SPACI score report for 1a8m in ASTRAL 2.08:

PDB Entry: 1a8m
SPACI score: 0.26
AEROSPACI score: 0.26 (mutant; see below)

Experiment type: XRAY
Resolution: 2.3
R-factor: 0.218
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.826
WCK2 WHAT_CHECK Ramachandran: -5.35
WCK3 WHAT_CHECK Chi angles: -5.83
WCK4 WHAT_CHECK Backbone: -3.215

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"

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).