SPACI score report for 1i5k in ASTRAL 1.57:

PDB Entry: 1i5k
SPACI score: 0.26
AEROSPACI score: 0.26 (mutant; see below)

Experiment type: XRAY
Resolution: 2.7
R-factor: 0.195
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 3
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.721
WCK2 WHAT_CHECK Ramachandran: -1.771
WCK3 WHAT_CHECK Chi angles: -2.162
WCK4 WHAT_CHECK Backbone: -0.795

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase mutant. The full comment is: "kringle 2; comlpexed to an internal peptide from a group A streptococcal surface protein; mutant; kringle 2; complexed to an internal peptide from a group A streptococcal surface protein"

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).