2esq

X-ray diffraction
1.44Å resolution

Human Ubiquitin-Conjugating Enzyme (E2) UbcH5b mutant Ser94Gly

Released:
Source organism: Homo sapiens

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
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-158730 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ubiquitin-conjugating enzyme E2 D2 Chain: A
Molecule details ›
Chain: A
Length: 149 amino acids
Theoretical weight: 16.85 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P62837 (Residues: 1-147; Coverage: 100%)
Gene names: PUBC1, UBC4, UBC5B, UBCH4, UBCH5B, UBE2D2
Sequence domains: Ubiquitin-conjugating enzyme
Structure domains: Ubiquitin Conjugating Enzyme

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 47.514Å b: 49.295Å c: 62.617Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.175 0.173 0.205
Expression system: Escherichia coli BL21(DE3)