SPACI score report for 1br4 in ASTRAL 1.75:

PDB Entry: 1br4
SPACI score: -0.04
AEROSPACI score: -0.04

Experiment type: XRAY
Resolution: 3.62
R-factor: 0.277
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.075
WCK2 WHAT_CHECK Ramachandran: -5.834
WCK3 WHAT_CHECK Chi angles: -7.431
WCK4 WHAT_CHECK Backbone: -1.687

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).