SPACI score report for 1y9g in ASTRAL 2.02:

PDB Entry: 1y9g
SPACI score: 0.52
AEROSPACI score: 0.52

Experiment type: XRAY
Resolution: 1.87
R-factor: 0.151
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.001
WCK2 WHAT_CHECK Ramachandran: -1.746
WCK3 WHAT_CHECK Chi angles: -0.701
WCK4 WHAT_CHECK Backbone: -0.295

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).