SPACI score report for 1cs1 in ASTRAL 1.55:

PDB Entry: 1cs1
SPACI score: 0.59
AEROSPACI score: 0.59

Experiment type: XRAY
Resolution: 1.5
R-factor: 0.2
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.777
WCK2 WHAT_CHECK Ramachandran: -0.581
WCK3 WHAT_CHECK Chi angles: -1.089
WCK4 WHAT_CHECK Backbone: -0.059

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).