SPACI score report for 1gzl in ASTRAL 1.75:

PDB Entry: 1gzl
SPACI score: 0.55
AEROSPACI score: 0.55

Experiment type: XRAY
Resolution: 1.8
R-factor: 0.208
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.986
WCK2 WHAT_CHECK Ramachandran: -2.135
WCK3 WHAT_CHECK Chi angles: -2.242
WCK4 WHAT_CHECK Backbone: 2.214

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).