SPACI score report for 1fns in ASTRAL 1.55:

PDB Entry: 1fns
SPACI score: 0.48
AEROSPACI score: 0.48 (mutant; see below)

Experiment type: XRAY
Resolution: 2
R-factor: 0.172
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 1
PCK3 PROCHECK H-bonds: 2
WCK1 WHAT_CHECK Packing: 0.677
WCK2 WHAT_CHECK Ramachandran: -0.057
WCK3 WHAT_CHECK Chi angles: 0.195
WCK4 WHAT_CHECK Backbone: 0.122

The AEROSPACI score for this entry is lower than the SPACI score because human-curated comments on the entry in SCOP contain the phrase mutant. The full comment is: "mutant; part of Fab NMC-4 blocking the von willebrand factor (vwf) a1 domain function"

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).