SPACI score report for 2etn in ASTRAL 1.75:

PDB Entry: 2etn
SPACI score: -0
AEROSPACI score: 0

Experiment type: XRAY
Resolution: 3.3
R-factor: 0.257
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -1.696
WCK2 WHAT_CHECK Ramachandran: -6.724
WCK3 WHAT_CHECK Chi angles: -7.327
WCK4 WHAT_CHECK Backbone: -2.54

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).