SPACI score report for 1hb7 in ASTRAL 2.04:

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: 1hb7
SPACI score: -0.13 (not valid)
AEROSPACI score: -0.13 (not valid)

Experiment type: EM
Resolution: 14
R-factor: 0.339
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.418
WCK2 WHAT_CHECK Ramachandran: -2.284
WCK3 WHAT_CHECK Chi angles: -1.032
WCK4 WHAT_CHECK Backbone: 1.556

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).