SPACI score report for 1rpe in ASTRAL 1.73:

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: 1rpe
SPACI score: 0.25 (not valid)
AEROSPACI score: 0.25 (not valid)

Experiment type: -
Resolution: 2.5
R-factor: 0.209
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: 2.211
WCK2 WHAT_CHECK Ramachandran: -5.044
WCK3 WHAT_CHECK Chi angles: -5.175
WCK4 WHAT_CHECK Backbone: 0.068

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).