SPACI score report for 2b97 in ASTRAL 2.01:

PDB Entry: 2b97
SPACI score: 1.34
AEROSPACI score: 1.34

Experiment type: XRAY
Resolution: 0.75
R-factor: 0.13
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.423
WCK2 WHAT_CHECK Ramachandran: -1.226
WCK3 WHAT_CHECK Chi angles: 0.214
WCK4 WHAT_CHECK Backbone: -1.025

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).