SPACI score report for 4dgz in ASTRAL 2.07:

PDB Entry: 4dgz
SPACI score: 0.65
AEROSPACI score: 0.65

Experiment type: XRAY
Resolution: 1.47
R-factor: 0.177
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.143
WCK2 WHAT_CHECK Ramachandran: 0.267
WCK3 WHAT_CHECK Chi angles: 0.32
WCK4 WHAT_CHECK Backbone: -0.364

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).