SPACI score report for 4fo2 in ASTRAL 2.07:

PDB Entry: 4fo2
SPACI score: 0.57
AEROSPACI score: 0.57

Experiment type: XRAY
Resolution: 1.5
R-factor: 0.225
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.236
WCK2 WHAT_CHECK Ramachandran: -1.17
WCK3 WHAT_CHECK Chi angles: -1.112
WCK4 WHAT_CHECK Backbone: 2.397

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).