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- PDB-7wdb: Human TRPC5 channel in complex with riluzole -

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Basic information

Entry
Database: PDB / ID: 7wdb
TitleHuman TRPC5 channel in complex with riluzole
ComponentsShort transient receptor potential channel 5
KeywordsMEMBRANE PROTEIN / TRPC5 / riluzole / activator
Function / homology
Function and homology information


regulation of membrane hyperpolarization / phosphatidylserine exposure on apoptotic cell surface / negative regulation of dendrite morphogenesis / Role of second messengers in netrin-1 signaling / store-operated calcium channel activity / inositol 1,4,5 trisphosphate binding / cation channel complex / actinin binding / clathrin binding / TRP channels ...regulation of membrane hyperpolarization / phosphatidylserine exposure on apoptotic cell surface / negative regulation of dendrite morphogenesis / Role of second messengers in netrin-1 signaling / store-operated calcium channel activity / inositol 1,4,5 trisphosphate binding / cation channel complex / actinin binding / clathrin binding / TRP channels / regulation of cytosolic calcium ion concentration / positive regulation of axon extension / calcium channel complex / positive regulation of neuron differentiation / calcium ion transmembrane transport / calcium channel activity / neuron differentiation / calcium ion transport / nervous system development / presynapse / positive regulation of cytosolic calcium ion concentration / actin binding / growth cone / ATPase binding / neuron apoptotic process / neuronal cell body / positive regulation of cell population proliferation / dendrite / plasma membrane
Similarity search - Function
Transient receptor potential channel, canonical 5 / Transient receptor ion channel domain / Transient receptor ion channel II / Transient receptor ion channel II / Transient receptor potential channel, canonical / Ankyrin repeat-containing domain / Ankyrin repeat / Ankyrin repeats (3 copies) / ankyrin repeats / Ankyrin repeat ...Transient receptor potential channel, canonical 5 / Transient receptor ion channel domain / Transient receptor ion channel II / Transient receptor ion channel II / Transient receptor potential channel, canonical / Ankyrin repeat-containing domain / Ankyrin repeat / Ankyrin repeats (3 copies) / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat / Ion transport domain / Ion transport protein / Alpha Horseshoe / Mainly Alpha
Similarity search - Domain/homology
6-(trifluoromethoxy)-1,3-benzothiazol-2-amine / : / Chem-POV / PHOSPHATIDYLETHANOLAMINE / CHOLESTEROL HEMISUCCINATE / Short transient receptor potential channel 5
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.4 Å
AuthorsChen, L. / Wei, M. / Yang, Y.
Funding support China, 4items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)91957201 China
National Natural Science Foundation of China (NSFC)31870833 China
National Science Foundation (NSF, China)31821091 China
National Science Foundation (NSF, China)11902021 China
CitationJournal: Cell Discov / Year: 2022
Title: Structural identification of riluzole-binding site on human TRPC5.
Authors: Yaxiong Yang / Miao Wei / Lei Chen /
History
DepositionDec 21, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Apr 13, 2022Provider: repository / Type: Initial release
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Revision 1.2Nov 13, 2024Group: Data collection / Structure summary
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Description: Ligand geometry
Details: 1,3-DAG (named as 7OC in this coordinate) was replaced by 1,2-DAG.
Provider: author / Type: Coordinate replacement
Revision 1.1Mar 26, 2025Data content type: EM metadata
Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata
Group: Data collection / Data processing ...Data collection / Data processing / Experimental summary / Source and taxonomy / Structure summary
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Data content type: EM metadata / EM metadata ...EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata / EM metadata
Item: _chem_comp.name / _em_admin.last_update ..._chem_comp.name / _em_admin.last_update / _em_entity_assembly_naturalsource.id / _em_entity_assembly_recombinant.id / _em_imaging.microscope_model / _entity.formula_weight / _entity.pdbx_description

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Short transient receptor potential channel 5
B: Short transient receptor potential channel 5
C: Short transient receptor potential channel 5
D: Short transient receptor potential channel 5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)366,76832
Polymers355,3944
Non-polymers11,37328
Water00
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
Short transient receptor potential channel 5 / TrpC5 / Transient receptor protein 5 / hTRP5


Mass: 88848.578 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TRPC5, TRP5 / Production host: Homo sapiens (human) / References: UniProt: Q9UL62

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Non-polymers , 7 types, 28 molecules

#2: Chemical
ChemComp-POV / (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate / POPC


Mass: 760.076 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C42H82NO8P / Comment: phospholipid*YM
#3: Chemical
ChemComp-Y01 / CHOLESTEROL HEMISUCCINATE


Mass: 486.726 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C31H50O4
#4: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#5: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Ca
#6: Chemical
ChemComp-657 / 6-(trifluoromethoxy)-1,3-benzothiazol-2-amine / Riluzole


Mass: 234.198 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C8H5F3N2OS / Feature type: SUBJECT OF INVESTIGATION
#7: Chemical
ChemComp-PTY / PHOSPHATIDYLETHANOLAMINE


Mass: 734.039 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C40H80NO8P / Comment: phospholipid*YM
#8: Chemical
ChemComp-A1L8M / [(2S)-1-oxidanyl-3-[(E)-tetradec-9-enoyl]oxy-propan-2-yl] (Z)-pentadec-9-enoate


Mass: 522.800 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C32H58O5

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Details

Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: human transient receptor potential channel 5 tetramer / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1500 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 175028 / Symmetry type: POINT

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