SPACI score report for 1ix9 in ASTRAL 2.06:

PDB Entry: 1ix9
SPACI score: 1.17
AEROSPACI score: 1.17

Experiment type: XRAY
Resolution: 0.9
R-factor: 0.107
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -1.938
WCK2 WHAT_CHECK Ramachandran: -0.443
WCK3 WHAT_CHECK Chi angles: 1.017
WCK4 WHAT_CHECK Backbone: -0.994

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).