SPACI score report for 1bg5 in ASTRAL 2.06:

PDB Entry: 1bg5
SPACI score: 0.17
AEROSPACI score: 0.17

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.193
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -4.225
WCK2 WHAT_CHECK Ramachandran: -7.342
WCK3 WHAT_CHECK Chi angles: -7.172
WCK4 WHAT_CHECK Backbone: -5.034

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).