SPACI score report for 1zhl in ASTRAL 1.73:

PDB Entry: 1zhl
SPACI score: 0.62
AEROSPACI score: 0.62

Experiment type: XRAY
Resolution: 1.5
R-factor: 0.204
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 2.738
WCK2 WHAT_CHECK Ramachandran: 0.319
WCK3 WHAT_CHECK Chi angles: 1.687
WCK4 WHAT_CHECK Backbone: -2.255

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).