Table 2. Correlation of different crystallographic parameters with the minimal accuracy of a de novo model required to phase the 30 diffraction data sets in Table 1 ▶ .

Crystallographic parameter	r2	P value†
No. of modeled residues	−0.592	5.7 × 10−4
Highest resolution reflection	0.232	0.22
Lowest resolution reflection	−0.229	0.22
No. of copies in asymmetric unit	0.200	0.29
No. of reflections	−0.146	0.44
Matthews coefficient (VM)	−0.095	0.62
No. of reflections > 4 Å	−0.091	0.64
No. of reflections > 6 Å	−0.079	0.68
No. of residues in asymmetric unit	−0.038	0.84
Solvent content	−0.022	0.91

^†Correlations are to F _1 Å, the fraction of C^α atoms within 1 Å of the crystal structure, of the least accurate model that gives an unambiguous Phaser hit (see Table 1 ▶).