SPACI score report for 1aoi in ASTRAL 2.06:

PDB Entry: 1aoi
SPACI score: 0.25
AEROSPACI score: 0.25 (mutant; see below)

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.224
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.301
WCK2 WHAT_CHECK Ramachandran: -3.037
WCK3 WHAT_CHECK Chi angles: -2.282
WCK4 WHAT_CHECK Backbone: 0.367

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase mutant. The full comment is: "protein/DNA complex; complexed with mn; mutant"

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).