SPACI score report for 1zhh in ASTRAL 2.07:

PDB Entry: 1zhh
SPACI score: 0.46
AEROSPACI score: -1.54 (disorder; see below)

Experiment type: XRAY
Resolution: 1.94
R-factor: 0.207
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.358
WCK2 WHAT_CHECK Ramachandran: -0.638
WCK3 WHAT_CHECK Chi angles: 0.228
WCK4 WHAT_CHECK Backbone: 4.044

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: "automatically matched to d1jx6a_; the second PAS-domain is partly disordered in the crystals; automated match to d1jx6a_"

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).