SPACI score report for 1usd in ASTRAL 2.07:

PDB Entry: 1usd
SPACI score: 0.55
AEROSPACI score: 0.55

Experiment type: XRAY
Resolution: 1.7
R-factor: 0.212
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 3.231
WCK2 WHAT_CHECK Ramachandran: 1.292
WCK3 WHAT_CHECK Chi angles: 0.6
WCK4 WHAT_CHECK Backbone: 2.239

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).