SPACI score report for 3hx7 in ASTRAL 2.07:

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

PDB Entry: 3hx7
SPACI score: 0.16 (not valid)
AEROSPACI score: -1.84 (not valid) (mutant; see below)

Experiment type: XRAY
Resolution: 2.85
R-factor: 0.249
PCK1 PROCHECK Ramachandran: N/A
PCK2 PROCHECK Chi-1 angle: N/A
PCK3 PROCHECK H-bonds: N/A
WCK1 WHAT_CHECK Packing: 0.748
WCK2 WHAT_CHECK Ramachandran: -2.073
WCK3 WHAT_CHECK Chi angles: -2.33
WCK4 WHAT_CHECK Backbone: 5.019

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: "automated match to d2fg4a_; complexed with ca; mutant"

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).