SPACI score report for 3p7b in ASTRAL 2.06:

PDB Entry: 3p7b
SPACI score: 0.42
AEROSPACI score: 0.42

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.224
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.35
WCK2 WHAT_CHECK Ramachandran: -1.163
WCK3 WHAT_CHECK Chi angles: -2.691
WCK4 WHAT_CHECK Backbone: 3.522

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).