SPACI score report for 2ao2 in ASTRAL 2.07:

PDB Entry: 2ao2
SPACI score: 0.47
AEROSPACI score: 0.47

Experiment type: XRAY
Resolution: 2.07
R-factor: 0.18
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.483
WCK2 WHAT_CHECK Ramachandran: -1.199
WCK3 WHAT_CHECK Chi angles: -0.539
WCK4 WHAT_CHECK Backbone: 5.56

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).