› 4ksb

X-ray diffraction
3.8Å resolution

Structures of P-glycoprotein reveal its conformational flexibility and an epitope on the nucleotide-binding domain

Released:
DOI: 10.2210/pdb4ksb/pdb
PDB entry 4ksb coloured by chain, front view.
PDB entry 4ksb coloured by chain, side view.
PDB entry 4ksb coloured by chain, top view.
Source organism: Mus musculus
Primary publication:
Structures of P-glycoprotein reveal its conformational flexibility and an epitope on the nucleotide-binding domain.
Ward AB, Szewczyk P, Grimard V, Lee CW, Martinez L, Doshi R, Caya A, Villaluz M, Pardon E, Cregger C, Swartz DJ, Falson PG, Urbatsch IL, Govaerts C, Steyaert J, Chang G
Proc Natl Acad Sci U S A 110 13386-91 (2013)
PMID: 23901103

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:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149243 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
ATP-dependent translocase ABCB1 Chain: A
Molecule details ›
Chain: A
Length: 1284 amino acids
Theoretical weight: 141.88 KDa
Source organism: Mus musculus
Expression system: Komagataella pastoris
UniProt:
  • Canonical: P21447 (Residues: 1-1276; Coverage: 100%)
Gene names: Abcb1a, Abcb4, Mdr1a, Mdr3, Pgy-3, Pgy3
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P212121
Unit cell:
a: 87.4Å b: 138.65Å c: 185.13Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.325 0.323 0.357
Expression system: Komagataella pastoris

Quick links

Citations

30 review citations

Mechanistic diversity in ATP-binding cassette (ABC) transporters.
Locher KP. (2016)
29 more

19 mentions without citation

Prediction of drug-ABC-transporter interaction--Recent advances and future challenges.
Montanari et al. (2015)
18 more