SPACI score report for 2tdx in ASTRAL 2.08:

PDB Entry: 2tdx
SPACI score: 0.26
AEROSPACI score: 0.26

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.246
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.816
WCK2 WHAT_CHECK Ramachandran: -4.149
WCK3 WHAT_CHECK Chi angles: -5.261
WCK4 WHAT_CHECK Backbone: 0.734

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).