SPACI score report for 1wtl in ASTRAL 2.04:

PDB Entry: 1wtl
SPACI score: 0.45
AEROSPACI score: 0.45

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.157
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 0.705
WCK2 WHAT_CHECK Ramachandran: -0.271
WCK3 WHAT_CHECK Chi angles: -4.067
WCK4 WHAT_CHECK Backbone: -0.195

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).