SPACI score report for 1kd0 in ASTRAL 1.61:

PDB Entry: 1kd0
SPACI score: 0.5
AEROSPACI score: 0.5

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.178
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.132
WCK2 WHAT_CHECK Ramachandran: -0.406
WCK3 WHAT_CHECK Chi angles: 0.715
WCK4 WHAT_CHECK Backbone: -0.724

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).