SPACI score report for 1dul in ASTRAL 2.08:

WARNING! The SPACI score for this entry is not valid. The R-factor is not available and an abitrary R-factor has been used.

PDB Entry: 1dul
SPACI score: 0.49 (not valid)
AEROSPACI score: 0.49 (not valid) (mutant; see below)

Experiment type: XRAY
Resolution: 1.8
R-factor: 0.25
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -1.6
WCK2 WHAT_CHECK Ramachandran: -0.831
WCK3 WHAT_CHECK Chi angles: 2.917
WCK4 WHAT_CHECK Backbone: 5.995

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/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).