Table 1.

The X-ray data collection and refinement statistics

	AIRAPL tUIM / Lys48Ub3
Data collection
Beamline	PF-BL17A
Space group	P31
Cell dimensions
a, b, c (Å)	90.9, 90.9, 61.0
α, β, γ (°)	90.0, 90.0, 120. 0
Wavelength (Å)	1.00
Resolution (Å)	50.0-3.0 (3.2-3.0)
CC (½)	0.97 (0.38)
Rmerge	0.16 (0.76)
I/σI	6.8 (2.5)
Completeness (%)	99.4 (99.7)
Redundancy	2.9 (2.9)
Refinement
Resolution (Å)	50.0-3.0
No. reflections	11211
Rwork/Rfreeb	20.1-25.5
No. atoms
Protein	4421
Water	15
B-factors
Protein (average)	48.3
AIRAPL tUIM	49.1
Ubiquitins	46.9
Water	39.2
R.m.s. deviation
Bond lengths (Å)	0.012
Bond angles (°)	1.171