SPACI score report for 3pdx in ASTRAL 2.05:

PDB Entry: 3pdx
SPACI score: 0.14
AEROSPACI score: 0.14

Experiment type: XRAY
Resolution: 2.91
R-factor: 0.265
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.464
WCK2 WHAT_CHECK Ramachandran: -4.522
WCK3 WHAT_CHECK Chi angles: -5.136
WCK4 WHAT_CHECK Backbone: -1.847

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).