SPACI score report for 3ffh in ASTRAL 2.06:

PDB Entry: 3ffh
SPACI score: 0.32
AEROSPACI score: 0.32

Experiment type: XRAY
Resolution: 2.31
R-factor: 0.208
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.568
WCK2 WHAT_CHECK Ramachandran: -1.299
WCK3 WHAT_CHECK Chi angles: -3.615
WCK4 WHAT_CHECK Backbone: 2.616

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).