SPACI score report for 1yd8 in ASTRAL 2.06:

PDB Entry: 1yd8
SPACI score: 0.23
AEROSPACI score: 0.23

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.221
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.198
WCK2 WHAT_CHECK Ramachandran: -6.217
WCK3 WHAT_CHECK Chi angles: -5.191
WCK4 WHAT_CHECK Backbone: 1.029

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).