SPACI score report for 2rfy in ASTRAL 2.06:

PDB Entry: 2rfy
SPACI score: 0.47
AEROSPACI score: 0.47

Experiment type: XRAY
Resolution: 1.7
R-factor: 0.185
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.695
WCK2 WHAT_CHECK Ramachandran: -3.478
WCK3 WHAT_CHECK Chi angles: -5.086
WCK4 WHAT_CHECK Backbone: -1.773

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).