SPACI score report for 2f15 in ASTRAL 2.05:

PDB Entry: 2f15
SPACI score: 0.37
AEROSPACI score: 0.37

Experiment type: XRAY
Resolution: 2
R-factor: 0.239
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.262
WCK2 WHAT_CHECK Ramachandran: -0.21
WCK3 WHAT_CHECK Chi angles: -1.654
WCK4 WHAT_CHECK Backbone: -0.124

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).