SPACI score report for 1dx4 in ASTRAL 1.75:

PDB Entry: 1dx4
SPACI score: 0.31
AEROSPACI score: 0.31

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.22
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.998
WCK2 WHAT_CHECK Ramachandran: -3.463
WCK3 WHAT_CHECK Chi angles: -2.759
WCK4 WHAT_CHECK Backbone: -1.12

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).