SPACI score report for 3l43 in ASTRAL 2.04:

PDB Entry: 3l43
SPACI score: 0.33
AEROSPACI score: 0.33

Experiment type: XRAY
Resolution: 2.27
R-factor: 0.229
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.681
WCK2 WHAT_CHECK Ramachandran: -1.861
WCK3 WHAT_CHECK Chi angles: -3.227
WCK4 WHAT_CHECK Backbone: 1.076

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).