SPACI score report for 1yvo in ASTRAL 1.73:

PDB Entry: 1yvo
SPACI score: 0.48
AEROSPACI score: 0.48

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.187
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.924
WCK2 WHAT_CHECK Ramachandran: 0.323
WCK3 WHAT_CHECK Chi angles: -0.527
WCK4 WHAT_CHECK Backbone: -2.595

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).