SPACI score report for 1s9i in ASTRAL 1.73:

PDB Entry: 1s9i
SPACI score: 0.1
AEROSPACI score: 0.1

Experiment type: XRAY
Resolution: 3.2
R-factor: 0.294
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.47
WCK2 WHAT_CHECK Ramachandran: -3.538
WCK3 WHAT_CHECK Chi angles: -5.17
WCK4 WHAT_CHECK Backbone: -5.407

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).