SPACI score report for 1l6z in ASTRAL 2.06:

PDB Entry: 1l6z
SPACI score: 0
AEROSPACI score: 0

Experiment type: XRAY
Resolution: 3.32
R-factor: 0.295
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -2.775
WCK2 WHAT_CHECK Ramachandran: -5.66
WCK3 WHAT_CHECK Chi angles: -7.231
WCK4 WHAT_CHECK Backbone: -4.743

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).