SPACI score report for 1ys2 in ASTRAL 2.08:

PDB Entry: 1ys2
SPACI score: 0.69
AEROSPACI score: 0.69

Experiment type: XRAY
Resolution: 1.5
R-factor: 0.151
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 2.037
WCK2 WHAT_CHECK Ramachandran: -0.451
WCK3 WHAT_CHECK Chi angles: 0.894
WCK4 WHAT_CHECK Backbone: 0.236

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).