SPACI score report for 2xr8 in ASTRAL 2.02:

PDB Entry: 2xr8
SPACI score: 0.3
AEROSPACI score: 0.3

Experiment type: XRAY
Resolution: 2.49
R-factor: 0.21649
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.137
WCK2 WHAT_CHECK Ramachandran: -1.911
WCK3 WHAT_CHECK Chi angles: -1.232
WCK4 WHAT_CHECK Backbone: -0.765

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).