SPACI score report for 3b69 in ASTRAL 2.07:

PDB Entry: 3b69
SPACI score: 0.59
AEROSPACI score: 0.59

Experiment type: XRAY
Resolution: 1.67
R-factor: 0.147
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.11
WCK2 WHAT_CHECK Ramachandran: -1.794
WCK3 WHAT_CHECK Chi angles: -1.372
WCK4 WHAT_CHECK Backbone: -1.131

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).