SPACI score report for 1fbb in ASTRAL 1.61:

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: 1fbb
SPACI score: 0.16 (not valid)
AEROSPACI score: 0.16 (not valid)

Experiment type: EDIF
Resolution: 3.2
R-factor: 0.239
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.038
WCK2 WHAT_CHECK Ramachandran: -6.107
WCK3 WHAT_CHECK Chi angles: -2.741
WCK4 WHAT_CHECK Backbone: -0.523

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).