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- EMDB-51076: TRPC5 in complex with photoswitch Z-AzHC -

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Basic information

Entry
Database: EMDB / ID: EMD-51076
TitleTRPC5 in complex with photoswitch Z-AzHC
Map data
Sample
  • Cell: Homotetrameric TRPC5 ion channel in complex with a efficacy photo-switch, agonist state.
    • Protein or peptide: Short transient receptor potential channel 5
  • Ligand: ZINC ION
  • Ligand: 8-[3-chloranyl-4-[(~{Z})-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 / 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 / actin binding / positive regulation of cytosolic calcium ion concentration / 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 / 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: 2.9 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

Supplemental images

emd_51076.png

Downloads & links

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Map

FileDownload / File: emd_51076.map.gz / Format: CCP4 / Size: 307.5 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesX (Sec.)Y (Row.)Z (Col.)
0.74 Å/pix.
x 432 pix.
= 319.68 Å		0.74 Å/pix.
x 432 pix.
= 319.68 Å		0.74 Å/pix.
x 432 pix.
= 319.68 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.74 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.8
Minimum - Maximum-5.7128963 - 10.035666000000001
Average (Standard dev.)0.000109050445 (±0.2097206)
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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Half map: #2

Fileemd_51076_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_51076_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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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, agonist state.
Components
  • Cell: Homotetrameric TRPC5 ion channel in complex with a efficacy photo-switch, agonist state.
    • Protein or peptide: Short transient receptor potential channel 5
  • Ligand: ZINC ION
  • Ligand: 8-[3-chloranyl-4-[(~{Z})-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, agonist 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: 89.00982 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 SKTHEGLTEE NFKELKQDIS SFRYEVLDLL GNRK

UniProtKB: Short transient receptor potential channel 5

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Macromolecule #2: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 2 / Number of copies: 4 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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

MacromoleculeName: 8-[3-chloranyl-4-[(~{Z})-phenyldiazenyl]phenoxy]-7-[(4-chlorophenyl)methyl]-3-methyl-1-(3-oxidanylpropyl)purine-2,6-dione
type: ligand / ID: 3 / Number of copies: 4 / Formula: A1IIF
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

MicroscopeTFS 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 correctionSoftware - Name: cryoSPARC / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL / In silico model: generated using modelAngelo
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 69131
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
Final 3D classificationNumber classes: 1 / Software - Name: cryoSPARC
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: AB INITIO MODEL
Output model

PDB-9g50:
TRPC5 in complex with photoswitch Z-AzHC

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