SPACI score report for 1ca5 in ASTRAL 1.73:

PDB Entry: 1ca5
SPACI score: 0.31
AEROSPACI score: 0.31

Experiment type: XRAY
Resolution: 2.2
R-factor: 0.19
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.599
WCK2 WHAT_CHECK Ramachandran: -1.946
WCK3 WHAT_CHECK Chi angles: -4.59
WCK4 WHAT_CHECK Backbone: -18.935

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).