SPACI score report for 2gfa in ASTRAL 1.73:

PDB Entry: 2gfa
SPACI score: 0.4
AEROSPACI score: 0.4

Experiment type: XRAY
Resolution: 2.1
R-factor: 0.224
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 2.009
WCK2 WHAT_CHECK Ramachandran: -0.166
WCK3 WHAT_CHECK Chi angles: 0.109
WCK4 WHAT_CHECK Backbone: -0.298

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).