SPACI score report for 1ki6 in ASTRAL 1.55:

PDB Entry: 1ki6
SPACI score: 0.32
AEROSPACI score: 0.32

Experiment type: XRAY
Resolution: 2.37
R-factor: 0.223
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.023
WCK2 WHAT_CHECK Ramachandran: -1.387
WCK3 WHAT_CHECK Chi angles: -1.463
WCK4 WHAT_CHECK Backbone: 0.908

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).