SPACI score report for 2nvz in ASTRAL 2.07:

PDB Entry: 2nvz
SPACI score: -0.01
AEROSPACI score: -0.01

Experiment type: XRAY
Resolution: 4.3
R-factor: 0.276
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.606
WCK2 WHAT_CHECK Ramachandran: -5.789
WCK3 WHAT_CHECK Chi angles: -5.494
WCK4 WHAT_CHECK Backbone: -3.189

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).