SPACI score report for 3cmn in ASTRAL 2.08:

WARNING! The SPACI score for this entry is not valid. The R-factor is not available and an abitrary R-factor has been used.

PDB Entry: 3cmn
SPACI score: 0.32 (not valid)
AEROSPACI score: 0.32 (not valid)

Experiment type: XRAY
Resolution: 2.25
R-factor: 0.25
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.056
WCK2 WHAT_CHECK Ramachandran: -1.874
WCK3 WHAT_CHECK Chi angles: -1.007
WCK4 WHAT_CHECK Backbone: 4.931000000000001

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).