SPACI score report for 1vsc in ASTRAL 1.57:

PDB Entry: 1vsc
SPACI score: 0.43
AEROSPACI score: 0.43 (mutant; see below)

Experiment type: XRAY
Resolution: 1.9
R-factor: 0.204
PCK1 PROCHECK Ramachandran: 1
PCK2 PROCHECK Chi-1 angle: 2
PCK3 PROCHECK H-bonds: 3
WCK1 WHAT_CHECK Packing: -1.201
WCK2 WHAT_CHECK Ramachandran: -1.055
WCK3 WHAT_CHECK Chi angles: -1.993
WCK4 WHAT_CHECK Backbone: 0.324

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; D2; D1"

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).