SPACI score report for 1sfo in ASTRAL 2.04:

PDB Entry: 1sfo
SPACI score: -0.04
AEROSPACI score: -0.04

Experiment type: XRAY
Resolution: 3.61
R-factor: 0.315
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.373
WCK2 WHAT_CHECK Ramachandran: -7.173
WCK3 WHAT_CHECK Chi angles: -6.737
WCK4 WHAT_CHECK Backbone: -4.126

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).