SPACI score report for 4dvb in ASTRAL 2.07:

PDB Entry: 4dvb
SPACI score: 0.42
AEROSPACI score: 0.42

Experiment type: XRAY
Resolution: 1.93
R-factor: 0.224
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.077
WCK2 WHAT_CHECK Ramachandran: -1.598
WCK3 WHAT_CHECK Chi angles: -2.177
WCK4 WHAT_CHECK Backbone: 2.893

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).