SPACI score report for 2wwz in ASTRAL 2.03:

PDB Entry: 2wwz
SPACI score: 0.69
AEROSPACI score: 0.69

Experiment type: XRAY
Resolution: 1.4
R-factor: 0.1792
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.3
WCK2 WHAT_CHECK Ramachandran: 0.595
WCK3 WHAT_CHECK Chi angles: 1.112
WCK4 WHAT_CHECK Backbone: 4.041

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).