SPACI score report for 3jx7 in ASTRAL 2.01:

PDB Entry: 3jx7
SPACI score: 0.64
AEROSPACI score: 0.64

Experiment type: XRAY
Resolution: 1.6
R-factor: 0.16
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -1.784
WCK2 WHAT_CHECK Ramachandran: 0.11
WCK3 WHAT_CHECK Chi angles: 2.148
WCK4 WHAT_CHECK Backbone: 4.465

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).