SPACI score report for 2gg2 in ASTRAL 2.07:

PDB Entry: 2gg2
SPACI score: 1.04
AEROSPACI score: 1.04

Experiment type: XRAY
Resolution: 1
R-factor: 0.136
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 2.185
WCK2 WHAT_CHECK Ramachandran: 1.344
WCK3 WHAT_CHECK Chi angles: 1.578
WCK4 WHAT_CHECK Backbone: 1.466

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).