SPACI score report for 2cg1 in ASTRAL 1.73:

PDB Entry: 2cg1
SPACI score: 0.57
AEROSPACI score: 0.57

Experiment type: XRAY
Resolution: 1.67
R-factor: 0.161
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.875
WCK2 WHAT_CHECK Ramachandran: -0.454
WCK3 WHAT_CHECK Chi angles: 0.713
WCK4 WHAT_CHECK Backbone: -7.276

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).