SPACI score report for 1muf in ASTRAL 1.69:

PDB Entry: 1muf
SPACI score: 0.32
AEROSPACI score: -1.68 (truncat; see below)

Experiment type: XRAY
Resolution: 2.26
R-factor: 0.229
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: -1.869
WCK2 WHAT_CHECK Ramachandran: -1.715
WCK3 WHAT_CHECK Chi angles: -1.773
WCK4 WHAT_CHECK Backbone: -4.844

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase truncat. The full comment is: "truncated from N-terminus"

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).