SPACI score report for 1ntk in ASTRAL 1.67:

PDB Entry: 1ntk
SPACI score: 0.23
AEROSPACI score: 0.23

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.234
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.196
WCK2 WHAT_CHECK Ramachandran: -3.842
WCK3 WHAT_CHECK Chi angles: -3.765
WCK4 WHAT_CHECK Backbone: -6.654

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).