SPACI score report for 1udu in ASTRAL 1.67:

PDB Entry: 1udu
SPACI score: 0.13
AEROSPACI score: 0.13

Experiment type: XRAY
Resolution: 2.83
R-factor: 0.263
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.183
WCK2 WHAT_CHECK Ramachandran: -7.887
WCK3 WHAT_CHECK Chi angles: -4.089
WCK4 WHAT_CHECK Backbone: -5.757

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).