SPACI score report for 1t13 in ASTRAL 2.07:

PDB Entry: 1t13
SPACI score: 0.23
AEROSPACI score: 0.23

Experiment type: XRAY
Resolution: 2.9
R-factor: 0.217
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -0.242
WCK2 WHAT_CHECK Ramachandran: -3.987
WCK3 WHAT_CHECK Chi angles: -2.527
WCK4 WHAT_CHECK Backbone: 3.958

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).