SPACI score report for 1ao7 in ASTRAL 2.07:

WARNING! The SPACI score for this entry is not valid. The R-factor is not available and an abitrary R-factor has been used. The PROCHECK parameters for this entry could not be obtained, and poor results have been arbitrarily assumed.

PDB Entry: 1ao7
SPACI score: 0.18 (not valid)
AEROSPACI score: -1.82 (not valid) (disorder; see below)

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.25
PCK1 PROCHECK Ramachandran: N/A
PCK2 PROCHECK Chi-1 angle: N/A
WCK1 WHAT_CHECK Packing: -1.319
WCK2 WHAT_CHECK Ramachandran: -3.198
WCK3 WHAT_CHECK Chi angles: -3.195
WCK4 WHAT_CHECK Backbone: 2.347

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase disorder. The full comment is: "C-domain not seen in the crystal structure, due to disorder"

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).