SPACI score report for 1yqi in ASTRAL 2.07:

PDB Entry: 1yqi
SPACI score: -0.05
AEROSPACI score: -0.05

Experiment type: XRAY
Resolution: 4.25
R-factor: 0.276
PCK1 PROCHECK Ramachandran: 4
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -5.964
WCK2 WHAT_CHECK Ramachandran: -8.975
WCK3 WHAT_CHECK Chi angles: -4.758
WCK4 WHAT_CHECK Backbone: -8.913

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).