SPACI score report for 4j1w in ASTRAL 2.03:

PDB Entry: 4j1w
SPACI score: 0.25
AEROSPACI score: 0.25

Experiment type: XRAY
Resolution: 2.72
R-factor: 0.242
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.085
WCK2 WHAT_CHECK Ramachandran: -2.716
WCK3 WHAT_CHECK Chi angles: -2.116
WCK4 WHAT_CHECK Backbone: 2.85

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).