SPACI score report for 2ets in ASTRAL 2.04:

PDB Entry: 2ets
SPACI score: 0.44
AEROSPACI score: 0.44

Experiment type: XRAY
Resolution: 2.25
R-factor: 0.175
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.799
WCK2 WHAT_CHECK Ramachandran: 0.567
WCK3 WHAT_CHECK Chi angles: 0.504
WCK4 WHAT_CHECK Backbone: 1.572

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).