SPACI score report for 3u2j in ASTRAL 2.07:

WARNING! The SPACI score for this entry is not valid. This is not an X-ray structure, so the resolution and R-factor listed may be arbitrary and not valid.

PDB Entry: 3u2j
SPACI score: 0.38 (not valid)
AEROSPACI score: 0.38 (not valid)

Experiment type: NEUT
Resolution: 2
R-factor: 0.234
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 2.126
WCK2 WHAT_CHECK Ramachandran: -1.629
WCK3 WHAT_CHECK Chi angles: -0.9
WCK4 WHAT_CHECK Backbone: 3.403

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).