SPACI score report for 2az0 in ASTRAL 2.08:

PDB Entry: 2az0
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.241
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.589
WCK2 WHAT_CHECK Ramachandran: -2.048
WCK3 WHAT_CHECK Chi angles: -1.725
WCK4 WHAT_CHECK Backbone: 1.641

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).