Table 1. Data-collection and refinement statistics for RGAE D192N.

Values in parentheses are for the outer resolution shell.

Total No. of reflections	497682
Unique reflections	55818
Resolution range (Å)	19.73–1.33 (1.35–1.33)
Completeness (%)	99.5 (98.3)
I/σ(I) > 2 (%)	91.3 (72.8)
Rmerge (%)	3.2 (19.8)
Average redundancy	8.9 (2.3)
R, all data† (%)	11.57
R, Fo > 4σ(Fo)† (%)	10.98
Rfree, all data‡ (%)	15.34
Rfree, Fo > 4σ(Fo)‡ (%)	14.56
No. of non-H atoms in model§
Protein	1768
GlcNAc + acetate	32
Water molecules	355
〈B〉§ (Å2)
Protein main chain	13.3
Protein side chain	15.6
GlcNAc + acetate	35.6
Water molecules	37.3
Ramachandran statistics¶
Core (%)	99.0
Outliers (%)	1.0

^†Using all reflections (work and free set).

^‡Based on 5% randomly chosen reflections.

^§Including disordered atoms.

^¶Kleywegt & Jones (1996 ▶). The STructure ANalysis (STAN) server (http://xray.bmc.uu.se/cgi-bin/gerard/rama_server.pl) was used.