SPACI score report for 3oxc in ASTRAL 2.08:

PDB Entry: 3oxc
SPACI score: 0.89
AEROSPACI score: 0.89

Experiment type: XRAY
Resolution: 1.16
R-factor: 0.139
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.843
WCK2 WHAT_CHECK Ramachandran: -0.966
WCK3 WHAT_CHECK Chi angles: 1.085
WCK4 WHAT_CHECK Backbone: -0.005

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).