SPACI score report for 2aw4 in ASTRAL 2.01:

PDB Entry: 2aw4
SPACI score: -0.01
AEROSPACI score: -0.01

Experiment type: XRAY
Resolution: 3.46
R-factor: 0.279
PCK1 PROCHECK Ramachandran: 4
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -6.295
WCK2 WHAT_CHECK Ramachandran: -8.105
WCK3 WHAT_CHECK Chi angles: -6.727
WCK4 WHAT_CHECK Backbone: -8.48

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).