PDBe 2etl

X-ray diffraction
2.4Å resolution

Crystal Structure of Ubiquitin Carboxy-terminal Hydrolase L1 (UCH-L1)


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).

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo tetramer
Entry contents:
1 distinct polypeptide molecule
Ubiquitin carboxyl-terminal hydrolase isozyme L1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 228 amino acids
Theoretical weight: 25.27 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P09936 (Residues: 1-223; Coverage: 100%)
Gene name: UCHL1
Sequence domains: Ubiquitin carboxyl-terminal hydrolase, family 1
Structure domains: Peptidase C12, ubiquitin carboxyl-terminal hydrolase

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-1
Spacegroup: P4212
Unit cell:
a: 110.097Å b: 110.097Å c: 79.489Å
α: 90° β: 90° γ: 90°
R R work R free
0.227 0.223 0.274
Expression system: Escherichia coli