Structural Classification of Proteins and ASTRAL release 1.75B (January 2013)
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SPACI score report for 3du3 in ASTRAL 1.75B:

PDB Entry: 3du3
SPACI score: 0.28
AEROSPACI score: 0.28

Experiment type: XRAY
Resolution: 2.8
R-factor: 0.191
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.453
WCK2 WHAT_CHECK Ramachandran: -2.573
WCK3 WHAT_CHECK Chi angles: -2.578
WCK4 WHAT_CHECK Backbone: 2.715

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).

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scop@mrc-lmb.cam.ac.uk and astral@compbio.berkeley.edu