PDBe 3tj2

X-ray diffraction
2.1Å resolution

Structure of a novel submicromolar MDM2 inhibitor

Source organism: Homo sapiens
Entry authors: Wolf S, Huang Y, Popowicz GM, Goda S, Holak TA, Doemling A

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

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
E3 ubiquitin-protein ligase Mdm2 Chains: A, C
Molecule details ›
Chains: A, C
Length: 95 amino acids
Theoretical weight: 11.14 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q00987 (Residues: 18-111; Coverage: 19%)
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: P21
Unit cell:
a: 32.44Å b: 58.88Å c: 49.51Å
α: 90° β: 99.21° γ: 90°
R R work R free
0.228 0.223 0.308
Expression system: Escherichia coli