SPACI score report for 1kj2 in ASTRAL 2.01:

PDB Entry: 1kj2
SPACI score: 0.26
AEROSPACI score: 0.26

Experiment type: XRAY
Resolution: 2.71
R-factor: 0.22
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.824
WCK2 WHAT_CHECK Ramachandran: -3.842
WCK3 WHAT_CHECK Chi angles: -3.379
WCK4 WHAT_CHECK Backbone: 2.523

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).