SPACI score report for 1ld9 in ASTRAL 2.08:

PDB Entry: 1ld9
SPACI score: 0.27
AEROSPACI score: 0.27

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.186
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -3.054
WCK2 WHAT_CHECK Ramachandran: -5.372
WCK3 WHAT_CHECK Chi angles: -6.395
WCK4 WHAT_CHECK Backbone: -2.983

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).