4tkp

X-ray diffraction
2.08Å resolution

Complex of Ubc13 with the RING domain of the TRIM5alpha retroviral restriction factor

Released:

Function and Biology Details

Reactions catalysed:
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine
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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-158209 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ubiquitin-conjugating enzyme E2 N Chain: A
Molecule details ›
Chain: A
Length: 153 amino acids
Theoretical weight: 17.18 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P61088 (Residues: 2-152; Coverage: 99%)
Gene names: BLU, UBE2N
Sequence domains: Ubiquitin-conjugating enzyme
Structure domains: Ubiquitin Conjugating Enzyme
Tripartite motif-containing protein 5 Chain: B
Molecule details ›
Chain: B
Length: 93 amino acids
Theoretical weight: 10.36 KDa
Source organism: Macaca mulatta
Expression system: Escherichia coli
UniProt:
  • Canonical: Q0PF16 (Residues: 2-92; Coverage: 18%)
Gene name: TRIM5
Sequence domains: RING-type zinc-finger
Structure domains: Zinc/RING finger domain, C3HC4 (zinc finger)

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P41212
Unit cell:
a: 78.17Å b: 78.17Å c: 82.562Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.226 0.224 0.255
Expression systems:
  • Escherichia coli BL21
  • Escherichia coli