PDBe 3b76

X-ray diffraction
1.75Å resolution

Crystal structure of the third PDZ domain of human ligand-of-numb protein-X (LNX1) in complex with the C-terminal peptide from the coxsackievirus and adenovirus receptor

Source organism: Homo sapiens
Entry authors: Ugochukwu E, Burgess-Brown N, Berridge G, Elkins J, Bunkoczi G, Pike ACW, Sundstrom M, Arrowsmith CH, Weigelt J, Edwards AM, Gileadi O, von Delft F, Doyle D, Structural Genomics Consortium (SGC)

Function and Biology Details

Reaction catalysed:
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:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
E3 ubiquitin-protein ligase LNX Chains: A, B
Molecule details ›
Chains: A, B
Length: 118 amino acids
Theoretical weight: 12.82 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q8TBB1 (Residues: 504-594; Coverage: 13%)
Gene names: LNX, LNX1, PDZRN2, UNQ574/PRO1136
Sequence domains: PDZ domain
Structure domains: Pdz3 Domain

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P212121
Unit cell:
a: 49.782Å b: 58.449Å c: 73.741Å
α: 90° β: 90° γ: 90°
R R work R free
0.177 0.175 0.205
Expression system: Escherichia coli