SPACI score report for 1jz2 in ASTRAL 1.59:

PDB Entry: 1jz2
SPACI score: 0.41
AEROSPACI score: 0.41

Experiment type: XRAY
Resolution: 2.1
R-factor: 0.167
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -0.855
WCK2 WHAT_CHECK Ramachandran: -1.237
WCK3 WHAT_CHECK Chi angles: -1.501
WCK4 WHAT_CHECK Backbone: -1.718

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).