SPACI score report for 1mow in ASTRAL 1.71:

PDB Entry: 1mow
SPACI score: 0.29
AEROSPACI score: -1.71 (chimer; see below)

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.231
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -3.825
WCK2 WHAT_CHECK Ramachandran: -3.116
WCK3 WHAT_CHECK Chi angles: -0.496
WCK4 WHAT_CHECK Backbone: -5.957

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase chimer. The full comment is: "chimera with the I-dmoI N-domain; chimera of N-domain with I-CreI"

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).