SPACI score report for 1j99 in ASTRAL 2.07:

PDB Entry: 1j99
SPACI score: 0.41
AEROSPACI score: 0.41

Experiment type: XRAY
Resolution: 1.99
R-factor: 0.231
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 1
WCK1 WHAT_CHECK Packing: -2.183
WCK2 WHAT_CHECK Ramachandran: -1.252
WCK3 WHAT_CHECK Chi angles: -1.151
WCK4 WHAT_CHECK Backbone: -0.806

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).