SPACI score report for 1u3h in ASTRAL 2.08:

WARNING! The SPACI score for this entry is not valid. The R-factor is not available and an abitrary R-factor has been used. The PROCHECK parameters for this entry could not be obtained, and poor results have been arbitrarily assumed.

PDB Entry: 1u3h
SPACI score: 0.21 (not valid)
AEROSPACI score: 0.21 (not valid) (mutant; see below)

Experiment type: XRAY
Resolution: 2.42
R-factor: 0.25
PCK1 PROCHECK Ramachandran: N/A
PCK2 PROCHECK Chi-1 angle: N/A
WCK1 WHAT_CHECK Packing: -1.014
WCK2 WHAT_CHECK Ramachandran: -3.85
WCK3 WHAT_CHECK Chi angles: -2.513
WCK4 WHAT_CHECK Backbone: 1.857

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; automatically matched to d1f3jb1; automatically matched to d1f3jb2; automatically matched to 1U3H B:3-117; automatically matched to d1k2da1; automatically matched to d1k2da2; automatically matched to 1U3H A:2-116; automated match to d1k2db1; automated match to d1k2db2; automated match to d1u3ha1; automated match to d1u3hb1; automated match to d2p24a2; automated match to d2p24a1"

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).