SPACI score report for 1y31 in ASTRAL 2.05:

PDB Entry: 1y31
SPACI score: 0.4
AEROSPACI score: 0.4

Experiment type: XRAY
Resolution: 2.13
R-factor: 0.168
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.365
WCK2 WHAT_CHECK Ramachandran: -2.01
WCK3 WHAT_CHECK Chi angles: -3.968
WCK4 WHAT_CHECK Backbone: 1.045

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).