SPACI score report for 1pu5 in ASTRAL 1.73:

PDB Entry: 1pu5
SPACI score: 0.45
AEROSPACI score: 0.45

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.214
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.768
WCK2 WHAT_CHECK Ramachandran: -0.447
WCK3 WHAT_CHECK Chi angles: -0.008
WCK4 WHAT_CHECK Backbone: -6.63

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).