SPACI score report for 1yso in ASTRAL 2.07:

PDB Entry: 1yso
SPACI score: 0.53
AEROSPACI score: 0.53

Experiment type: XRAY
Resolution: 1.73
R-factor: 0.182
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 2.345
WCK2 WHAT_CHECK Ramachandran: 0.823
WCK3 WHAT_CHECK Chi angles: -0.195
WCK4 WHAT_CHECK Backbone: 1.095

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).