SPACI score report for 1tda in ASTRAL 2.05:

PDB Entry: 1tda
SPACI score: 0.24
AEROSPACI score: 0.24

Experiment type: XRAY
Resolution: 3.09
R-factor: 0.16
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.593
WCK2 WHAT_CHECK Ramachandran: -5.561
WCK3 WHAT_CHECK Chi angles: -4.879
WCK4 WHAT_CHECK Backbone: -1.701

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).