SPACI score report for 2h64 in ASTRAL 2.06:

PDB Entry: 2h64
SPACI score: 0.43
AEROSPACI score: 0.43 (mutant; see below)

Experiment type: XRAY
Resolution: 1.92
R-factor: 0.228
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -2.76
WCK2 WHAT_CHECK Ramachandran: -1.358
WCK3 WHAT_CHECK Chi angles: -1.583
WCK4 WHAT_CHECK Backbone: -0.891

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 d1s4yc_; automatically matched to d1es7d_; automated match to d1nysa_; automated match to d3qb4d_"

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).