SPACI score report for 1fn3 in ASTRAL 1.75:

PDB Entry: 1fn3
SPACI score: 0.14
AEROSPACI score: 0.14

Experiment type: XRAY
Resolution: 2.48
R-factor: 0.242
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.567
WCK2 WHAT_CHECK Ramachandran: -7.244
WCK3 WHAT_CHECK Chi angles: -7.413
WCK4 WHAT_CHECK Backbone: -1.971

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).