SPACI score report for 1otu in ASTRAL 2.07:

PDB Entry: 1otu
SPACI score: 0.07
AEROSPACI score: 0.07

Experiment type: XRAY
Resolution: 3.3
R-factor: 0.294
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.394
WCK2 WHAT_CHECK Ramachandran: -6.531
WCK3 WHAT_CHECK Chi angles: -4.934
WCK4 WHAT_CHECK Backbone: -0.751

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).