SPACI score report for 8ico in ASTRAL 1.67:

PDB Entry: 8ico
SPACI score: 0.26
AEROSPACI score: 0.26

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.181
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.587
WCK2 WHAT_CHECK Ramachandran: -3.917
WCK3 WHAT_CHECK Chi angles: -4.677
WCK4 WHAT_CHECK Backbone: -8.794

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).