3lbk

X-ray diffraction
2.3Å resolution

Structure of human MDM2 protein in complex with a small molecule inhibitor

Released:

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
Cellular component:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
E3 ubiquitin-protein ligase Mdm2 Chain: A
Molecule details ›
Chain: A
Length: 95 amino acids
Theoretical weight: 11.16 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q00987 (Residues: 18-111; Coverage: 19%)
  • Best match: Q00987-8 (Residues: 1-50)
Gene name: MDM2
Sequence domains: SWIB/MDM2 domain
Structure domains: SWIB/MDM2 domain

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P4122
Unit cell:
a: 60.46Å b: 60.46Å c: 48.05Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.21 0.207 0.251
Expression system: Escherichia coli