SPACI score report for 1ul3 in ASTRAL 1.71:

PDB Entry: 1ul3
SPACI score: 0.41
AEROSPACI score: 0.41

Experiment type: XRAY
Resolution: 2
R-factor: 0.219
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 2.326
WCK2 WHAT_CHECK Ramachandran: 0.349
WCK3 WHAT_CHECK Chi angles: -0.499
WCK4 WHAT_CHECK Backbone: -2.213

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).