SPACI score report for 1t0n in ASTRAL 1.73:

PDB Entry: 1t0n
SPACI score: 0.47
AEROSPACI score: 0.47

Experiment type: XRAY
Resolution: 1.8
R-factor: 0.23
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 1.924
WCK2 WHAT_CHECK Ramachandran: 0.741
WCK3 WHAT_CHECK Chi angles: 0.841
WCK4 WHAT_CHECK Backbone: -3.276

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).