SPACI score report for 1oy5 in ASTRAL 2.08:

PDB Entry: 1oy5
SPACI score: 0.2
AEROSPACI score: -1.8 (misfolded; see below)

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.28
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.494
WCK2 WHAT_CHECK Ramachandran: -3.81
WCK3 WHAT_CHECK Chi angles: -2.385
WCK4 WHAT_CHECK Backbone: 0.719

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase misfolded. The full comment is: "a TrmD topoisomer that lacks the knot; misfolded inactive structure?"

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).