SPACI score report for 1cm2 in ASTRAL 1.55:

PDB Entry: 1cm2
SPACI score: 0.51
AEROSPACI score: 0.51 (mutant; see below)

Experiment type: XRAY
Resolution: 1.8
R-factor: 0.2
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.756
WCK2 WHAT_CHECK Ramachandran: 0.801
WCK3 WHAT_CHECK Chi angles: 0.616
WCK4 WHAT_CHECK Backbone: 0.926

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase mutant. The full comment is: "mutant"

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).