SPACI score report for 1ibf in ASTRAL 1.65:

PDB Entry: 1ibf
SPACI score: 0.38
AEROSPACI score: 0.38

Experiment type: XRAY
Resolution: 2.2
R-factor: 0.223
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.802
WCK2 WHAT_CHECK Ramachandran: -1.069
WCK3 WHAT_CHECK Chi angles: 0.233
WCK4 WHAT_CHECK Backbone: -0.128

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).