2lxp

Solution NMR

NMR structure of two domains in ubiquitin ligase gp78, RING and G2BR, bound to its conjugating enzyme Ube2g

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
[E2 ubiquitin-conjugating enzyme]-S-ubiquitinyl-L-cysteine + [acceptor protein]-L-cysteine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-S-ubiquitinyl-L-cysteine

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-158053 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ubiquitin-conjugating enzyme E2 G2 Chain: A
Molecule details ›
Chain: A
Length: 164 amino acids
Theoretical weight: 18.45 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P60604 (Residues: 2-165; Coverage: 99%)
Gene names: UBC7, UBE2G2
Sequence domains: Ubiquitin-conjugating enzyme
Structure domains: Ubiquitin Conjugating Enzyme
E3 ubiquitin-protein ligase AMFR Chain: B
Molecule details ›
Chain: B
Length: 27 amino acids
Theoretical weight: 3.37 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UKV5 (Residues: 574-600; Coverage: 4%)
Gene names: AMFR, RNF45
Sequence domains: E3 gp78 Ube2g2-binding region (G2BR)
E3 ubiquitin-protein ligase AMFR Chain: C
Molecule details ›
Chain: C
Length: 58 amino acids
Theoretical weight: 6.47 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9UKV5 (Residues: 327-384; Coverage: 9%)
Gene names: AMFR, RNF45
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
Chemical shift assignment: 3%
Refinement method: simulated annealing
Expression system: Escherichia coli