SPACI score report for 1py4 in ASTRAL 2.02:

PDB Entry: 1py4
SPACI score: 0.11
AEROSPACI score: 0.11 (mutant; see below)

Experiment type: XRAY
Resolution: 2.9
R-factor: 0.241
PCK1 PROCHECK Ramachandran: 2
PCK2 PROCHECK Chi-1 angle: 4
PCK3 PROCHECK H-bonds: 4
WCK1 WHAT_CHECK Packing: -1.485
WCK2 WHAT_CHECK Ramachandran: -4.609
WCK3 WHAT_CHECK Chi angles: -6.448
WCK4 WHAT_CHECK Backbone: -1.882

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"

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).