SPACI score report for 2c13 in ASTRAL 2.07:

PDB Entry: 2c13
SPACI score: 0.45
AEROSPACI score: 0.45

Experiment type: XRAY
Resolution: 2.15
R-factor: 0.155
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.797
WCK2 WHAT_CHECK Ramachandran: -1.188
WCK3 WHAT_CHECK Chi angles: -0.339
WCK4 WHAT_CHECK Backbone: 0.418

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).