SPACI score report for 1hi6 in ASTRAL 1.65:

PDB Entry: 1hi6
SPACI score: 0.22
AEROSPACI score: 0.22

Experiment type: XRAY
Resolution: 2.55
R-factor: 0.284
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 0.574
WCK2 WHAT_CHECK Ramachandran: -1.329
WCK3 WHAT_CHECK Chi angles: -1.257
WCK4 WHAT_CHECK Backbone: -0.137

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).