SPACI score report for 2w1l in ASTRAL 2.06:

PDB Entry: 2w1l
SPACI score: 0.63
AEROSPACI score: 0.63

Experiment type: XRAY
Resolution: 1.51
R-factor: 0.18433
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.364
WCK2 WHAT_CHECK Ramachandran: -0.208
WCK3 WHAT_CHECK Chi angles: 0.19
WCK4 WHAT_CHECK Backbone: 0.237

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).