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- EMDB-51074: TRPC5 in complex with photoswitch E-AzHC -

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Basic information

Entry
Database: EMDB / ID: EMD-51074
TitleTRPC5 in complex with photoswitch E-AzHC
Map data
Sample
  • Cell: Homotetrameric TRPC5 ion channel in complex with a efficacy photo-switch, antagonist state.
    • Protein or peptide: Short transient receptor potential channel 5
  • Ligand: 8-[3-chloranyl-4-[(~{E})-phenyldiazenyl]phenoxy]-7-[(4-chlorophenyl)methyl]-3-methyl-1-(3-oxidanylpropyl)purine-2,6-dione
Keywordsphoto-switch / inhibitor / MEMBRANE PROTEIN
Function / homology
Function and homology information


regulation of membrane hyperpolarization / phosphatidylserine exposure on apoptotic cell surface / Role of second messengers in netrin-1 signaling / negative regulation of dendrite morphogenesis / store-operated calcium channel activity / inositol 1,4,5 trisphosphate binding / cation channel complex / actinin binding / TRP channels / clathrin binding ...regulation of membrane hyperpolarization / phosphatidylserine exposure on apoptotic cell surface / Role of second messengers in netrin-1 signaling / negative regulation of dendrite morphogenesis / store-operated calcium channel activity / inositol 1,4,5 trisphosphate binding / cation channel complex / actinin binding / TRP channels / clathrin binding / 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 / actin binding / growth cone / positive regulation of cytosolic calcium ion concentration / 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 / Ankyrin repeats (3 copies) / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily ...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 / Ankyrin repeats (3 copies) / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Ion transport domain / Ion transport protein
Similarity search - Domain/homology
Short transient receptor potential channel 5
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.6 Å
AuthorsPorav SA / Bon R / Muench S
Funding support United Kingdom, 1 items
OrganizationGrant numberCountry
Biotechnology and Biological Sciences Research Council (BBSRC)BB/P020208/1 United Kingdom
CitationJournal: To Be Published
Title: Ideal efficacy photoswitches for TRPC4/5 channels harness high potency for spatiotemporally-resolved control of TRPC function in live tissues
Authors: Muller M / Niemeyer K / Ojha NK / Porav SA / Vinayagam D / Urban N / Buchau F / Oleinikov K / Makke M / Bauer CC / Johnson AJ / Muench SP / Zufall F / Bruns D / Schwarz Y / Raunser S / ...Authors: Muller M / Niemeyer K / Ojha NK / Porav SA / Vinayagam D / Urban N / Buchau F / Oleinikov K / Makke M / Bauer CC / Johnson AJ / Muench SP / Zufall F / Bruns D / Schwarz Y / Raunser S / Leinders-Zufall T / Bon RS / Schaefe M / Thorn-Seshold O
History
DepositionJul 16, 2024-
Header (metadata) releaseJul 30, 2025-
Map releaseJul 30, 2025-
UpdateJul 30, 2025-
Current statusJul 30, 2025Processing site: PDBe / Status: Released

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Structure visualization

Downloads & links

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Map

FileDownload / File: emd_51074.map.gz / Format: CCP4 / Size: 307.5 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.74 Å
Density
Contour LevelBy AUTHOR: 0.7
Minimum - Maximum-8.071778 - 12.247693999999999
Average (Standard dev.)0.000021993737 (±0.21983558)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderZYX
Origin000
Dimensions432432432
Spacing432432432
CellA=B=C: 319.68 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Homotetrameric TRPC5 ion channel in complex with a efficacy photo...

EntireName: Homotetrameric TRPC5 ion channel in complex with a efficacy photo-switch, antagonist state.
Components
  • Cell: Homotetrameric TRPC5 ion channel in complex with a efficacy photo-switch, antagonist state.
    • Protein or peptide: Short transient receptor potential channel 5
  • Ligand: 8-[3-chloranyl-4-[(~{E})-phenyldiazenyl]phenoxy]-7-[(4-chlorophenyl)methyl]-3-methyl-1-(3-oxidanylpropyl)purine-2,6-dione

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Supramolecule #1: Homotetrameric TRPC5 ion channel in complex with a efficacy photo...

SupramoleculeName: Homotetrameric TRPC5 ion channel in complex with a efficacy photo-switch, antagonist state.
type: cell / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Short transient receptor potential channel 5

MacromoleculeName: Short transient receptor potential channel 5 / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 89.065922 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MAQLYYKKVN YSPYRDRIPL QIVRAETELS AEEKAFLNAV EKGDYATVKQ ALQEAEIYYN VNINCMDPLG RSALLIAIEN ENLEIMELL LNHSVYVGDA LLYAIRKEVV GAVELLLSYR RPSGEKQVPT LMMDTQFSEF TPDITPIMLA AHTNNYEIIK L LVQKRVTI ...String:
MAQLYYKKVN YSPYRDRIPL QIVRAETELS AEEKAFLNAV EKGDYATVKQ ALQEAEIYYN VNINCMDPLG RSALLIAIEN ENLEIMELL LNHSVYVGDA LLYAIRKEVV GAVELLLSYR RPSGEKQVPT LMMDTQFSEF TPDITPIMLA AHTNNYEIIK L LVQKRVTI PRPHQIRCNC VECVSSSEVD SLRHSRSRLN IYKALASPSL IALSSEDPIL TAFRLGWELK ELSKVENEFK AE YEELSQQ CKLFAKDLLD QARSSRELEI ILNHRDDHSE ELDPQKYHDL AKLKVAIKYH QKEFVAQPNC QQLLATLWYD GFP GWRRKH WVVKLLTCMT IGFLFPMLSI AYLISPRSNL GLFIKKPFIK FICHTASYLT FLFMLLLASQ HIVRTDLHVQ GPPP TVVEW MILPWVLGFI WGEIKEMWDG GFTEYIHDWW NLMDFAMNSL YLATISLKIM AYVKYNGSRP REEWEMWHPT LIAEA LFAI SNILSSLRLI SLFTANSHLG PLQISLGRML LDILKFLFIY CLVLLAFANG LNQLYFYYET RAIDEPNNCK GIRCEK QNN AFSTLFETLQ SLFWSVFGLL NLYVTNVKAR HEFTEFVGAT MFGTYNVISL VVLLNMLIAM MNNSYQLIAD HADIEWK FA RTKLWMSYFD EGGTLPPPFN IIPSPKSFLY LGNWFNNTFC PKRDPDGRRR RRNLRSFTER NADSLIQNQH YQEVIRNL V KRYVAAMIRN SKTHELLTEE NFKELKQDIS SFRYEVLDLL GNRK

UniProtKB: Short transient receptor potential channel 5

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Macromolecule #2: 8-[3-chloranyl-4-[(~{E})-phenyldiazenyl]phenoxy]-7-[(4-chlorophen...

MacromoleculeName: 8-[3-chloranyl-4-[(~{E})-phenyldiazenyl]phenoxy]-7-[(4-chlorophenyl)methyl]-3-methyl-1-(3-oxidanylpropyl)purine-2,6-dione
type: ligand / ID: 2 / Number of copies: 4 / Formula: A1IIE
Molecular weightTheoretical: 579.434 Da

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
Component:
ConcentrationFormulaName
30.0 mMHEPES2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
150.0 mMNaClsodium chloride
1.0 mMDTTDithiothreitol
GridModel: Quantifoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 90 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 277 K

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 35.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 3.0 µm / Nominal defocus min: 0.7000000000000001 µm / Nominal magnification: 165000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL / In silico model: generated using modelAngelo
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 2.6 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 89351
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationNumber classes: 1

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: AB INITIO MODEL
Output model

PDB-9g4y:
TRPC5 in complex with photoswitch E-AzHC

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