8ei0

X-ray diffraction
1.47Å resolution

Crystal structure of the STUB1 TPR domain in complex with H318, a Helicon Polypeptide

Released:

Function and Biology Details

Reaction catalysed:
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-553796 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
E3 ubiquitin-protein ligase CHIP Chain: A
Molecule details ›
Chain: A
Length: 134 amino acids
Theoretical weight: 15.35 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UNE7 (Residues: 23-154; Coverage: 44%)
Gene names: CHIP, PP1131, STUB1
Sequence domains: Anaphase-promoting complex, cyclosome, subunit 3
H318 Chain: B
Molecule details ›
Chain: B
Length: 13 amino acids
Theoretical weight: 1.4 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: C2
Unit cell:
a: 82.56Å b: 46.96Å c: 53.62Å
α: 90° β: 126.48° γ: 90°
R-values:
R R work R free
0.193 0.192 0.212
Expression systems:
  • Escherichia coli
  • Not provided