SPACI score report for 1yen in ASTRAL 1.73:

PDB Entry: 1yen
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.184
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.311
WCK2 WHAT_CHECK Ramachandran: -4.57
WCK3 WHAT_CHECK Chi angles: -3.621
WCK4 WHAT_CHECK Backbone: -5.176

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).