SPACI score report for 1dul in ASTRAL 1.71:

PDB Entry: 1dul
SPACI score: 0.53
AEROSPACI score: 0.53 (mutant; see below)

Experiment type: XRAY
Resolution: 1.8
R-factor: 0.199
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.728
WCK2 WHAT_CHECK Ramachandran: 0.002
WCK3 WHAT_CHECK Chi angles: 2.324
WCK4 WHAT_CHECK Backbone: -0.814

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase mutant. The full comment is: "protein/RNA complex; complexed with ccc, k, mg; 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).