3eqs

X-ray diffraction
1.65Å resolution

Crystal structure of human MDM2 in complex with a 12-mer peptide inhibitor

Released:
Source organism: Homo sapiens

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:
hetero tetramer
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
E3 ubiquitin-protein ligase Mdm2 Chain: A
Molecule details ›
Chain: A
Length: 85 amino acids
Theoretical weight: 10.04 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q00987 (Residues: 25-109; Coverage: 17%)
Gene name: MDM2
Sequence domains: SWIB/MDM2 domain
Structure domains: SWIB/MDM2 domain
12-mer peptide inhibitor Chain: B
Molecule details ›
Chain: B
Length: 12 amino acids
Theoretical weight: 1.43 KDa
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007
Spacegroup: C2
Unit cell:
a: 71.517Å b: 43.274Å c: 35.036Å
α: 90° β: 116.51° γ: 90°
R-values:
R R work R free
0.156 0.154 0.193
Expression system: Not provided