SPACI score report for 2ws7 in ASTRAL 2.08:

PDB Entry: 2ws7
SPACI score: 0.29
AEROSPACI score: 0.29

Experiment type: XRAY
Resolution: 2.59
R-factor: 0.21386
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.803
WCK2 WHAT_CHECK Ramachandran: -2.604
WCK3 WHAT_CHECK Chi angles: -3.09
WCK4 WHAT_CHECK Backbone: 4.937

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).