SPACI score report for 2xsh in ASTRAL 2.01:

PDB Entry: 2xsh
SPACI score: 0.38
AEROSPACI score: 0.38

Experiment type: XRAY
Resolution: 2.29
R-factor: 0.18863
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.221
WCK2 WHAT_CHECK Ramachandran: -1.971
WCK3 WHAT_CHECK Chi angles: -1.298
WCK4 WHAT_CHECK Backbone: -1.018

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).