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- EMDB-63307: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer -

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Basic information

Entry
Database: EMDB / ID: EMD-63307
TitleCryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer
Map data
Sample
  • Complex: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer
    • Protein or peptide: Apelin receptor
    • Protein or peptide: JN241-9
  • Ligand: 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE
  • Ligand: CHOLESTEROL
KeywordsAPLNR / JN241-9 / dimer / complex / STRUCTURAL PROTEIN
Function / homology
Function and homology information


: / apelin receptor activity / apelin receptor signaling pathway / mechanoreceptor activity / regulation of gap junction assembly / positive regulation of G protein-coupled receptor internalization / vascular associated smooth muscle cell differentiation / atrioventricular valve development / regulation of body fluid levels / venous blood vessel development ...: / apelin receptor activity / apelin receptor signaling pathway / mechanoreceptor activity / regulation of gap junction assembly / positive regulation of G protein-coupled receptor internalization / vascular associated smooth muscle cell differentiation / atrioventricular valve development / regulation of body fluid levels / venous blood vessel development / positive regulation of cardiac muscle hypertrophy in response to stress / endocardial cushion formation / positive regulation of blood vessel endothelial cell proliferation involved in sprouting angiogenesis / coronary vasculature development / adult heart development / vasculature development / G protein-coupled peptide receptor activity / aorta development / negative regulation of cardiac muscle hypertrophy in response to stress / ventricular septum morphogenesis / blood vessel development / heart looping / vasculogenesis / gastrulation / Peptide ligand-binding receptors / positive regulation of release of sequestered calcium ion into cytosol / G protein-coupled receptor activity / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / positive regulation of angiogenesis / signaling receptor activity / heart development / regulation of gene expression / angiogenesis / G alpha (i) signalling events / G protein-coupled receptor signaling pathway / negative regulation of gene expression / plasma membrane
Similarity search - Function
Apelin receptor / : / G-protein coupled receptors family 1 signature. / 7 transmembrane receptor (rhodopsin family) / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile.
Similarity search - Domain/homology
Biological speciesHomo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.7 Å
AuthorsJi S / Wang W / Yang Y / Shen Q / Zhang Y
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer
Authors: Ji S / Wang W / Yang Y / Shen Q / Zhang Y
History
DepositionJan 28, 2025-
Header (metadata) releaseFeb 4, 2026-
Map releaseFeb 4, 2026-
UpdateFeb 4, 2026-
Current statusFeb 4, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_63307.png

Downloads & links

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Map

FileDownload / File: emd_63307.map.gz / Format: CCP4 / Size: 42.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.93 Å/pix.
x 224 pix.
= 208.32 Å		0.93 Å/pix.
x 224 pix.
= 208.32 Å		0.93 Å/pix.
x 224 pix.
= 208.32 Å

Surface

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Slices (1/3)

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.93 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.01
Minimum - Maximum-0.0910535 - 0.10905998
Average (Standard dev.)-0.000010762547 (±0.0029610398)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions224224224
Spacing224224224
CellA=B=C: 208.32 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_63307_msk_1.map
Projections & Slices
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Histogram

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Half map: #2

Fileemd_63307_half_map_1.map
Projections & Slices
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Histogram

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Half map: #1

Fileemd_63307_half_map_2.map
Projections & Slices
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Sample components

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Entire : Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer

EntireName: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer
Components
  • Complex: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer
    • Protein or peptide: Apelin receptor
    • Protein or peptide: JN241-9
  • Ligand: 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE
  • Ligand: CHOLESTEROL

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Supramolecule #1: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer

SupramoleculeName: Cryo-EM structure of the JN241-9-bound state 1b of APLNR homodimer
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Apelin receptor

MacromoleculeName: Apelin receptor / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 42.696301 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MEEGGDFDNY YGADNQSECE YTDWKSSGAL IPAIYMLVFL LGTTGNGLVL WTVFRSSREK RRSADIFIAS LAVADLTFVV TLPLWATYT YRDYDWPFGT FFCKLSSYLI FVNMYASVFC LTGLSFDRYL AIVRPVANAR LRLRVSGAVA TAVLWVLAAL L AMPVMVLR ...String:
MEEGGDFDNY YGADNQSECE YTDWKSSGAL IPAIYMLVFL LGTTGNGLVL WTVFRSSREK RRSADIFIAS LAVADLTFVV TLPLWATYT YRDYDWPFGT FFCKLSSYLI FVNMYASVFC LTGLSFDRYL AIVRPVANAR LRLRVSGAVA TAVLWVLAAL L AMPVMVLR TTGDLENTTK VQCYMDYSMV ATVSSEWAWE VGLGVSSTTV GFVVPFTIML TCYFFIAQTI AGHFRKERIE GL RKRRRLL SIIVVLVVTF ALCWMPYHLV KTLYMLGSLL HWPCDFDLFL MNIFPYCTCI SYVNSCLNPF LYAFFDPRFR QAC TSMLCC GQSRCAGTSH SSSGEKSASY SSGHSQGPGP NMGKGGEQMH EKSIPYSQET LVVD

UniProtKB: Apelin receptor

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Macromolecule #2: JN241-9

MacromoleculeName: JN241-9 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 13.929495 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
QVQLVESGGG SVQSGGSLTL SCAASGSTYS SHCMGWFRQA PGKEREGVAL MTRSRGTSYA DSVKGRFTIS QDNTKNILYL QMNSLKPED TAMYYCAAVP RAGIEYSGAY CKWNMKDSGS WGQGTQVTVS S

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Macromolecule #3: 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE

MacromoleculeName: 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE / type: ligand / ID: 3 / Number of copies: 2 / Formula: PCF
Molecular weightTheoretical: 734.039 Da
Chemical component information

ChemComp-PCF:
1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE

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Macromolecule #4: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 4 / Number of copies: 16 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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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: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 52.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm
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: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.7 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 101362
Initial angle assignmentType: RANDOM ASSIGNMENT
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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