SPACI score report for 1q3a in ASTRAL 2.04:

PDB Entry: 1q3a
SPACI score: 0.28
AEROSPACI score: 0.28

Experiment type: XRAY
Resolution: 2.1
R-factor: 0.278
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.844
WCK2 WHAT_CHECK Ramachandran: -3.005
WCK3 WHAT_CHECK Chi angles: -5.21
WCK4 WHAT_CHECK Backbone: -2.004

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).