SPACI score report for 3o46 in ASTRAL 2.04:

PDB Entry: 3o46
SPACI score: 0.74
AEROSPACI score: 0.74

Experiment type: XRAY
Resolution: 1.3
R-factor: 0.184
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.642
WCK2 WHAT_CHECK Ramachandran: 1.26
WCK3 WHAT_CHECK Chi angles: 0.86
WCK4 WHAT_CHECK Backbone: 0.444

Note: Here are links to pages about PROCHECK and WHAT_CHECK.

Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).