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- EMDB-48385: CGRP Receptor in complex with C8 Minibinder -

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Basic information

Entry
Database: EMDB / ID: EMD-48385
TitleCGRP Receptor in complex with C8 Minibinder
Map dataRELION 5.0 (BLUSH maximization) refinement
Sample
  • Complex: CGRP Receptor in complex with dC2_049
    • Protein or peptide: De novo designed minibinder - dC2_049
    • Protein or peptide: Receptor activity-modifying protein 1
    • Protein or peptide: Calcitonin gene-related peptide type 1 receptor
KeywordsGPCR / denovo protein design / MEMBRANE PROTEIN
Function / homology
Function and homology information


calcitonin gene-related peptide binding / cellular response to sucrose stimulus / adrenomedullin binding / CGRP receptor complex / adrenomedullin receptor activity / adrenomedullin receptor complex / : / adrenomedullin receptor signaling pathway / amylin receptor activity / calcitonin receptor activity ...calcitonin gene-related peptide binding / cellular response to sucrose stimulus / adrenomedullin binding / CGRP receptor complex / adrenomedullin receptor activity / adrenomedullin receptor complex / : / adrenomedullin receptor signaling pathway / amylin receptor activity / calcitonin receptor activity / calcitonin gene-related peptide receptor signaling pathway / vascular associated smooth muscle cell proliferation / calcitonin gene-related peptide receptor activity / amylin receptor 1 signaling pathway / amylin receptor signaling pathway / Calcitonin-like ligand receptors / regulation of G protein-coupled receptor signaling pathway / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / cellular response to hormone stimulus / coreceptor activity / positive regulation of vascular associated smooth muscle cell proliferation / protein localization to plasma membrane / intracellular protein transport / G protein-coupled receptor activity / receptor internalization / adenylate cyclase-activating G protein-coupled receptor signaling pathway / calcium ion transport / protein transport / heart development / angiogenesis / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (s) signalling events / cell surface receptor signaling pathway / lysosome / receptor complex / endosome / G protein-coupled receptor signaling pathway / cell surface / endoplasmic reticulum / plasma membrane / cytoplasm
Similarity search - Function
GPCR, family 2, calcitonin gene-related peptide, type 1 receptor / Receptor activity modifying protein / RAMP domain superfamily / Receptor activity modifying family / GPCR, family 2, calcitonin receptor family / G-protein coupled receptors family 2 signature 1. / : / GPCR, family 2, extracellular hormone receptor domain / G-protein coupled receptors family 2 profile 1. / Domain present in hormone receptors ...GPCR, family 2, calcitonin gene-related peptide, type 1 receptor / Receptor activity modifying protein / RAMP domain superfamily / Receptor activity modifying family / GPCR, family 2, calcitonin receptor family / G-protein coupled receptors family 2 signature 1. / : / GPCR, family 2, extracellular hormone receptor domain / G-protein coupled receptors family 2 profile 1. / Domain present in hormone receptors / Hormone receptor domain / GPCR family 2, extracellular hormone receptor domain superfamily / G-protein coupled receptors family 2 signature 2. / GPCR, family 2, secretin-like, conserved site / GPCR, family 2, secretin-like / 7 transmembrane receptor (Secretin family) / GPCR, family 2-like / G-protein coupled receptors family 2 profile 2.
Similarity search - Domain/homology
Receptor activity-modifying protein 1 / Calcitonin gene-related peptide type 1 receptor
Similarity search - Component
Biological speciesHomo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.26 Å
AuthorsCao J / Cary BP / Belousoff MJ / Wootten DL
Funding support Australia, 4 items
OrganizationGrant numberCountry
National Health and Medical Research Council (NHMRC, Australia)1150083 Australia
Australian Research Council (ARC)DP210101504 Australia
National Health and Medical Research Council (NHMRC, Australia)2026300 Australia
Australian Research Council (ARC)IC200100052 Australia
CitationJournal: To Be Published
Title: CGRP Receptor in complex with C8 Minibinder
Authors: Muratspahic E / Wootten D
History
DepositionDec 19, 2024-
Header (metadata) releaseJan 28, 2026-
Map releaseJan 28, 2026-
UpdateJan 28, 2026-
Current statusJan 28, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_48385.png

Downloads & links

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Map

FileDownload / File: emd_48385.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationRELION 5.0 (BLUSH maximization) refinement
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.75 Å/pix.
x 256 pix.
= 192. Å		0.75 Å/pix.
x 256 pix.
= 192. Å		0.75 Å/pix.
x 256 pix.
= 192. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.75 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.00377
Minimum - Maximum-0.006181121 - 0.014504547
Average (Standard dev.)-0.000055999364 (±0.0005681656)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 192.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_48385_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: cryosparc refinement, unsharpened map

Fileemd_48385_additional_1.map
Annotationcryosparc refinement, unsharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: cryosparc refinement, sharpened map

Fileemd_48385_additional_2.map
Annotationcryosparc refinement, sharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: cryosparc refinement, half-map 1

Fileemd_48385_half_map_1.map
Annotationcryosparc refinement, half-map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: cryosparc refinement, half-map 2

Fileemd_48385_half_map_2.map
Annotationcryosparc refinement, half-map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : CGRP Receptor in complex with dC2_049

EntireName: CGRP Receptor in complex with dC2_049
Components
  • Complex: CGRP Receptor in complex with dC2_049
    • Protein or peptide: De novo designed minibinder - dC2_049
    • Protein or peptide: Receptor activity-modifying protein 1
    • Protein or peptide: Calcitonin gene-related peptide type 1 receptor

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Supramolecule #1: CGRP Receptor in complex with dC2_049

SupramoleculeName: CGRP Receptor in complex with dC2_049 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: De novo designed minibinder - dC2_049

MacromoleculeName: De novo designed minibinder - dC2_049 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 7.970083 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
DTNFELGVEY FMLGLQALVH GDYDNAIKYF NKAIEYFKKS SDKEKAAKYI ALAQKYIDEA KKLKAEKEA

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Macromolecule #2: Receptor activity-modifying protein 1

MacromoleculeName: Receptor activity-modifying protein 1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 17.066701 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MKTIIALSYI FCLVFADYKD DDDKHGSCQE ANYGALLREL CLTQFQVDME AVGETLWCDW GRTIRSYREL ADCTWHMAEK LGCFWPNAE VDRFFLAVHG RYFRSCPISG RAVRDPPGSI LYPFIVVPIT VTLLVTALVV WQSKRTEGIV

UniProtKB: Receptor activity-modifying protein 1

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Macromolecule #3: Calcitonin gene-related peptide type 1 receptor

MacromoleculeName: Calcitonin gene-related peptide type 1 receptor / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 56.27452 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MKTIIALSYI FCLVFADYKD DDDLEVLFQG PAELEESPED SIQLGVTRNK IMTAQYECYQ KIMQDPIQQA EGVYCNRTWD GWLCWNDVA AGTESMQLCP DYFQDFDPSE KVTKICDQDG NWFRHPASNR TWTNYTQCNV NTHEKVKTAL NLFYLTIIGH G LSIASLLI ...String:
MKTIIALSYI FCLVFADYKD DDDLEVLFQG PAELEESPED SIQLGVTRNK IMTAQYECYQ KIMQDPIQQA EGVYCNRTWD GWLCWNDVA AGTESMQLCP DYFQDFDPSE KVTKICDQDG NWFRHPASNR TWTNYTQCNV NTHEKVKTAL NLFYLTIIGH G LSIASLLI SLGIFFYFKS LSCQRITLHK NLFFSFVCNS VVTIIHLTAV ANNQALVATN PVSCKVSQFI HLYLMGCNYF WM LCEGIYL HTLIVVAVFA EKQHLMWYYF LGWGFPLIPA CIHAIARSLY YNDNCWISSD THLLYIIHGP ICAALLVNLF FLL NIVRVL ITKLKVTHQA ESNLYMKAVR ATLILVPLLG IEFVLIPWRP EGKIAEEVYD YIMHILMHFQ GLLVSTIFCF FNGE VQAIL RRNWNQYKIQ FGNSFSNSEA LRSASYTVST ISDGPGYSHD CPSEHLNGKS IHDIENVLLK PENLYNPAGL EVLFQ GPHH HHHHHH

UniProtKB: Calcitonin gene-related peptide type 1 receptor

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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

Concentration11 mg/mL
BufferpH: 7.4
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 200 / Support film - Material: GOLD / Support film - topology: HOLEY ARRAY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 120 sec. / Pretreatment - Atmosphere: AIR / Details: 20 mA discharge
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeTFS GLACIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Digitization - Dimensions - Width: 4096 pixel / Digitization - Dimensions - Height: 4096 pixel / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 1.2 µm / Nominal defocus min: 0.6 µm / Nominal magnification: 120000
Sample stageSpecimen holder model: OTHER

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.26 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 175000
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelChain - Source name: RoseTTAFold / Chain - Initial model type: in silico model
RefinementSpace: REAL / Protocol: FLEXIBLE FIT
Output model

PDB-9mm5:
CGRP Receptor in complex with dC2_049

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