SPACI score report for 1w8f in ASTRAL 2.07:

PDB Entry: 1w8f
SPACI score: 0.99
AEROSPACI score: 0.99

Experiment type: XRAY
Resolution: 1.05
R-factor: 0.106
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.662
WCK2 WHAT_CHECK Ramachandran: -0.8
WCK3 WHAT_CHECK Chi angles: -1.202
WCK4 WHAT_CHECK Backbone: 3.71

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).