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- EMDB-47836: Composite map for the structure of Coronin-7 CA bound to Arp2/3 c... -

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Basic information

Entry
Database: EMDB / ID: EMD-47836
TitleComposite map for the structure of Coronin-7 CA bound to Arp2/3 complex
Map datacomposite map used for refinement
Sample
  • Complex: Structure of Coronin-7 CA bound to Arp2/3 complex
    • Protein or peptide: Actin-related protein 3
    • Protein or peptide: Actin-related protein 2
    • Protein or peptide: Actin-related protein 2/3 complex subunit 1A
    • Protein or peptide: Actin-related protein 2/3 complex subunit 2
    • Protein or peptide: Actin-related protein 2/3 complex subunit 3
    • Protein or peptide: Actin-related protein 2/3 complex subunit 4
    • Protein or peptide: Actin-related protein 2/3 complex subunit 5
    • Protein or peptide: Coronin-7
  • Ligand: ADENOSINE-5'-TRIPHOSPHATE
  • Ligand: MAGNESIUM ION
Keywordscytoskeleton / actin / cell motility / PROTEIN BINDING
Function / homology
Function and homology information


muscle cell projection membrane / EPHB-mediated forward signaling / Regulation of actin dynamics for phagocytic cup formation / RHO GTPases Activate WASPs and WAVEs / Arp2/3 protein complex / Arp2/3 complex-mediated actin nucleation / positive regulation of hippo signaling / Golgi to endosome transport / regulation of actin filament polymerization / Clathrin-mediated endocytosis ...muscle cell projection membrane / EPHB-mediated forward signaling / Regulation of actin dynamics for phagocytic cup formation / RHO GTPases Activate WASPs and WAVEs / Arp2/3 protein complex / Arp2/3 complex-mediated actin nucleation / positive regulation of hippo signaling / Golgi to endosome transport / regulation of actin filament polymerization / Clathrin-mediated endocytosis / Neutrophil degranulation / establishment of cell polarity / positive regulation of actin filament polymerization / Golgi organization / cilium assembly / positive regulation of double-strand break repair via homologous recombination / positive regulation of lamellipodium assembly / actin filament polymerization / positive regulation of substrate adhesion-dependent cell spreading / cell projection / trans-Golgi network / structural constituent of cytoskeleton / actin filament binding / synaptic vesicle membrane / cell migration / protein transport / lamellipodium / site of double-strand break / actin binding / cytoplasmic vesicle / cell cortex / postsynapse / neuron projection / endosome / Golgi membrane / focal adhesion / glutamatergic synapse / Golgi apparatus / positive regulation of transcription by RNA polymerase II / nucleoplasm / ATP binding / nucleus / membrane / cytoplasm / cytosol
Similarity search - Function
Domain of unknown function DUF1899 / Coronin / Domain of unknown function (DUF1899) / Type of WD40 repeat / DUF1899 / DUF1900 / Actin-related protein 2/3 complex subunit 5 / ARP2/3 complex 16 kDa subunit (p16-Arc) / Actin-related protein 2/3 complex subunit 2 / Actin-related protein 2/3 complex subunit 3 ...Domain of unknown function DUF1899 / Coronin / Domain of unknown function (DUF1899) / Type of WD40 repeat / DUF1899 / DUF1900 / Actin-related protein 2/3 complex subunit 5 / ARP2/3 complex 16 kDa subunit (p16-Arc) / Actin-related protein 2/3 complex subunit 2 / Actin-related protein 2/3 complex subunit 3 / Actin-related protein 2/3 complex subunit 4 / Actin-related protein 2/3 complex subunit 1 / Arp2/3 complex subunit 2/4 / Actin-related protein 2/3 complex subunit 5 superfamily / Actin-related protein 2/3 complex subunit 3 superfamily / Arp2/3 complex, 34 kD subunit p34-Arc / ARP2/3 complex ARPC3 (21 kDa) subunit / ARP2/3 complex 20 kDa subunit (ARPC4) / Actin/actin-like conserved site / Actins and actin-related proteins signature. / Actin / Actin family / Actin / ATPase, nucleotide binding domain / WD domain, G-beta repeat / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily
Similarity search - Domain/homology
Actin-related protein 2 / Coronin-7 / Actin-related protein 3 / Actin-related protein 2/3 complex subunit 4 / Actin-related protein 2/3 complex subunit 1A / Actin-related protein 2/3 complex subunit 2 / Actin-related protein 2/3 complex subunit 5 / Actin-related protein 2/3 complex subunit 3
Similarity search - Component
Biological speciesBos taurus (domestic cattle) / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.97 Å
AuthorsFregoso FE / Barrie KR / Dominguez R
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM073791 United States
CitationJournal: To Be Published
Title: Coronin-7 is an Arp2/3 complex debrancher
Authors: Fregoso FE / Barrie KR / Saks AJ / Dominguez R
History
DepositionNov 11, 2024-
Header (metadata) releaseNov 19, 2025-
Map releaseNov 19, 2025-
UpdateNov 19, 2025-
Current statusNov 19, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_47836.png

Downloads & links

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Map

FileDownload / File: emd_47836.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationcomposite map used for refinement
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.86 Å/pix.
x 320 pix.
= 273.92 Å		0.86 Å/pix.
x 320 pix.
= 273.92 Å		0.86 Å/pix.
x 320 pix.
= 273.92 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.856 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.05
Minimum - Maximum-0.029156502 - 0.23135878
Average (Standard dev.)0.0021666223 (±0.006819041)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 273.92 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Structure of Coronin-7 CA bound to Arp2/3 complex

EntireName: Structure of Coronin-7 CA bound to Arp2/3 complex
Components
  • Complex: Structure of Coronin-7 CA bound to Arp2/3 complex
    • Protein or peptide: Actin-related protein 3
    • Protein or peptide: Actin-related protein 2
    • Protein or peptide: Actin-related protein 2/3 complex subunit 1A
    • Protein or peptide: Actin-related protein 2/3 complex subunit 2
    • Protein or peptide: Actin-related protein 2/3 complex subunit 3
    • Protein or peptide: Actin-related protein 2/3 complex subunit 4
    • Protein or peptide: Actin-related protein 2/3 complex subunit 5
    • Protein or peptide: Coronin-7
  • Ligand: ADENOSINE-5'-TRIPHOSPHATE
  • Ligand: MAGNESIUM ION

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Supramolecule #1: Structure of Coronin-7 CA bound to Arp2/3 complex

SupramoleculeName: Structure of Coronin-7 CA bound to Arp2/3 complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#8
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 230 KDa

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Macromolecule #1: Actin-related protein 3

MacromoleculeName: Actin-related protein 3 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 47.428031 KDa
SequenceString: MAGRLPACVV DCGTGYTKLG YAGNTEPQFI IPSCIAIKES AKVGDQAQRR VMKGVDDLDF FIGDEAIEKP TYATKWPIRH GIVEDWDLM ERFMEQVIFK YLRAEPEDHY FLLTEPPLNT PENREYTAEI MFESFNVPGL YIAVQAVLAL AASWTSRQVG E RTLTGTVI ...String:
MAGRLPACVV DCGTGYTKLG YAGNTEPQFI IPSCIAIKES AKVGDQAQRR VMKGVDDLDF FIGDEAIEKP TYATKWPIRH GIVEDWDLM ERFMEQVIFK YLRAEPEDHY FLLTEPPLNT PENREYTAEI MFESFNVPGL YIAVQAVLAL AASWTSRQVG E RTLTGTVI DSGDGVTHVI PVAEGYVIGS CIKHIPIAGR DITYFIQQLL RDREVGIPPE QSLETAKAVK ERYSYVCPDL VK EFNKYDT DGSKWIKQYT GINAISKKEF SIDVGYERFL GPEIFFHPEF ANPDFTQPIS EVVDEVIQNC PIDVRRPLYK NIV LSGGST MFRDFGRRLQ RDLKRTVDAR LKLSEELSGG RLKPKPIDVQ VITHHMQRYA VWFGGSMLAS TPEFYQVCHT KKDY EEIGP SICRHNPVFG VMS

UniProtKB: Actin-related protein 3

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Macromolecule #2: Actin-related protein 2

MacromoleculeName: Actin-related protein 2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 44.818711 KDa
SequenceString: MDSQGRKVVV CDNGTGFVKC GYAGSNFPEH IFPALVGRPI IRSTTKVGNI EIKDLMVGDE ASELRSMLEV NYPMENGIVR NWDDMKHLW DYTFGPEKLN IDTRNCKILL TEPPMNPTKN REKIVEVMFE TYQFSGVYVA IQAVLTLYAQ GLLTGVVVDS G DGVTHICP ...String:
MDSQGRKVVV CDNGTGFVKC GYAGSNFPEH IFPALVGRPI IRSTTKVGNI EIKDLMVGDE ASELRSMLEV NYPMENGIVR NWDDMKHLW DYTFGPEKLN IDTRNCKILL TEPPMNPTKN REKIVEVMFE TYQFSGVYVA IQAVLTLYAQ GLLTGVVVDS G DGVTHICP VYEGFSLPHL TRRLDIAGRD ITRYLIKLLL LRGYAFNHSA DFETVRMIKE KLCYVGYNIE QEQKLALETT VL VESYTLP DGRIIKVGGE RFEAPEALFQ PHLINVEGVG VAELLFNTIQ AADIDTRSEF YKHIVLSGGS TMYPGLPSRL ERE LKQLYL ERVLKGDVEK LSKFKIRIED PPRRKHMVFL GGAVLADIMK DKDNFWMTRQ EYQEKGVRVL EKLGVTVR

UniProtKB: Actin-related protein 2

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Macromolecule #3: Actin-related protein 2/3 complex subunit 1A

MacromoleculeName: Actin-related protein 2/3 complex subunit 1A / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 41.594238 KDa
SequenceString: MSLHQFLLEP ITCHAWNRDR TQIALSPNNH EVHIYKKNGG QWVKAHELKE HNGHITGIDW APKSDRIVTC GADRNAYVWS QKDGVWKPT LVILRINRAA TFVKWSPLEN KFAVGSGARL ISVCYFESEN DWWVSKHIKK PIRSTVLSLD WHPNNVLLAA G SCDFKCRV ...String:
MSLHQFLLEP ITCHAWNRDR TQIALSPNNH EVHIYKKNGG QWVKAHELKE HNGHITGIDW APKSDRIVTC GADRNAYVWS QKDGVWKPT LVILRINRAA TFVKWSPLEN KFAVGSGARL ISVCYFESEN DWWVSKHIKK PIRSTVLSLD WHPNNVLLAA G SCDFKCRV FSAYIKEVDE KPASTPWGSK MPFGQLMSEF GGSGTGGWVH GVSFSASGSR LAWVSHDSTV SVADASKSVQ VS TLKTEFL PLLSVSFVSE NSVVAAGHDC CPMLFNYDDR GCLTFVSKLD IPKQSIQRNM SAMERFRNMD KRATTEDRNT ALE TLHQNS ITQVSIYEVD KQDCRKFCTT GIDGAMTIWD FKTLESSIQG LRIM

UniProtKB: Actin-related protein 2/3 complex subunit 1A

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Macromolecule #4: Actin-related protein 2/3 complex subunit 2

MacromoleculeName: Actin-related protein 2/3 complex subunit 2 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 34.402043 KDa
SequenceString: MILLEVNNRI IEETLALKFE NAAAGNKPEA VEVTFADFDG VLYHISNPNG DKTKVMVSIS LKFYKELQAH GADELLKRVY GSYLVNPES GYNVSLLYDL ENLPASKDSI VHQAGMLKRN CFASVFEKYF QFQEEGKEGE NRAVIHYRDD ETMYVESKKD R VTVVFSTV ...String:
MILLEVNNRI IEETLALKFE NAAAGNKPEA VEVTFADFDG VLYHISNPNG DKTKVMVSIS LKFYKELQAH GADELLKRVY GSYLVNPES GYNVSLLYDL ENLPASKDSI VHQAGMLKRN CFASVFEKYF QFQEEGKEGE NRAVIHYRDD ETMYVESKKD R VTVVFSTV FKDDDDVVIG KVFMQEFKEG RRASHTAPQV LFSHREPPLE LKDTDAAVGD NIGYITFVLF PRHTNASARD NT INLIHTF RDYLHYHIKC SKAYIHTRMR AKTSDFLKVL NRARPDAEKK EMKTITGKTF SSR

UniProtKB: Actin-related protein 2/3 complex subunit 2

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Macromolecule #5: Actin-related protein 2/3 complex subunit 3

MacromoleculeName: Actin-related protein 2/3 complex subunit 3 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 20.572666 KDa
SequenceString:
MPAYHSSLMD PDTKLIGNMA LLPIRSQFKG PAPRETKDTD IVDEAIYYFK ANVFFKNYEI KNEADRTLIY ITLYISECLK KLQKCNSKS QGEKEMYTLG ITNFPIPGEP GFPLNAIYAK PANKQEDEVM RAYLQQLRQE TGLRLCEKVF DPQNDKPSKW W TCFVKRQF MNKSLSGPGQ

UniProtKB: Actin-related protein 2/3 complex subunit 3

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Macromolecule #6: Actin-related protein 2/3 complex subunit 4

MacromoleculeName: Actin-related protein 2/3 complex subunit 4 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 19.697047 KDa
SequenceString:
MTATLRPYLS AVRATLQAAL CLENFSSQVV ERHNKPEVEV RSSKELLLQP VTISRNEKEK VLIEGSINSV RVSIAVKQAD EIEKILCHK FMRFMMMRAE NFFILRRKPV EGYDISFLIT NFHTEQMYKH KLVDFVIHFM EEIDKEISEM KLSVNARARI V AEEFLKNF

UniProtKB: Actin-related protein 2/3 complex subunit 4

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Macromolecule #7: Actin-related protein 2/3 complex subunit 5

MacromoleculeName: Actin-related protein 2/3 complex subunit 5 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (domestic cattle)
Molecular weightTheoretical: 16.251308 KDa
SequenceString:
MSKNTVSSAR FRKVDVGEYD ENKFVDEEDG GDGQAGPDEG EVDSCLRQGN MTAALQAALK NPPINTKSQA VKDRAGSIVL KVLISFKAN DIEKAVQSLD KNGVDLLMKY IYKGFESPSD NSSAVLLQWH EKALAAGGVG SIVRVLTARK TV

UniProtKB: Actin-related protein 2/3 complex subunit 5

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Macromolecule #8: Coronin-7

MacromoleculeName: Coronin-7 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 4.380667 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
SDQQKKEELL NAMVAKLGNR EDPLPQDSFE GVDEDEWD

UniProtKB: Coronin-7

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Macromolecule #9: ADENOSINE-5'-TRIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-TRIPHOSPHATE / type: ligand / ID: 9 / Number of copies: 2 / Formula: ATP
Molecular weightTheoretical: 507.181 Da
Chemical component information

ChemComp-ATP:
ADENOSINE-5'-TRIPHOSPHATE / ATP, energy-carrying molecule*YM

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Macromolecule #10: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 10 / Number of copies: 2 / Formula: MG
Molecular weightTheoretical: 24.305 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
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 (6k 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: 4D-STEM / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.5 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: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.97 Å / Resolution method: FSC 0.143 CUT-OFF
Details: Please note that the map included in this submission is a composite map, and therefore does not have a single resolution or number of particles associated with it. The map was obtained by ...Details: Please note that the map included in this submission is a composite map, and therefore does not have a single resolution or number of particles associated with it. The map was obtained by combining multiple other maps (related entries, already deposited) that each have different resolutions and numbers of particles. Since the values indicated above are required, they reflect the consensus map (EMD-47408).
Number images used: 116851
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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