SPACI score report for 1ieb in ASTRAL 1.67:

PDB Entry: 1ieb
SPACI score: 0.25
AEROSPACI score: 0.25

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.222
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 2.065
WCK2 WHAT_CHECK Ramachandran: -4.27
WCK3 WHAT_CHECK Chi angles: -2.835
WCK4 WHAT_CHECK Backbone: -5.872

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).