SPACI score report for 1v4u in ASTRAL 1.73:

PDB Entry: 1v4u
SPACI score: 0.39
AEROSPACI score: 0.39

Experiment type: XRAY
Resolution: 2
R-factor: 0.207
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.739
WCK2 WHAT_CHECK Ramachandran: -1.847
WCK3 WHAT_CHECK Chi angles: -2.718
WCK4 WHAT_CHECK Backbone: -3.363

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).