SPACI score report for 1t9s in ASTRAL 2.07:

PDB Entry: 1t9s
SPACI score: 0.47
AEROSPACI score: 0.47

Experiment type: XRAY
Resolution: 2
R-factor: 0.177
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -0.088
WCK2 WHAT_CHECK Ramachandran: 0.95
WCK3 WHAT_CHECK Chi angles: -1.043
WCK4 WHAT_CHECK Backbone: 1.308

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).