SPACI score report for 1rtq in ASTRAL 2.05:

PDB Entry: 1rtq
SPACI score: 1.08
AEROSPACI score: 1.08

Experiment type: XRAY
Resolution: 0.95
R-factor: 0.135
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -1.307
WCK2 WHAT_CHECK Ramachandran: 0.066
WCK3 WHAT_CHECK Chi angles: -0.456
WCK4 WHAT_CHECK Backbone: -0.015

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).