4wth

X-ray diffraction
2.25Å resolution

Ataxin-3 Carboxy Terminal Region - Crystal C2 (triclinic)

Released:

Function and Biology Details

Reaction catalysed:
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-142543 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Ataxin-3; Maltose/maltodextrin-binding periplasmic protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 441 amino acids
Theoretical weight: 48.58 KDa
Source organisms: Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AEX9 (Residues: 27-392; Coverage: 99%)
  • Canonical: P54252 (Residues: 278-329; Coverage: 14%)
Gene names: ATX3, ATXN3, JW3994, MJD, MJD1, SCA3, b4034, malE
Sequence domains:

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P1
Unit cell:
a: 49.096Å b: 59.786Å c: 77.79Å
α: 90° β: 89.99° γ: 87.5°
R-values:
R R work R free
0.204 0.202 0.25
Expression system: Escherichia coli BL21(DE3)