SPACI score report for 1b7t in ASTRAL 2.08:

PDB Entry: 1b7t
SPACI score: 0.25
AEROSPACI score: 0.25

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.224
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.098
WCK2 WHAT_CHECK Ramachandran: -5.932
WCK3 WHAT_CHECK Chi angles: -5.524
WCK4 WHAT_CHECK Backbone: -0.073

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).