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- EMDB-20291: ZINC17988990-bound TRPV5 in nanodiscs -

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Basic information

Entry
Database: EMDB / ID: EMD-20291
TitleZINC17988990-bound TRPV5 in nanodiscs
Map dataZINC17988990-bound TRPV5 in nanodiscs
Sample
  • Complex: ZINC17988990-bound TRPV5 in nanodiscs
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 5
  • Ligand: (4-oxo-5-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)methyl 3-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)propanoate
KeywordsTRPV5 / TRP Channel / Inhibitor / Calcium channel / TRANSPORT PROTEIN
Function / homology
Function and homology information


regulation of urine volume / calcium ion import across plasma membrane / calcium ion homeostasis / calcium ion transmembrane transport / calcium channel activity / calcium ion transport / protein homotetramerization / calmodulin binding / apical plasma membrane / metal ion binding ...regulation of urine volume / calcium ion import across plasma membrane / calcium ion homeostasis / calcium ion transmembrane transport / calcium channel activity / calcium ion transport / protein homotetramerization / calmodulin binding / apical plasma membrane / metal ion binding / identical protein binding / plasma membrane
Similarity search - Function
Transient receptor potential cation channel subfamily V member 5 / Transient receptor potential cation channel subfamily V member 5/6 / Transient receptor potential cation channel subfamily V / Ankyrin repeat / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily ...Transient receptor potential cation channel subfamily V member 5 / Transient receptor potential cation channel subfamily V member 5/6 / Transient receptor potential cation channel subfamily V / Ankyrin repeat / Ankyrin repeats (3 copies) / Ankyrin repeat profile. / Ankyrin repeat region circular profile. / ankyrin repeats / Ankyrin repeat / Ankyrin repeat-containing domain superfamily / Ion transport domain / Ion transport protein
Similarity search - Domain/homology
Transient receptor potential cation channel subfamily V member 5
Similarity search - Component
Biological speciesOryctolagus cuniculus (rabbit)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.78 Å
AuthorsHughes TET / Rosario JSD
Funding support United States, 3 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM103899 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM129357 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM093290 United States
CitationJournal: Elife / Year: 2019
Title: Structure-based characterization of novel TRPV5 inhibitors.
Authors: Taylor Et Hughes / John Smith Del Rosario / Abhijeet Kapoor / Aysenur Torun Yazici / Yevgen Yudin / Edwin C Fluck / Marta Filizola / Tibor Rohacs / Vera Y Moiseenkova-Bell /
Abstract: Transient receptor potential vanilloid 5 (TRPV5) is a highly calcium selective ion channel that acts as the rate-limiting step of calcium reabsorption in the kidney. The lack of potent, specific ...Transient receptor potential vanilloid 5 (TRPV5) is a highly calcium selective ion channel that acts as the rate-limiting step of calcium reabsorption in the kidney. The lack of potent, specific modulators of TRPV5 has limited the ability to probe the contribution of TRPV5 in disease phenotypes such as hypercalcemia and nephrolithiasis. Here, we performed structure-based virtual screening (SBVS) at a previously identified TRPV5 inhibitor binding site coupled with electrophysiology screening and identified three novel inhibitors of TRPV5, one of which exhibits high affinity, and specificity for TRPV5 over other TRP channels, including its close homologue TRPV6. Cryo-electron microscopy of TRPV5 in the presence of the specific inhibitor and its parent compound revealed novel binding sites for this channel. Structural and functional analysis have allowed us to suggest a mechanism of action for the selective inhibition of TRPV5 and lay the groundwork for rational design of new classes of TRPV5 modulators.
History
DepositionJun 13, 2019-
Header (metadata) releaseJul 17, 2019-
Map releaseNov 6, 2019-
UpdateMar 20, 2024-
Current statusMar 20, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 3.56
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by cylindrical radius
  • Surface level: 3.56
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6pbe
  • Surface level: 3.56
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_20291.png

Downloads & links

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Map

FileDownload / File: emd_20291.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationZINC17988990-bound TRPV5 in nanodiscs
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 192 pix.
= 204.288 Å		1.06 Å/pix.
x 192 pix.
= 204.288 Å		1.06 Å/pix.
x 192 pix.
= 204.288 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.064 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 3.56 / Movie #1: 3.56
Minimum - Maximum-13.717297 - 20.595120999999999
Average (Standard dev.)-0.000000000012432 (±1.0)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions192192192
Spacing192192192
CellA=B=C: 204.288 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0641.0641.064
M x/y/z192192192
origin x/y/z0.0000.0000.000
length x/y/z204.288204.288204.288
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS192192192
D min/max/mean-13.71720.595-0.000

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Supplemental data

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Sample components

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Entire : ZINC17988990-bound TRPV5 in nanodiscs

EntireName: ZINC17988990-bound TRPV5 in nanodiscs
Components
  • Complex: ZINC17988990-bound TRPV5 in nanodiscs
    • Protein or peptide: Transient receptor potential cation channel subfamily V member 5
  • Ligand: (4-oxo-5-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)methyl 3-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)propanoate

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Supramolecule #1: ZINC17988990-bound TRPV5 in nanodiscs

SupramoleculeName: ZINC17988990-bound TRPV5 in nanodiscs / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Oryctolagus cuniculus (rabbit)

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Macromolecule #1: Transient receptor potential cation channel subfamily V member 5

MacromoleculeName: Transient receptor potential cation channel subfamily V member 5
type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Oryctolagus cuniculus (rabbit)
Molecular weightTheoretical: 82.899656 KDa
Recombinant expressionOrganism: Saccharomyces cerevisiae (brewer's yeast)
SequenceString: MGACPPKAKG PWAQLQKLLI SWPVGEQDWE QYRDRVNMLQ QERIRDSPLL QAAKENDLRL LKILLLNQSC DFQQRGAVGE TALHVAALY DNLEAATLLM EAAPELAKEP ALCEPFVGQT ALHIAVMNQN LNLVRALLAR GASVSARATG AAFRRSPHNL I YYGEHPLS ...String:
MGACPPKAKG PWAQLQKLLI SWPVGEQDWE QYRDRVNMLQ QERIRDSPLL QAAKENDLRL LKILLLNQSC DFQQRGAVGE TALHVAALY DNLEAATLLM EAAPELAKEP ALCEPFVGQT ALHIAVMNQN LNLVRALLAR GASVSARATG AAFRRSPHNL I YYGEHPLS FAACVGSEEI VRLLIEHGAD IRAQDSLGNT VLHILILQPN KTFACQMYNL LLSYDEHSDH LQSLELVPNH QG LTPFKLA GVEGNTVMFQ HLMQKRKHVQ WTCGPLTSTL YDLTEIDSWG EELSFLELVV SSKKREARQI LEQTPVKELV SFK WKKYGR PYFCVLASLY ILYMICFTTC CIYRPLKLRD DNRTDPRDIT ILQQKLLQEA YVTHQDNIRL VGELVTVTGA VIIL LLEIP DIFRVGASRY FGQTILGGPF HVIIITYASL VLLTMVMRLT NMNGEVVPLS FALVLGWCSV MYFARGFQML GPFTI MIQK MIFGDLMRFC WLMAVVILGF ASAFHITFQT EDPNNLGEFS DYPTALFSTF ELFLTIIDGP ANYSVDLPFM YCITYA AFA IIATLLMLNL FIAMMGDTHW RVAQERDELW RAQVVATTVM LERKMPRFLW PRSGICGYEY GLGDRWFLRV ENHHDQN PL RVLRYVEAFK CSDKEDGQEQ LSEKRPSTVE SGMLSRASVA FQTPSLSRTT SQSSNSHRGW EILRRNTLGH LNLGLDLG E GDGEEVYHF

UniProtKB: Transient receptor potential cation channel subfamily V member 5

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Macromolecule #2: (4-oxo-5-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)methyl 3-(...

MacromoleculeName: (4-oxo-5-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)methyl 3-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)propanoate
type: ligand / ID: 2 / Number of copies: 8 / Formula: O6S
Molecular weightTheoretical: 461.49 Da
Chemical component information

ChemComp-O6S:
(4-oxo-5-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)methyl 3-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)propanoate

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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: 8
GridDetails: unspecified
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Average electron dose: 1.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: EMDB MAP
Final reconstructionApplied symmetry - Point group: C4 (4 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.78 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 98516
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION
Final 3D classificationSoftware - Name: RELION

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