SPACI score report for 1nzh in ASTRAL 2.06:

PDB Entry: 1nzh
SPACI score: 0.53
AEROSPACI score: 0.53

Experiment type: XRAY
Resolution: 1.75
R-factor: 0.17
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.175
WCK2 WHAT_CHECK Ramachandran: 0.377
WCK3 WHAT_CHECK Chi angles: -1.251
WCK4 WHAT_CHECK Backbone: 0.793

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).