SPACI score report for 1hw0 in ASTRAL 1.55:

WARNING! The SPACI score for this entry is not valid. This is not an X-ray structure, so the resolution and R-factor listed may be arbitrary and not valid.

PDB Entry: 1hw0
SPACI score: -0.1 (not valid)
AEROSPACI score: -0.1 (not valid)

Experiment type: EDIF
Resolution: 3.7
R-factor: 0.358
PCK1 PROCHECK Ramachandran: 3
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -7.245
WCK2 WHAT_CHECK Ramachandran: -6.565
WCK3 WHAT_CHECK Chi angles: -5.174
WCK4 WHAT_CHECK Backbone: -7.13

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).