Table 1. Data-collection statistics for Fab complexes.

Values in parentheses are for the highest resolution shell.

PDZ tandem	181-PA14-184	235-PA14-236
Space group	P212121	P21
a, b, c (Å)	52.36, 75.20, 172.53	81.36, 80.18, 168.54
α, β, γ (°)	90, 90, 90	90, 95.7, 90
No. of complexes in asymmetric unit	1	2
X-ray source	BL-5A, PF	BL-17A, PF
Wavelength (Å)	1.0000	0.9800
Resolution limits (Å)	45.68–2.50 (2.60–2.50)	38.99–3.20 (3.36–3.20)
No. of unique reflections	24452 (2685)	35827 (4745)
Completeness (%)	99.9 (99.6)	99.5 (99.7)
Multiplicity	6.6 (6.8)	3.4 (3.5)
〈I/σ(I)〉	13.1 (1.5)	8.0 (1.2)
R merge	0.093 (1.469)	0.115 (0.965)
R meas	0.102 (1.589)	0.137 (1.141)
CC1/2	0.998 (0.674)	0.994 (0.774)