SPACI score report for 1zqt in ASTRAL 2.08:

PDB Entry: 1zqt
SPACI score: 0.17
AEROSPACI score: 0.17

Experiment type: XRAY
Resolution: 3.4
R-factor: 0.18
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.399
WCK2 WHAT_CHECK Ramachandran: -4.93
WCK3 WHAT_CHECK Chi angles: -6.26
WCK4 WHAT_CHECK Backbone: -2.044

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).