SPACI score report for 3m3y in ASTRAL 2.07:

PDB Entry: 3m3y
SPACI score: 0.18
AEROSPACI score: 0.18

Experiment type: XRAY
Resolution: 3.18
R-factor: 0.209
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.552
WCK2 WHAT_CHECK Ramachandran: -5.056
WCK3 WHAT_CHECK Chi angles: -5.539
WCK4 WHAT_CHECK Backbone: -2.02

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).