SPACI score report for 1ipk in ASTRAL 1.69:

PDB Entry: 1ipk
SPACI score: 0.21
AEROSPACI score: 0.21

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.205
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 0.243
WCK2 WHAT_CHECK Ramachandran: -4.042
WCK3 WHAT_CHECK Chi angles: -5.223
WCK4 WHAT_CHECK Backbone: -4.815

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).