Table 1

Data collection and refinement statistics.

Data collection
Space groupP43212
Unit cell (Å)a = b = 110.78, c = 265.63
Resolution (Å)50–3.60 (3.73–3.60)*
Number of reflections103,082
Number of unique reflections20,090
Completeness (%)99.7 (98.8)
I17.6 (2.4)
Rsym (%)10.3 (64.7)
Refinement
Rwork/Rfree (%)26.7/33.7
Protein molecules per asymmetric unitPlexin: 2; Rac1: 1
Number of protein atoms9,083
Non–protein atomsMg2+ and GMP-PNP
RMSD bond length (Å)0.003
RMSD bond angle (°)0.490
Ramachandran plot (favored, allowed,
disallowed) (%)
82.9, 17.1, 0

*Numbers in parentheses refer to the highest-resolution shell.

Rsym = ∑|I − 〈I〉|/∑I, where I is the observed intensity of a reflection, and 〈I〉 is the average intensity of all the symmetry-related reflections.