SPACI score report for 1pc8 in ASTRAL 1.69:

PDB Entry: 1pc8
SPACI score: 0.11
AEROSPACI score: 0.11

Experiment type: XRAY
Resolution: 3.8
R-factor: 0.231
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.235
WCK2 WHAT_CHECK Ramachandran: -5.476
WCK3 WHAT_CHECK Chi angles: -3.87
WCK4 WHAT_CHECK Backbone: -7.491

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).