SPACI score report for 3eco in ASTRAL 2.01:

PDB Entry: 3eco
SPACI score: 0.32
AEROSPACI score: 0.32

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.242
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.816
WCK2 WHAT_CHECK Ramachandran: -0.252
WCK3 WHAT_CHECK Chi angles: -1.555
WCK4 WHAT_CHECK Backbone: 1.906

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).