP	NodZ–GDP-Fuc
Data-collection and processing statistics
Beamline	SER-CAT 22-ID	SER-CAT 22-BM
Wavelength (Å)	1.0000	0.9724
Temperature (K)	100	100
Space group	P6522	P6522
Unit-cell parameters (Å)
a	123.9	128.8
c	95.2	91.1
Mosaicity (°)	0.48	0.70
Resolution range (Å)	50.0–1.98 (2.05–1.98)	50.0–2.35 (2.43–2.35)
Total reflections	300152	204336
Unique reflections	30783	19190
Completeness (%)	99.9 (99.9)	99.9 (100)
Multiplicity	9.8 (9.4)	10.6 (10.1)
〈I/σ(I)〉	16.6 (3.7)	20.5 (3.3)
Rmerge†	0.119 (0.706)	0.091 (0.656)
Refinement statistics
Resolution (Å)	50.0–1.98	50.0–2.35
No. of reflections, working set	29348	18018
No. of reflections, test set	1103	1030
R/Rfree‡	0.172/0.217	0.210/0.258
No. of atoms (protein/water)	2333/199	2345/82
No. of ions (phosphate/chloride)	3/0	1/1
R.m.s. deviation from ideal
Bond lengths (Å)	0.019	0.018
Bond angles (°)	1.70	1.50
Average B factor (Å2)	26.7	47.8
Ramachandran statistics (%)
Most favoured regions	93.6	92.6
Allowed regions	6.4	7.4
PDB code	3siw	3six

^† R _merge = , where 〈I(hkl)〉 is the average intensity of reflection hkl.

^‡ R = , where F _obs and F _calc are the observed and calculated structure factors, respectively. R _free is calculated analogously for the test reflections, which were randomly selected and excluded from the refinement.