SPACI score report for 1vlg in ASTRAL 1.73:

PDB Entry: 1vlg
SPACI score: 0.49
AEROSPACI score: 0.49

Experiment type: XRAY
Resolution: 2
R-factor: 0.18
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 3.023
WCK2 WHAT_CHECK Ramachandran: 2.377
WCK3 WHAT_CHECK Chi angles: 0.195
WCK4 WHAT_CHECK Backbone: -1.223

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).