SPACI score report for 1ubc in ASTRAL 1.69:

PDB Entry: 1ubc
SPACI score: 0.09
AEROSPACI score: 0.09

Experiment type: XRAY
Resolution: 3.8
R-factor: 0.242
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.124
WCK2 WHAT_CHECK Ramachandran: -6.018
WCK3 WHAT_CHECK Chi angles: -4.01
WCK4 WHAT_CHECK Backbone: -9.693

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).