6BCO

cryo-EM structure of TRPM4 in ATP bound state with short coiled coil at 2.9 angstrom resolution

  • Classification: TRANSPORT PROTEIN
  • Organism(s): Mus musculus
  • Expression System: Homo sapiens

  • Deposited: 2017-10-20 Released: 2017-12-13 
  • Deposition Author(s): Guo, J., She, J., Chen, Q., Bai, X., Jiang, Y.
  • Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences; Welch Foundation; Howard Hughes Medical Institute; Cancer Prevention and Research Institute of Texas; Virginia Murchison Linthicum Scholar in Medical Research fund 

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.88 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Structures of the calcium-activated, non-selective cation channel TRPM4.

Guo, J.She, J.Zeng, W.Chen, Q.Bai, X.C.Jiang, Y.

(2017) Nature 552: 205-209

  • DOI: 10.1038/nature24997
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • TRPM4 is a calcium-activated, phosphatidylinositol-4,5-bisphosphate (PtdIns(4,5)P <sub>2 </sub>) -modulated, non-selective cation channel that belongs to the family of melastatin-related transient receptor potential (TRPM) channels. Here we present t ...

    TRPM4 is a calcium-activated, phosphatidylinositol-4,5-bisphosphate (PtdIns(4,5)P 2 ) -modulated, non-selective cation channel that belongs to the family of melastatin-related transient receptor potential (TRPM) channels. Here we present the electron cryo-microscopy structures of the mouse TRPM4 channel with and without ATP. TRPM4 consists of multiple transmembrane and cytosolic domains, which assemble into a three-tiered architecture. The N-terminal nucleotide-binding domain and the C-terminal coiled-coil participate in the tetrameric assembly of the channel; ATP binds at the nucleotide-binding domain and inhibits channel activity. TRPM4 has an exceptionally wide filter but is only permeable to monovalent cations; filter residue Gln973 is essential in defining monovalent selectivity. The S1-S4 domain and the post-S6 TRP domain form the central gating apparatus that probably houses the Ca 2+ - and PtdIns(4,5)P 2 -binding sites. These structures provide an essential starting point for elucidating the complex gating mechanisms of TRPM4 and reveal the molecular architecture of the TRPM family.


    Organizational Affiliation

    Department of Physiology, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9040, USA.,Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9040, USA.,Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, Texas 75390-9039, USA.,Department of Biophysics, University of Texas Southwestern Medical Center, Dallas, Texas 75390-8816, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Transient receptor potential cation channel subfamily M member 4
B, A, C, D
1254Mus musculusMutation(s): 0 
Gene Names: Trpm4 (Ltrpc4)
Membrane protein
mpstruc
Group: 
TRANSMEMBRANE PROTEINS: ALPHA-HELICAL
Sub Group: 
Channels: Transient Receptor Potential (TRP)
Protein: 
TRPM4 Ca2+-activated TRP channel, apo state with short coiled-coil
Find proteins for Q7TN37 (Mus musculus)
Go to UniProtKB:  Q7TN37
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ATP
Query on ATP

Download SDF File 
Download CCD File 
A, B, C, D
ADENOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O13 P3
ZKHQWZAMYRWXGA-KQYNXXCUSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.88 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
Software Package:
Software NamePurpose
PHENIXrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical SciencesUnited StatesGM079179
Welch FoundationUnited StatesI-1578
Howard Hughes Medical InstituteUnited States--
Cancer Prevention and Research Institute of TexasUnited States--
Virginia Murchison Linthicum Scholar in Medical Research fundUnited States--

Revision History 

  • Version 1.0: 2017-12-13
    Type: Initial release
  • Version 1.1: 2017-12-20
    Type: Database references
  • Version 1.2: 2017-12-27
    Type: Database references
  • Version 1.3: 2018-07-18
    Type: Data collection
  • Version 1.4: 2019-04-24
    Type: Author supporting evidence, Data collection