SPACI score report for 2hzt in ASTRAL 2.03:

PDB Entry: 2hzt
SPACI score: 0.42
AEROSPACI score: 0.42

Experiment type: XRAY
Resolution: 2
R-factor: 0.236
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.795
WCK2 WHAT_CHECK Ramachandran: -0.616
WCK3 WHAT_CHECK Chi angles: 0.081
WCK4 WHAT_CHECK Backbone: 4.259

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).