SPACI score report for 3vio in ASTRAL 2.06:

PDB Entry: 3vio
SPACI score: 0.91
AEROSPACI score: 0.91

Experiment type: XRAY
Resolution: 1.12
R-factor: 0.13
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.787
WCK2 WHAT_CHECK Ramachandran: -1.219
WCK3 WHAT_CHECK Chi angles: 0.853
WCK4 WHAT_CHECK Backbone: 2.84

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).