SPACI score report for 1v6l in ASTRAL 1.67:

PDB Entry: 1v6l
SPACI score: 0.36
AEROSPACI score: 0.36

Experiment type: XRAY
Resolution: 2.5
R-factor: 0.173
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.595
WCK2 WHAT_CHECK Ramachandran: -0.367
WCK3 WHAT_CHECK Chi angles: -1.318
WCK4 WHAT_CHECK Backbone: -4.838

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).