SPACI score report for 2ay1 in ASTRAL 1.71:

PDB Entry: 2ay1
SPACI score: 0.39
AEROSPACI score: 0.39

Experiment type: XRAY
Resolution: 2.2
R-factor: 0.179
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.266
WCK2 WHAT_CHECK Ramachandran: -1.359
WCK3 WHAT_CHECK Chi angles: -1.179
WCK4 WHAT_CHECK Backbone: -4.542

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).