SPACI score report for 2tdx in ASTRAL 1.55:

PDB Entry: 2tdx
SPACI score: 0.27
AEROSPACI score: 0.27

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: -0.13
WCK2 WHAT_CHECK Ramachandran: -2.967
WCK3 WHAT_CHECK Chi angles: -3.286
WCK4 WHAT_CHECK Backbone: 0.134

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).