PDB Entry: 1tby
SPACI score: 0.6
AEROSPACI score: 0.6 (mutant; see below)
Experiment type: XRAY
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.99
WCK2 WHAT_CHECK Ramachandran: -1.016
WCK3 WHAT_CHECK Chi angles: -0.61
WCK4 WHAT_CHECK Backbone: 0.079
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: "mutant"
Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).