SPACI score report for 1rqa in ASTRAL 2.06:

PDB Entry: 1rqa
SPACI score: 0.42
AEROSPACI score: 0.42

Experiment type: XRAY
Resolution: 2.11
R-factor: 0.192
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.018
WCK2 WHAT_CHECK Ramachandran: -1.243
WCK3 WHAT_CHECK Chi angles: -2.433
WCK4 WHAT_CHECK Backbone: 0.952

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).