SPACI score report for 3niu in ASTRAL 2.07:

PDB Entry: 3niu
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.94
R-factor: 0.201
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.662
WCK2 WHAT_CHECK Ramachandran: -1.878
WCK3 WHAT_CHECK Chi angles: -1.474
WCK4 WHAT_CHECK Backbone: -0.747

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).