SPACI score report for 1d4t in ASTRAL 1.61:

PDB Entry: 1d4t
SPACI score: 0.94
AEROSPACI score: 0.94

Experiment type: XRAY
Resolution: 1.1
R-factor: 0.127
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.423
WCK2 WHAT_CHECK Ramachandran: 0.741
WCK3 WHAT_CHECK Chi angles: 1.887
WCK4 WHAT_CHECK Backbone: 1.629

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).