SPACI score report for 3frc in ASTRAL 2.04:

PDB Entry: 3frc
SPACI score: 0.4
AEROSPACI score: 0.4

Experiment type: XRAY
Resolution: 2
R-factor: 0.222
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.736
WCK2 WHAT_CHECK Ramachandran: 0.307
WCK3 WHAT_CHECK Chi angles: -0.362
WCK4 WHAT_CHECK Backbone: -1.037

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).