SPACI score report for 1g0b in ASTRAL 1.71:

PDB Entry: 1g0b
SPACI score: 0.49
AEROSPACI score: 0.49

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.178
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.762
WCK2 WHAT_CHECK Ramachandran: 0.829
WCK3 WHAT_CHECK Chi angles: -1.613
WCK4 WHAT_CHECK Backbone: -3.784

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).