SPACI score report for 4G83 in ASTRAL 2.04:

PDB Entry: 4G83
SPACI score: 0.1
AEROSPACI score: 0.1

Experiment type: XRAY
Resolution: 4
R-factor: 0.244
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.64
WCK2 WHAT_CHECK Ramachandran: -0.45
WCK3 WHAT_CHECK Chi angles: -3.848
WCK4 WHAT_CHECK Backbone: 1.029

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).