SPACI score report for 1q8z in ASTRAL 1.73:

PDB Entry: 1q8z
SPACI score: 0.34
AEROSPACI score: 0.34

Experiment type: XRAY
Resolution: 2.35
R-factor: 0.221
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.438
WCK2 WHAT_CHECK Ramachandran: -2.128
WCK3 WHAT_CHECK Chi angles: -0.479
WCK4 WHAT_CHECK Backbone: -4.177

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).