6qml

X-ray diffraction
2.1Å resolution

UCHL3 in complex with synthetic, K27-linked diubiquitin

Released:

Function and Biology Details

Reaction catalysed:
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-143244 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ubiquitin carboxyl-terminal hydrolase isozyme L3 Chains: A, D
Molecule details ›
Chains: A, D
Length: 227 amino acids
Theoretical weight: 25.9 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P15374 (Residues: 4-230; Coverage: 99%)
Gene name: UCHL3
Sequence domains: Ubiquitin carboxyl-terminal hydrolase, family 1
Ubiquitin Chains: B, E
Molecule details ›
Chains: B, E
Length: 76 amino acids
Theoretical weight: 8.56 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P0CG47 (Residues: 153-228; Coverage: 33%)
Gene name: UBB
Sequence domains: Ubiquitin family
Ubiquitin Chains: C, F
Molecule details ›
Chains: C, F
Length: 76 amino acids
Theoretical weight: 8.58 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P0CG48 (Residues: 609-684; Coverage: 11%)
Gene name: UBC
Sequence domains: Ubiquitin family

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE MASSIF-1
Unit cell:
a: 70.29Å b: 81.206Å c: 159.858Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.184 0.233
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided