Table 1.

X-Ray Data Collection and Structure Refinement

	YPT32-GDP	YPT32-GppNHp
Wavelength (Å)	0.9794	0.9784
Resolution (Å)	40–1.7 (1.8–1.7)	40.0–2.0 (2.15–2.0)
Space group	C2	P212121
Asymmetric unit	2 molecules	1 molecule
Cell parameters
a (Å)	130.0	47.09
b (Å)	45.2	49.89
c (Å)	73.4	90.66
β (°)	110.5
Rsym (%)	5.2 (40.1)	6.9 (44.6)
I/σI	19.5 (3.89)	23.57 (4.24)
Completeness (%)	99.4 (98.9)	99.6 (100)
Multiplicity	3.89 (3.9)	7.1 (7.2)
Rwork/Rfree (%)	16.7/20.3	19.4/24.0
R.M.S.D
Bonds (Å)	0.011	0.010
Angles (°)	1.33	2.01
Ramachandran plot
Most favoured (%)	92.2	93.4
Disallowed	0	0

Values in parentheses are for highest resolution shell.