SPACI score report for 2xgw in ASTRAL 2.04:

PDB Entry: 2xgw
SPACI score: 0.51
AEROSPACI score: 0.51

Experiment type: XRAY
Resolution: 2.1
R-factor: 0.14531
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 1.435
WCK2 WHAT_CHECK Ramachandran: 2.074
WCK3 WHAT_CHECK Chi angles: 0.861
WCK4 WHAT_CHECK Backbone: 1.632

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).