SPACI score report for 1ewg in ASTRAL 2.08:

PDB Entry: 1ewg
SPACI score: 0.41
AEROSPACI score: 0.41 (mutant; see below)

Experiment type: XRAY
Resolution: 2
R-factor: 0.189
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.856
WCK2 WHAT_CHECK Ramachandran: -3.947
WCK3 WHAT_CHECK Chi angles: -4.206
WCK4 WHAT_CHECK Backbone: -0.563

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; automated match to d1ewda_"

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).