SPACI score report for 1n6e in ASTRAL 2.07:

PDB Entry: 1n6e
SPACI score: 0.25
AEROSPACI score: 0.25

Experiment type: XRAY
Resolution: 2.6
R-factor: 0.254
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -0.654
WCK2 WHAT_CHECK Ramachandran: -2.619
WCK3 WHAT_CHECK Chi angles: -2.12
WCK4 WHAT_CHECK Backbone: -0.691

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).