SPACI score report for 1w5a in ASTRAL 1.73:

PDB Entry: 1w5a
SPACI score: 0.31
AEROSPACI score: 0.31

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.218
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.074
WCK2 WHAT_CHECK Ramachandran: -1.498
WCK3 WHAT_CHECK Chi angles: -1.831
WCK4 WHAT_CHECK Backbone: -6.276

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).