SPACI score report for 1klf in ASTRAL 2.07:

PDB Entry: 1klf
SPACI score: 0.19
AEROSPACI score: 0.19

Experiment type: XRAY
Resolution: 2.79
R-factor: 0.239
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.379
WCK2 WHAT_CHECK Ramachandran: -4.346
WCK3 WHAT_CHECK Chi angles: -3.354
WCK4 WHAT_CHECK Backbone: -1.743

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).