SPACI score report for 1k9p in ASTRAL 2.05:

PDB Entry: 1k9p
SPACI score: 0.52
AEROSPACI score: 0.52

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.176
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.115
WCK2 WHAT_CHECK Ramachandran: -0.189
WCK3 WHAT_CHECK Chi angles: -0.246
WCK4 WHAT_CHECK Backbone: 5.053

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).