SPACI score report for 1wat in ASTRAL 2.07:

PDB Entry: 1wat
SPACI score: 0.22
AEROSPACI score: 0.22

Experiment type: XRAY
Resolution: 3
R-factor: 0.192
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.652
WCK2 WHAT_CHECK Ramachandran: -5.92
WCK3 WHAT_CHECK Chi angles: -5.794
WCK4 WHAT_CHECK Backbone: -2.649

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).