SPACI score report for 2onl in ASTRAL 1.75:

PDB Entry: 2onl
SPACI score: -0.03
AEROSPACI score: -0.03

Experiment type: XRAY
Resolution: 4
R-factor: 0.315
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.642
WCK2 WHAT_CHECK Ramachandran: -5.646
WCK3 WHAT_CHECK Chi angles: -6.242
WCK4 WHAT_CHECK Backbone: -0.999

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).