SPACI score report for 2vtk in ASTRAL 1.69:

PDB Entry: 2vtk
SPACI score: 0.29
AEROSPACI score: 0.29

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.175
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.062
WCK2 WHAT_CHECK Ramachandran: -2.959
WCK3 WHAT_CHECK Chi angles: -2.475
WCK4 WHAT_CHECK Backbone: -4.107

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).