SPACI score report for 1b9y in ASTRAL 1.69:

PDB Entry: 1b9y
SPACI score: 0.25
AEROSPACI score: 0.25

Experiment type: XRAY
Resolution: 3
R-factor: 0.213
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.759
WCK2 WHAT_CHECK Ramachandran: -2.624
WCK3 WHAT_CHECK Chi angles: -0.354
WCK4 WHAT_CHECK Backbone: -4.351

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).