SPACI score report for 2g4h in ASTRAL 2.06:

PDB Entry: 2g4h
SPACI score: 0.48
AEROSPACI score: 0.48

Experiment type: XRAY
Resolution: 2
R-factor: 0.196
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.88
WCK2 WHAT_CHECK Ramachandran: -1.183
WCK3 WHAT_CHECK Chi angles: 0.804
WCK4 WHAT_CHECK Backbone: 4.996

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).