SPACI score report for 1zqq in ASTRAL 1.65:

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

Experiment type: XRAY
Resolution: 3.3
R-factor: 0.163
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.537
WCK2 WHAT_CHECK Ramachandran: -4.217
WCK3 WHAT_CHECK Chi angles: -3.837
WCK4 WHAT_CHECK Backbone: -1.293

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).