SPACI score report for 1yfy in ASTRAL 2.07:

PDB Entry: 1yfy
SPACI score: 0.13
AEROSPACI score: 0.13

Experiment type: XRAY
Resolution: 3.2
R-factor: 0.249
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.03
WCK2 WHAT_CHECK Ramachandran: -5.437
WCK3 WHAT_CHECK Chi angles: -3.513
WCK4 WHAT_CHECK Backbone: 0.463

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).