SPACI score report for 2aci in ASTRAL 1.73:

PDB Entry: 2aci
SPACI score: 0.3
AEROSPACI score: 0.3 (mutant; see below)

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.198
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.713
WCK2 WHAT_CHECK Ramachandran: -4.301
WCK3 WHAT_CHECK Chi angles: -2.888
WCK4 WHAT_CHECK Backbone: -6.144

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; automatically matched to 2ACI A:6-417; automated match to d1rxxb_"

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).