SPACI score report for 3i7w in ASTRAL 2.05:

PDB Entry: 3i7w
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.35
R-factor: 0.252
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -0.841
WCK2 WHAT_CHECK Ramachandran: -2.694
WCK3 WHAT_CHECK Chi angles: -2.52
WCK4 WHAT_CHECK Backbone: -0.557

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).