Table 1. Summary of data collection statistics for PDT crystallized with 8,9-dihydro-9-oxoimidazo[2,1-b]purine^a.

Parameters	Values
Resolution (Å)	2.1
Space group	P43212
a, b (Å)	79.69
c (Å)	186.69
N/ASU	3
Matthews number	2.53
Solvent content (%)	55
Unique reflections	35578
Redundancy	5.9 (5.3)
Completeness	98.7 (93.6)
Rsym b (%)	4.6 (26.6)
I/σ	23.1 (4.8)

^aValues for the highest resolution shell are given in parentheses.

^b R _sym = ΣΣ_i I_i−<I> |/Σ<I>, where <I> is the mean intensity of the N reflections with intensities I_i and common indices h,k,l.