SPACI score report for 2pc6 in ASTRAL 1.73:

PDB Entry: 2pc6
SPACI score: 0.28
AEROSPACI score: 0.28

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.208
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.444
WCK2 WHAT_CHECK Ramachandran: -1.391
WCK3 WHAT_CHECK Chi angles: -3.572
WCK4 WHAT_CHECK Backbone: -8.605

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).