SPACI score report for 3i9v in ASTRAL 2.06:

PDB Entry: 3i9v
SPACI score: 0.19
AEROSPACI score: 0.19

Experiment type: XRAY
Resolution: 3.1
R-factor: 0.236
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.535
WCK2 WHAT_CHECK Ramachandran: -4.132
WCK3 WHAT_CHECK Chi angles: -4.721
WCK4 WHAT_CHECK Backbone: 1.644

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).