SPACI score report for 1mh4 in ASTRAL 2.06:

PDB Entry: 1mh4
SPACI score: 0.31
AEROSPACI score: -1.69 (mutant; see below)

Experiment type: XRAY
Resolution: 2.3
R-factor: 0.243
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.426
WCK2 WHAT_CHECK Ramachandran: -1.239
WCK3 WHAT_CHECK Chi angles: -1.389
WCK4 WHAT_CHECK Backbone: -0.243

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: "chimera with maltose-binding protein; mutant; chimera with yeast a1 homeodomain"

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).