SPACI score report for 1qku in ASTRAL 1.55:

PDB Entry: 1qku
SPACI score: 0.21
AEROSPACI score: 0.21

Experiment type: XRAY
Resolution: 3.2
R-factor: 0.216
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.79
WCK2 WHAT_CHECK Ramachandran: -4.415
WCK3 WHAT_CHECK Chi angles: -1.518
WCK4 WHAT_CHECK Backbone: 0.399

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).