SPACI score report for 3l4m in ASTRAL 2.04:

PDB Entry: 3l4m
SPACI score: 0.48
AEROSPACI score: 0.48

Experiment type: XRAY
Resolution: 2.02
R-factor: 0.138
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.317
WCK2 WHAT_CHECK Ramachandran: -0.753
WCK3 WHAT_CHECK Chi angles: -0.747
WCK4 WHAT_CHECK Backbone: 1.717

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).