SPACI score report for 2rgi in ASTRAL 2.01:

PDB Entry: 2rgi
SPACI score: 0.58
AEROSPACI score: 0.58

Experiment type: XRAY
Resolution: 1.6
R-factor: 0.188
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.574
WCK2 WHAT_CHECK Ramachandran: -0.404
WCK3 WHAT_CHECK Chi angles: -0.471
WCK4 WHAT_CHECK Backbone: 0.26

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).