SPACI score report for 1xoz in ASTRAL 2.07:

PDB Entry: 1xoz
SPACI score: 0.75
AEROSPACI score: 0.75

Experiment type: XRAY
Resolution: 1.37
R-factor: 0.154
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.141
WCK2 WHAT_CHECK Ramachandran: 1.611
WCK3 WHAT_CHECK Chi angles: 0.396
WCK4 WHAT_CHECK Backbone: 1.098

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).