4XNU image
Deposition Date 2015-01-16
Release Date 2015-05-13
Last Version Date 2024-10-16
Entry Detail
PDB ID:
4XNU
Keywords:
transport protein/inhibitor
Title:
X-ray structure of Drosophila dopamine transporter in complex with nisoxetine
Biological Source:
Source Organism:
Drosophila melanogaster (Taxon ID: 7227)
Mus musculus (Taxon ID: 10090)
Host Organism:
Homo sapiens
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.98 Å
R-Value Free:
0.25
R-Value Work:
0.22
R-Value Observed:
0.22
Space Group:
P 21 21 21
4XNU validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Integral membrane protein-dopamine transporter
Chain IDs:A
Chain Length:532
Number of Molecules:1
Biological Source:Drosophila melanogaster
UniProt ID:Q7K4Y6 Pfam ID:PF00209
Polymer Type:polypeptide(L)
Molecule:antibody fragment heavy chain
Chain IDs:C (auth: H)
Chain Length:240
Number of Molecules:1
Biological Source:Mus musculus
Polymer Type:polypeptide(L)
Molecule:antibody fragment light chain
Chain IDs:B (auth: L)
Chain Length:214
Number of Molecules:1
Biological Source:Mus musculus
Ligand Molecules
41U
CL
CLR
NA
Primary Citation
X-ray structures of Drosophila dopamine transporter in complex with nisoxetine and reboxetine.
Nat.Struct.Mol.Biol. 22 506 508 (2015)
PMID: 25961798 DOI: 10.1038/nsmb.3029

Abstact

Most antidepressants elicit their therapeutic benefits through selective blockade of Na(+)/Cl(-)-coupled neurotransmitter transporters. Here we report X-ray structures of the Drosophila melanogaster dopamine transporter in complexes with the polycyclic antidepressants nisoxetine or reboxetine. The inhibitors stabilize the transporter in an outward-open conformation by occupying the substrate-binding site. These structures explain how interactions between the binding pocket and substituents on the aromatic rings of antidepressants modulate drug-transporter selectivity.

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Chemical

Disease

Primary Citation of related structures
4M48
4XNX