SPACI score report for 1t39 in ASTRAL 2.07:

PDB Entry: 1t39
SPACI score: 0.08
AEROSPACI score: 0.08

Experiment type: XRAY
Resolution: 3.3
R-factor: 0.296
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.237
WCK2 WHAT_CHECK Ramachandran: -6.784
WCK3 WHAT_CHECK Chi angles: -4.346
WCK4 WHAT_CHECK Backbone: -1.547

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).