SPACI score report for 2yxf in ASTRAL 2.02:

PDB Entry: 2yxf
SPACI score: 0.86
AEROSPACI score: 0.86

Experiment type: XRAY
Resolution: 1.13
R-factor: 0.184
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.15
WCK2 WHAT_CHECK Ramachandran: 1.178
WCK3 WHAT_CHECK Chi angles: 1.159
WCK4 WHAT_CHECK Backbone: 1.691

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).