SPACI score report for 1uz6 in ASTRAL 2.05:

PDB Entry: 1uz6
SPACI score: 0.41
AEROSPACI score: -1.59 (chimer; see below)

Experiment type: XRAY
Resolution: 2.05
R-factor: 0.198
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.342
WCK2 WHAT_CHECK Ramachandran: -1.328
WCK3 WHAT_CHECK Chi angles: -2.419
WCK4 WHAT_CHECK Backbone: 2.54

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase chimer. The full comment is: "MQ P03976 P01837 #; natural chimera; MQ P01811 P22436 #; MQ P03976 P01837 # ! natural chimera; MQ P01811 P22436 # ! natural chimera"

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).