5ulk

X-ray diffraction
2.38Å resolution

Crystal Structure of RNF165 in complex with a UbcH5b~Ub conjugate

Released:
Source organism: Homo sapiens
Entry authors: Middleton AJ, Day CL, Wright JD

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
(1a) S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [(E3-independent) E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-monoubiquitinyl-[(E3-independent) 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
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-143260 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ubiquitin-conjugating enzyme E2 D2 Chain: A
Molecule details ›
Chain: A
Length: 152 amino acids
Theoretical weight: 17.14 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P62837 (Residues: 1-147; Coverage: 100%)
Gene names: PUBC1, UBC4, UBC5B, UBCH4, UBCH5B, UBE2D2
Sequence domains: Ubiquitin-conjugating enzyme
Ubiquitin Chain: B
Molecule details ›
Chain: B
Length: 76 amino acids
Theoretical weight: 8.58 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P0CG47 (Residues: 153-228; Coverage: 33%)
Gene name: UBB
Sequence domains: Ubiquitin family
E3 ubiquitin-protein ligase ARK2C Chain: C
Molecule details ›
Chain: C
Length: 92 amino acids
Theoretical weight: 10.3 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q6ZSG1 (Residues: 255-346; Coverage: 25%)
Gene names: ARK2C, RNF165
Sequence domains: Ring finger domain
Structure domains: Zinc/RING finger domain, C3HC4 (zinc finger)

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX2
Spacegroup: C2221
Unit cell:
a: 69.109Å b: 73.714Å c: 121.559Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.21 0.206 0.267
Expression system: Escherichia coli BL21