SPACI score report for 1yiv in ASTRAL 2.06:

PDB Entry: 1yiv
SPACI score: 0.43
AEROSPACI score: 0.43

Experiment type: XRAY
Resolution: 2.1
R-factor: 0.188
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.299
WCK2 WHAT_CHECK Ramachandran: 1.106
WCK3 WHAT_CHECK Chi angles: -0.989
WCK4 WHAT_CHECK Backbone: 0.221

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).