SPACI score report for 1yhs in ASTRAL 2.05:

PDB Entry: 1yhs
SPACI score: 0.38
AEROSPACI score: 0.38

Experiment type: XRAY
Resolution: 2.15
R-factor: 0.205
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.509
WCK2 WHAT_CHECK Ramachandran: -1.113
WCK3 WHAT_CHECK Chi angles: -0.928
WCK4 WHAT_CHECK Backbone: 0.095

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).