SPACI score report for 1hk7 in ASTRAL 1.71:

PDB Entry: 1hk7
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.24
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.557
WCK2 WHAT_CHECK Ramachandran: -2.972
WCK3 WHAT_CHECK Chi angles: -1.78
WCK4 WHAT_CHECK Backbone: -4.975

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).