SPACI score report for 1xcd in ASTRAL 1.71:

PDB Entry: 1xcd
SPACI score: 0.34
AEROSPACI score: 0.34

Experiment type: XRAY
Resolution: 2.31
R-factor: 0.222
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.845
WCK2 WHAT_CHECK Ramachandran: -1.935
WCK3 WHAT_CHECK Chi angles: -0.174
WCK4 WHAT_CHECK Backbone: -5.206

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).