SPACI score report for 3e6r in ASTRAL 2.01:

PDB Entry: 3e6r
SPACI score: 0.39
AEROSPACI score: 0.39

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.195
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: 0.446
WCK2 WHAT_CHECK Ramachandran: 0.734
WCK3 WHAT_CHECK Chi angles: -1.418
WCK4 WHAT_CHECK Backbone: 1.848

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).