SPACI score report for 3c7x in ASTRAL 2.03:

PDB Entry: 3c7x
SPACI score: 0.55
AEROSPACI score: 0.55

Experiment type: XRAY
Resolution: 1.7
R-factor: 0.185
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.799
WCK2 WHAT_CHECK Ramachandran: -1.109
WCK3 WHAT_CHECK Chi angles: 1.172
WCK4 WHAT_CHECK Backbone: 0.602

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).