SPACI score report for 4c5p in ASTRAL 2.08:

PDB Entry: 4c5p
SPACI score: 0.62
AEROSPACI score: 0.62

Experiment type: XRAY
Resolution: 1.59
R-factor: 0.1564
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.916
WCK2 WHAT_CHECK Ramachandran: -1.859
WCK3 WHAT_CHECK Chi angles: 0.18
WCK4 WHAT_CHECK Backbone: 3.045

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).