SPACI score report for 3dz8 in ASTRAL 2.04:

PDB Entry: 3dz8
SPACI score: 0.46
AEROSPACI score: 0.46

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.213
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.423
WCK2 WHAT_CHECK Ramachandran: -1.618
WCK3 WHAT_CHECK Chi angles: -0.69
WCK4 WHAT_CHECK Backbone: 4.023

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).