SPACI score report for 2jf4 in ASTRAL 1.75:

PDB Entry: 2jf4
SPACI score: 0.51
AEROSPACI score: 0.51

Experiment type: XRAY
Resolution: 2.2
R-factor: 0.166
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.254
WCK2 WHAT_CHECK Ramachandran: -0.488
WCK3 WHAT_CHECK Chi angles: -0.671
WCK4 WHAT_CHECK Backbone: -0.344

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).