SPACI score report for 1lxk in ASTRAL 1.63:

PDB Entry: 1lxk
SPACI score: 0.58
AEROSPACI score: 0.58

Experiment type: XRAY
Resolution: 1.53
R-factor: 0.19
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.369
WCK2 WHAT_CHECK Ramachandran: -1.362
WCK3 WHAT_CHECK Chi angles: -1.837
WCK4 WHAT_CHECK Backbone: -0.424

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).