SPACI score report for 1b7g in ASTRAL 1.57:

PDB Entry: 1b7g
SPACI score: 0.39
AEROSPACI score: 0.39

Experiment type: XRAY
Resolution: 2.05
R-factor: 0.226
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.189
WCK2 WHAT_CHECK Ramachandran: -1.021
WCK3 WHAT_CHECK Chi angles: -0.28
WCK4 WHAT_CHECK Backbone: -0.617

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).