SPACI score report for 3zmz in ASTRAL 2.05:

PDB Entry: 3zmz
SPACI score: 0.25
AEROSPACI score: 0.25

Experiment type: XRAY
Resolution: 3
R-factor: 0.20848
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.348
WCK2 WHAT_CHECK Ramachandran: -1.646
WCK3 WHAT_CHECK Chi angles: -2.293
WCK4 WHAT_CHECK Backbone: 3.541

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).