3g60

X-ray diffraction
4.4Å resolution

Structure of P-glycoprotein Reveals a Molecular Basis for Poly-Specific Drug Binding

Released:

Function and Biology Details

Reactions catalysed:
ATP + H(2)O + phospholipid(Side 1) = ADP + phosphate + phospholipid(Side 2)
ATP + H(2)O + xenobiotic(Side 1) = ADP + phosphate + xenobiotic(Side 2)
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
ATP-dependent translocase ABCB1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 1284 amino acids
Theoretical weight: 141.9 KDa
Source organism: Mus musculus
Expression system: Not provided
UniProt:
  • Canonical: P21447 (Residues: 1-1276; Coverage: 100%)
Gene names: Abcb1a, Abcb4, Mdr1a, Mdr3, Pgy-3, Pgy3
Sequence domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: P212121
Unit cell:
a: 96.629Å b: 115.09Å c: 374.204Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.314 0.314 0.365
Expression system: Not provided