SPACI score report for 2rfu in ASTRAL 2.03:

PDB Entry: 2rfu
SPACI score: 0.13
AEROSPACI score: 0.13

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.296
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.173
WCK2 WHAT_CHECK Ramachandran: -4.598
WCK3 WHAT_CHECK Chi angles: -4.38
WCK4 WHAT_CHECK Backbone: -2.198

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).