SPACI score report for 3pgh in ASTRAL 2.04:

PDB Entry: 3pgh
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.236
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.731
WCK2 WHAT_CHECK Ramachandran: -3.947
WCK3 WHAT_CHECK Chi angles: -3.958
WCK4 WHAT_CHECK Backbone: 1.689

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).