SPACI score report for 2iy0 in ASTRAL 2.07:

WARNING! The SPACI score for this entry is not valid. The R-factor is not available and an abitrary R-factor has been used. The PROCHECK parameters for this entry could not be obtained, and poor results have been arbitrarily assumed.

PDB Entry: 2iy0
SPACI score: 0.16 (not valid)
AEROSPACI score: 0.16 (not valid) (mutant; see below)

Experiment type: XRAY
Resolution: 2.77
R-factor: 0.25
PCK1 PROCHECK Ramachandran: N/A
PCK2 PROCHECK Chi-1 angle: N/A
WCK1 WHAT_CHECK Packing: -1.433
WCK2 WHAT_CHECK Ramachandran: -2.745
WCK3 WHAT_CHECK Chi angles: -2.791
WCK4 WHAT_CHECK Backbone: 3.325

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOPe contain the phrase mutant. The full comment is: "mutant; automatically matched to d1tgzb_; automated match to d2ckhb1"

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).