SPACI score report for 1ezz in ASTRAL 1.69:

PDB Entry: 1ezz
SPACI score: 0.22
AEROSPACI score: 0.22

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.182
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.629
WCK2 WHAT_CHECK Ramachandran: -5.645
WCK3 WHAT_CHECK Chi angles: -4.421
WCK4 WHAT_CHECK Backbone: -8.397

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).