SPACI score report for 1wb2 in ASTRAL 2.06:

PDB Entry: 1wb2
SPACI score: 0.01
AEROSPACI score: 0.01

Experiment type: XRAY
Resolution: 3.1
R-factor: 0.336
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.004
WCK2 WHAT_CHECK Ramachandran: -6.743
WCK3 WHAT_CHECK Chi angles: -5.406
WCK4 WHAT_CHECK Backbone: -0.272

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).