SPACI score report for 1p22 in ASTRAL 2.06:

PDB Entry: 1p22
SPACI score: 0.16
AEROSPACI score: 0.16

Experiment type: XRAY
Resolution: 2.95
R-factor: 0.233
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.006
WCK2 WHAT_CHECK Ramachandran: -5.266
WCK3 WHAT_CHECK Chi angles: -5.732
WCK4 WHAT_CHECK Backbone: -2.978

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).