SPACI score report for 1ew0 in ASTRAL 1.55:

PDB Entry: 1ew0
SPACI score: 0.64
AEROSPACI score: 0.64

Experiment type: XRAY
Resolution: 1.4
R-factor: 0.205
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.297
WCK2 WHAT_CHECK Ramachandran: 0.573
WCK3 WHAT_CHECK Chi angles: -1.082
WCK4 WHAT_CHECK Backbone: 0.908

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).