SPACI score report for 2cws in ASTRAL 2.05:

PDB Entry: 2cws
SPACI score: 1.04
AEROSPACI score: 1.04

Experiment type: XRAY
Resolution: 1
R-factor: 0.11
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.236
WCK2 WHAT_CHECK Ramachandran: -1.878
WCK3 WHAT_CHECK Chi angles: 0.932
WCK4 WHAT_CHECK Backbone: 2.808

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).