SPACI score report for 1r5u in ASTRAL 1.69:

PDB Entry: 1r5u
SPACI score: -0.06
AEROSPACI score: -0.06

Experiment type: XRAY
Resolution: 4.5
R-factor: 0.345
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -0.178
WCK2 WHAT_CHECK Ramachandran: -5.457
WCK3 WHAT_CHECK Chi angles: -2.429
WCK4 WHAT_CHECK Backbone: -6.316

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).