PDB Entry: 1fzr
SPACI score: 0.42
AEROSPACI score: 0.42 (mutant; see below)
Experiment type: XRAY
Resolution: 2.1
R-factor: 0.198
PCK1 PROCHECK Ramachandran:  1
PCK2 PROCHECK Chi-1 angle:  2
PCK3 PROCHECK H-bonds:  2
WCK1 WHAT_CHECK Packing:  -0.414
WCK2 WHAT_CHECK Ramachandran:  1.096
WCK3 WHAT_CHECK Chi angles:  0.897
WCK4 WHAT_CHECK Backbone:  1.602
The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase mutant. The full comment is: "CASP4; mutant"
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).