SPACI score report for 1afn in ASTRAL 2.08:

PDB Entry: 1afn
SPACI score: 0.29
AEROSPACI score: 0.29

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.176
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.924
WCK2 WHAT_CHECK Ramachandran: -3.07
WCK3 WHAT_CHECK Chi angles: -4.854
WCK4 WHAT_CHECK Backbone: -1.504

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).