SPACI score report for 3qaj in ASTRAL 2.06:

PDB Entry: 3qaj
SPACI score: 0.19
AEROSPACI score: 0.19

Experiment type: XRAY
Resolution: 3.05
R-factor: 0.229
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.718
WCK2 WHAT_CHECK Ramachandran: -2.877
WCK3 WHAT_CHECK Chi angles: -4.462
WCK4 WHAT_CHECK Backbone: 2.548

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).