SPACI score report for 1brt in ASTRAL 2.08:

PDB Entry: 1brt
SPACI score: 0.67
AEROSPACI score: 0.67

Experiment type: XRAY
Resolution: 1.5
R-factor: 0.14
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.018
WCK2 WHAT_CHECK Ramachandran: -1.049
WCK3 WHAT_CHECK Chi angles: 0.785
WCK4 WHAT_CHECK Backbone: -0.975

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).