SPACI score report for 4ev4 in ASTRAL 2.05:

PDB Entry: 4ev4
SPACI score: 0.82
AEROSPACI score: 0.82

Experiment type: XRAY
Resolution: 1.3
R-factor: 0.116
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.068
WCK2 WHAT_CHECK Ramachandran: -0.367
WCK3 WHAT_CHECK Chi angles: -0.271
WCK4 WHAT_CHECK Backbone: 3.362

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).