SPACI score report for 1du0 in ASTRAL 2.08:

PDB Entry: 1du0
SPACI score: 0.43
AEROSPACI score: 0.43 (mutant; see below)

Experiment type: XRAY
Resolution: 2
R-factor: 0.234
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.898
WCK2 WHAT_CHECK Ramachandran: -1.123
WCK3 WHAT_CHECK Chi angles: 0.651
WCK4 WHAT_CHECK Backbone: 1.812

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: "protein/DNA complex; 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).