SPACI score report for 1yq0 in ASTRAL 2.07:

PDB Entry: 1yq0
SPACI score: -0.08
AEROSPACI score: -0.08

Experiment type: XRAY
Resolution: 4.5
R-factor: 0.268
PCK1 PROCHECK Ramachandran: 4
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -6.002
WCK2 WHAT_CHECK Ramachandran: -9.225
WCK3 WHAT_CHECK Chi angles: -6.073
WCK4 WHAT_CHECK Backbone: -9.628

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).