SPACI score report for 3gpd in ASTRAL 2.02:

PDB Entry: 3gpd
SPACI score: -0.08
AEROSPACI score: -0.08

Experiment type: XRAY
Resolution: 3.5
R-factor: 0.33
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -4.347
WCK2 WHAT_CHECK Ramachandran: -6.999
WCK3 WHAT_CHECK Chi angles: -8.013
WCK4 WHAT_CHECK Backbone: -7.584

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).