SPACI score report for 1ak5 in ASTRAL 2.08:

PDB Entry: 1ak5
SPACI score: 0.34
AEROSPACI score: -1.66 (disorder; see below)

Experiment type: XRAY
Resolution: 2.3
R-factor: 0.218
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.317
WCK2 WHAT_CHECK Ramachandran: -0.837
WCK3 WHAT_CHECK Chi angles: -1.488
WCK4 WHAT_CHECK Backbone: 0.325

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: "there two CBS domains in the diordered region 102-221; there two CBS domains in the disordered region 102-221"

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).