SPACI score report for 2gg5 in ASTRAL 2.01:

PDB Entry: 2gg5
SPACI score: 0.37
AEROSPACI score: 0.37

Experiment type: XRAY
Resolution: 2.12
R-factor: 0.195
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 1.192
WCK2 WHAT_CHECK Ramachandran: -2.899
WCK3 WHAT_CHECK Chi angles: -4.596
WCK4 WHAT_CHECK Backbone: 0.937

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).