SPACI score report for 1jrk in ASTRAL 1.63:

WARNING! The SPACI score for this entry is not valid. The WHAT_CHECK parameters for this entry could not be obtained, and poor results have been arbitrarily assumed.

PDB Entry: 1jrk
SPACI score: 0.29 (not valid)
AEROSPACI score: 0.29 (not valid) (mutant; see below)

Experiment type: XRAY
Resolution: 2.4
R-factor: 0.19
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: N/A
WCK2 WHAT_CHECK Ramachandran: N/A
WCK3 WHAT_CHECK Chi angles: N/A
WCK4 WHAT_CHECK Backbone: N/A

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: "structural genomics protein; complexed with mpd; mutant; structural genomics"

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).