SPACI score report for 1ewa in ASTRAL 1.55:

PDB Entry: 1ewa
SPACI score: 0.38
AEROSPACI score: 0.38

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.201
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.828
WCK2 WHAT_CHECK Ramachandran: 0.965
WCK3 WHAT_CHECK Chi angles: 2.035
WCK4 WHAT_CHECK Backbone: 1.257

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).