TABLE 1.

Data collection and refinement statistics

	SAMHD1C(109–626)
Data collection
Space group	P212121
Unit cell (Å)	a = 80.9, b = 142.8, c = 199.5
Wavelength (Å)	0.9793
Resolution range (Å)	50–2.6 (2.69–2.60)
No. of unique reflections	68,937
Redundancy	6.2 (5.3)a
Rsym (%)b	8.1 (49.8)a
I/σ	20.0 (2.4)a
Completeness (%)	95.1 (92.9)a
Refinement
Resolution range (Å)	30–2.6
Rcrystal (%)c	18.9
Rfree (%)d	24.4
RMSDbond (Å)	0.009
RMSDangle(°)	1.159
No. of atoms
Protein atoms	14,281
Ligand atoms	100
Solvent atoms	56
Ramachandran plot (%)
Favored	96.4
Allowed	3.6
Disallowed	0
Average B factor (Å2)
Protein	51.7
Ligand/ion	43.9
Solvent atoms	35.6

^a The highest resolution shell is in parentheses.

^b Σ^j|〈I〉 − I^j/Σ〈I〉.

^c R_crystal = Σ^hkl|F_obs − F_calc|/Σ^hklF_obs.

^d R_free, calculated the same as R_crystal, but from a test set containing 5% of the data excluded from the refinement calculation.