PDB Entry: 1a9n
SPACI score: 0.26
AEROSPACI score: 0.26 (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: -1.649
WCK2 WHAT_CHECK Ramachandran: -1.876
WCK3 WHAT_CHECK Chi angles: -0.362
WCK4 WHAT_CHECK Backbone: -1.253
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: "protein/RNA complex; mutant"
Here is the full WHAT_CHECK report on this protein (linked from the WHAT_CHECK site).