SPACI score report for 1zuj in ASTRAL 2.06:

PDB Entry: 1zuj
SPACI score: 0.18
AEROSPACI score: 0.18

Experiment type: XRAY
Resolution: 2.9
R-factor: 0.256
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.722
WCK2 WHAT_CHECK Ramachandran: -4.38
WCK3 WHAT_CHECK Chi angles: -6.222
WCK4 WHAT_CHECK Backbone: 4.398

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).