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Basic information

Entry
Database: EMDB / ID: EMD-65271
TitleThe structure of DmOR67d-DmOrco in the apo state
Map data
Sample
  • Complex: The structure of DmOR67d-DmOrco in the apo state
    • Protein or peptide: Odorant receptor 67d
    • Protein or peptide: Odorant receptor coreceptor
KeywordsOdorant Receptor / Complex / channel / MEMBRANE PROTEIN
Biological speciesDrosophila melanogaster (fruit fly)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsWang J / Guo J
Funding support China, 1 items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, China)2020YFA0908501 China
CitationJournal: Cell Res. / Year: 2026
Title: Cryo-EM structures of Drosophila OR67d-Orco complexes reveal insect pheromone sensing mechanism.
Authors: Wang J / Yang C / Chang S / Jiao D / Lin J / Yang X / Cai W / Ma D / Ding ZJ / Huang J / Huang J / Fan M / Hu M / Wang Y / Xu H / Su N / Guo J
History
DepositionJul 5, 2025-
Header (metadata) releaseJul 1, 2026-
Map releaseJul 1, 2026-
UpdateJul 1, 2026-
Current statusJul 1, 2026Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_65271.png

Downloads & links

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Map

FileReleased
Voxel sizeX=Y=Z: 0.93 Å
Density
Contour LevelBy AUTHOR: 0.016
Minimum - Maximum-0.044446114 - 0.0718316
Average (Standard dev.)0.00010858651 (±0.0028738647)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions240240240
Spacing240240240
CellA=B=C: 223.2 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : The structure of DmOR67d-DmOrco in the apo state

EntireName: The structure of DmOR67d-DmOrco in the apo state
Components
  • Complex: The structure of DmOR67d-DmOrco in the apo state
    • Protein or peptide: Odorant receptor 67d
    • Protein or peptide: Odorant receptor coreceptor

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Supramolecule #1: The structure of DmOR67d-DmOrco in the apo state

SupramoleculeName: The structure of DmOR67d-DmOrco in the apo state / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Drosophila melanogaster (fruit fly)

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Macromolecule #1: Odorant receptor 67d

MacromoleculeName: Odorant receptor 67d / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Drosophila melanogaster (fruit fly)
Molecular weightTheoretical: 43.936207 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: KVEPVERYCK VIRMIRFCVG FCGNDVADPN FRMWWLTYAV MAAIAFFFAC TGYTIYVGVV INGDLTIILQ ALAMVGSAVQ GLTKLLVTA NNASHMREVQ NTYEDIYREY GSKGDEYAKC LEKRIRITWT LLIGFMLVYI ILLGLVITFP IFYLLILHQK V LVMQFLIP ...String:
KVEPVERYCK VIRMIRFCVG FCGNDVADPN FRMWWLTYAV MAAIAFFFAC TGYTIYVGVV INGDLTIILQ ALAMVGSAVQ GLTKLLVTA NNASHMREVQ NTYEDIYREY GSKGDEYAKC LEKRIRITWT LLIGFMLVYI ILLGLVITFP IFYLLILHQK V LVMQFLIP FLDHTTDGGH LILTAAHVIL ITFGGFGNYG GDMYLFLFVT HVPLIKDIFC VKLTEFNELV MKRNDFPKVR AM LCDLLVW HQLYTRMLQT TKKIYSIVLF VQLSTTCVGL LCTISCIFMK AWPAAPLYLL YAAITLYTFC GLGTLVENSN EDF LSVIYT NCLWYELPVK EEKLIIMMLA KAQNEVVLTA ADMAPLSMNT ALQLTKGIYS FSMMLMNYLG

UniProtKB: Odorant receptor 67d

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Macromolecule #2: Odorant receptor coreceptor

MacromoleculeName: Odorant receptor coreceptor / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Drosophila melanogaster (fruit fly)
Molecular weightTheoretical: 53.785227 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: PSKYTGLVAD LMPNIRAMKY SGLFMHNFTG GSAFMKKVYS SVHLVFLLMQ FTFILVNMAL NAEEVNELSG NTITTLFFTH CITKFIYLA VNQKNFYRTL NIWNQVNTHP LFAESDARYH SIALAKMRKL FFLVMLTTVA SATAWTTITF FGDSVKMVVD H ETNSSIPV ...String:
PSKYTGLVAD LMPNIRAMKY SGLFMHNFTG GSAFMKKVYS SVHLVFLLMQ FTFILVNMAL NAEEVNELSG NTITTLFFTH CITKFIYLA VNQKNFYRTL NIWNQVNTHP LFAESDARYH SIALAKMRKL FFLVMLTTVA SATAWTTITF FGDSVKMVVD H ETNSSIPV EIPRLPIKSF YPWNASHGMF YMISFAFQIY YVLFSMIHSN LCDVMFCSWL IFACEQLQHL KGIMKPLMEL SA SLDTYRP NSAALFRSLS ANSKSELIHN EEKDPGTDMD MSGIYSSKAD WGAQFRAPST LQSFGGNGGG GNGLVNGANP NGL TKKQEM MVRSAIKYWV ERHKHVVRLV AAIGDTYGAA LLLHMLTSTI KLTLLAYQAT KINGVNVYAF TVVGYLGYAL AQVF HFCIF GNRLIEESSS VMEAAYSCHW YDGSEEAKTF VQIVCQQCQK AMSISGAKFF TVSLDLFASV LGAVVTYFMV LVQLK

UniProtKB: Odorant receptor coreceptor

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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
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K2 QUANTUM (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.6 µm / Nominal defocus min: 0.8 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: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.1) / Number images used: 234510
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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