SPACI score report for 1yd0 in ASTRAL 2.07:

PDB Entry: 1yd0
SPACI score: 0.68
AEROSPACI score: 0.68

Experiment type: XRAY
Resolution: 1.5
R-factor: 0.168
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.35
WCK2 WHAT_CHECK Ramachandran: -0.118
WCK3 WHAT_CHECK Chi angles: 2.806
WCK4 WHAT_CHECK Backbone: 4.075

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).