SPACI score report for 1ctn in ASTRAL 1.69:

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: 1ctn
SPACI score: 0.38 (not valid)
AEROSPACI score: 0.38 (not valid)

Experiment type: -
Resolution: 2.3
R-factor: 0.162
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.131
WCK2 WHAT_CHECK Ramachandran: -1.118
WCK3 WHAT_CHECK Chi angles: -1.12
WCK4 WHAT_CHECK Backbone: -6.255

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).