SPACI score report for 2gpo in ASTRAL 2.01:

PDB Entry: 2gpo
SPACI score: 0.5
AEROSPACI score: 0.5

Experiment type: XRAY
Resolution: 1.95
R-factor: 0.182
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.049
WCK2 WHAT_CHECK Ramachandran: 1.435
WCK3 WHAT_CHECK Chi angles: 1.406
WCK4 WHAT_CHECK Backbone: 0.887

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).