SPACI score report for 1jcn in ASTRAL 1.67:

PDB Entry: 1jcn
SPACI score: 0.27
AEROSPACI score: -1.73 (disorder; see below)

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.238
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.034
WCK2 WHAT_CHECK Ramachandran: -2.248
WCK3 WHAT_CHECK Chi angles: -1.59
WCK4 WHAT_CHECK Backbone: -4.868

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase disorder. The full comment is: "contains two CBS domains inserted into the common fold, residues 111-231; both CBS domains are partly disordered in both chains, A and B; both CBS motifs are partly disordered in both chains, A and B"

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).