SPACI score report for 2ifg in ASTRAL 2.06:

PDB Entry: 2ifg
SPACI score: 0.06
AEROSPACI score: 0.06

Experiment type: XRAY
Resolution: 3.4
R-factor: 0.297
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.994
WCK2 WHAT_CHECK Ramachandran: -4.654
WCK3 WHAT_CHECK Chi angles: -3.456
WCK4 WHAT_CHECK Backbone: -3.746

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).