PDB Entry: 1tud
SPACI score: 0.54
AEROSPACI score: -1.46 (permut; see below)
Experiment type: XRAY
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 1.887
WCK2 WHAT_CHECK Ramachandran: -0.21
WCK3 WHAT_CHECK Chi angles: 2.146
WCK4 WHAT_CHECK Backbone: 0.742
The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase permut. The full comment is: "circular permutant"
Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).