SPACI score report for 3myj in ASTRAL 2.02:

PDB Entry: 3myj
SPACI score: 0.47
AEROSPACI score: 0.47

Experiment type: XRAY
Resolution: 1.89
R-factor: 0.188
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.046
WCK2 WHAT_CHECK Ramachandran: 0.257
WCK3 WHAT_CHECK Chi angles: -0.663
WCK4 WHAT_CHECK Backbone: 0.916

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).