SPACI score report for 2c86 in ASTRAL 2.07:

PDB Entry: 2c86
SPACI score: 0.13
AEROSPACI score: 0.13 (mutant; see below)

Experiment type: XRAY
Resolution: 3
R-factor: 0.269
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.921
WCK2 WHAT_CHECK Ramachandran: -3.685
WCK3 WHAT_CHECK Chi angles: -4.851
WCK4 WHAT_CHECK Backbone: -2.473

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase mutant. The full comment is: "mutant; automatically matched to 2BXX A:29-160; automated match to d2bxxb_"

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).