SPACI score report for 1jvk in ASTRAL 1.63:

PDB Entry: 1jvk
SPACI score: 0.42
AEROSPACI score: 0.42

Experiment type: XRAY
Resolution: 1.94
R-factor: 0.223
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 1.068
WCK2 WHAT_CHECK Ramachandran: 0.448
WCK3 WHAT_CHECK Chi angles: -0.745
WCK4 WHAT_CHECK Backbone: 1.033

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).