SPACI score report for 3bta in ASTRAL 2.08:

PDB Entry: 3bta
SPACI score: 0.16
AEROSPACI score: 0.16

Experiment type: XRAY
Resolution: 3.2
R-factor: 0.22
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.738
WCK2 WHAT_CHECK Ramachandran: -5.511
WCK3 WHAT_CHECK Chi angles: -3.185
WCK4 WHAT_CHECK Backbone: -1.533

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).