SPACI score report for 1dwn in ASTRAL 1.57:

PDB Entry: 1dwn
SPACI score: 0.11
AEROSPACI score: 0.11

Experiment type: XRAY
Resolution: 3.5
R-factor: 0.288
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.531
WCK2 WHAT_CHECK Ramachandran: -3.778
WCK3 WHAT_CHECK Chi angles: -2.314
WCK4 WHAT_CHECK Backbone: 0.033

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).