SPACI score report for 1r4l in ASTRAL 1.73:

PDB Entry: 1r4l
SPACI score: 0.13
AEROSPACI score: -1.87 (disorder; see below)

Experiment type: XRAY
Resolution: 3
R-factor: 0.253
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -2.681
WCK2 WHAT_CHECK Ramachandran: -6.805
WCK3 WHAT_CHECK Chi angles: -4.295
WCK4 WHAT_CHECK Backbone: -8.194

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase disorder. The full comment is: "complexed with collectrin homology domain (disordered segments), chains B, C, D and E"

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).