SPACI score report for 1kbc in ASTRAL 1.55:

PDB Entry: 1kbc
SPACI score: 0.49
AEROSPACI score: 0.49

Experiment type: XRAY
Resolution: 1.81
R-factor: 0.191
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.314
WCK2 WHAT_CHECK Ramachandran: 0.449
WCK3 WHAT_CHECK Chi angles: 0.099
WCK4 WHAT_CHECK Backbone: 0.2

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).