SPACI score report for 1dqu in ASTRAL 2.03:

PDB Entry: 1dqu
SPACI score: 0.13
AEROSPACI score: 0.13

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.276
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.648
WCK2 WHAT_CHECK Ramachandran: -5.632
WCK3 WHAT_CHECK Chi angles: -6.263
WCK4 WHAT_CHECK Backbone: 3.023

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).