SPACI score report for 1muo in ASTRAL 1.73:

PDB Entry: 1muo
SPACI score: 0.12
AEROSPACI score: 0.12

Experiment type: XRAY
Resolution: 2.9
R-factor: 0.24
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -3.232
WCK2 WHAT_CHECK Ramachandran: -7.225
WCK3 WHAT_CHECK Chi angles: -4.235
WCK4 WHAT_CHECK Backbone: -9.058

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).