SPACI score report for 2d3o in ASTRAL 2.02:

PDB Entry: 2d3o
SPACI score: 0.03
AEROSPACI score: 0.03

Experiment type: XRAY
Resolution: 3.35
R-factor: 0.299
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -4.732
WCK2 WHAT_CHECK Ramachandran: -6.545
WCK3 WHAT_CHECK Chi angles: -5.427
WCK4 WHAT_CHECK Backbone: -2.892

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).