SPACI score report for 1xg0 in ASTRAL 1.75:

PDB Entry: 1xg0
SPACI score: 1.17
AEROSPACI score: 1.17

Experiment type: XRAY
Resolution: 0.97
R-factor: 0.107
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.517
WCK2 WHAT_CHECK Ramachandran: 0.429
WCK3 WHAT_CHECK Chi angles: -0.293
WCK4 WHAT_CHECK Backbone: 0.856

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).