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- EMDB-35186: Cryo-EM structure of 5-subunit Smc5/6 head region -

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Basic information

Entry
Database: EMDB / ID: EMD-35186
TitleCryo-EM structure of 5-subunit Smc5/6 head region
Map data
Sample
  • Complex: Cryo-EM structure of 5-subunit Smc5/6 head region
    • Protein or peptide: Structural maintenance of chromosomes protein 5
    • Protein or peptide: Structural maintenance of chromosomes protein 6
    • Protein or peptide: DNA repair protein KRE29
    • Protein or peptide: Non-structural maintenance of chromosome element 5
KeywordsCELL CYCLE
Function / homology
Function and homology information


Smc5-Smc6 complex / resolution of DNA recombination intermediates / DNA double-strand break attachment to nuclear envelope / chromosome separation / SUMOylation of DNA damage response and repair proteins / chromatin looping / recombinational repair / regulation of telomere maintenance / protein sumoylation / double-strand break repair via homologous recombination ...Smc5-Smc6 complex / resolution of DNA recombination intermediates / DNA double-strand break attachment to nuclear envelope / chromosome separation / SUMOylation of DNA damage response and repair proteins / chromatin looping / recombinational repair / regulation of telomere maintenance / protein sumoylation / double-strand break repair via homologous recombination / site of double-strand break / single-stranded DNA binding / chromosome, telomeric region / damaged DNA binding / DNA repair / ATP hydrolysis activity / mitochondrion / ATP binding / nucleus / cytoplasm
Similarity search - Function
DNA repair protein Nse5/Nse6 / DNA repair proteins Nse5 and Nse6 / Structural maintenance of chromosomes protein 5 / Rad50/SbcC-type AAA domain / AAA domain / RecF/RecN/SMC, N-terminal / RecF/RecN/SMC N terminal domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
DNA repair protein KRE29 / Non-structural maintenance of chromosome element 5 / Structural maintenance of chromosomes protein 5 / Structural maintenance of chromosomes protein 6
Similarity search - Component
Biological speciesSaccharomyces cerevisiae S288c (yeast) / Saccharomyces cerevisiae S288C (yeast)
Methodsingle particle reconstruction / cryo EM / Resolution: 6.01 Å
AuthorsQian L / Jun Z / Xiang Z / Zhaoning W / Cheng T / Duo J / Zhenguo C / Wang L
Funding support1 items
OrganizationGrant numberCountry
Other government
CitationJournal: Nat.Struct.Mol.Biol. / Year: 2024
Title: Cryo-EM structures of Smc5/6 in multiple states reveal its assembly and functional mechanisms.
Authors: Qian L / Jun Z / Xiang Z / Wang Z / Tong C / Duo J / Zhenguo C / Wang L
History
DepositionJan 21, 2023-
Header (metadata) releaseJun 26, 2024-
Map releaseJun 26, 2024-
UpdateJun 26, 2024-
Current statusJun 26, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_35186.png

Downloads & links

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Map

FileDownload / File: emd_35186.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
2.13 Å/pix.
x 320 pix.
= 680.96 Å		2.13 Å/pix.
x 320 pix.
= 680.96 Å		2.13 Å/pix.
x 320 pix.
= 680.96 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 2.128 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.2
Minimum - Maximum-4.40183 - 8.253743999999999
Average (Standard dev.)-0.0008539376 (±0.051859654)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 680.96 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_35186_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_35186_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Cryo-EM structure of 5-subunit Smc5/6 head region

EntireName: Cryo-EM structure of 5-subunit Smc5/6 head region
Components
  • Complex: Cryo-EM structure of 5-subunit Smc5/6 head region
    • Protein or peptide: Structural maintenance of chromosomes protein 5
    • Protein or peptide: Structural maintenance of chromosomes protein 6
    • Protein or peptide: DNA repair protein KRE29
    • Protein or peptide: Non-structural maintenance of chromosome element 5

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Supramolecule #1: Cryo-EM structure of 5-subunit Smc5/6 head region

SupramoleculeName: Cryo-EM structure of 5-subunit Smc5/6 head region / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Saccharomyces cerevisiae S288c (yeast) / Strain: S288c

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Macromolecule #1: Structural maintenance of chromosomes protein 5

MacromoleculeName: Structural maintenance of chromosomes protein 5 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288C (yeast) / Strain: S288c
Molecular weightTheoretical: 126.237164 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MTSLIDLGRY VERTHHGEDT EPRSKRVKIA KPDLSSFQPG SIIKIRLQDF VTYTLTEFNL SPSLNMIIGP NGSGKSTFVC AVCLGLAGK PEYIGRSKKV EDFIKNGQDV SKIEITLKNS PNVTDIEYID ARDETIKITR IITRSKRRSD YLINDYQVSE S VVKTLVAQ ...String:
MTSLIDLGRY VERTHHGEDT EPRSKRVKIA KPDLSSFQPG SIIKIRLQDF VTYTLTEFNL SPSLNMIIGP NGSGKSTFVC AVCLGLAGK PEYIGRSKKV EDFIKNGQDV SKIEITLKNS PNVTDIEYID ARDETIKITR IITRSKRRSD YLINDYQVSE S VVKTLVAQ LNIQLDNLCQ FLSQERVEEF ARLKSVKLLV ETIRSIDASL LDVLDELREL QGNEQSLQKD LDFKKAKIVH LR QESDKLR KSVESLRDFQ NKKGEIELHS QLLPYVKVKD HKEKLNIYKE EYERAKANLR AILKDKKPFA NTKKTLENQV EEL TEKCSL KTDEFLKAKE KINEIFEKLN TIRDEVIKKK NQNEYYRGRT KKLQATIIST KEDFLRSQEI LAQTHLPEKS VFED IDIKR KEIINKEGEI RDLISEIDAK ANAINHEMRS IQRQAESKTK SLTTTDKIGI LNQDQDLKEV RDAVLMVREH PEMKD KILE PPIMTVSAIN AQFAAYLAQC VDYNTSKALT VVDSDSYKLF ANPILDKFKV NLRELSSADT TPPVPAETVR DLGFEG YLS DFITGDKRVM KMLCQTSKIH TIPVSRRELT PAQIKKLITP RPNGKILFKR IIHGNRLVDI KQSAYGSKQV FPTDVSI KQ TNFYQGSIMS NEQKIRIENE IINLKNEYND RKSTLDALSN QKSGYRHELS ELASKNDDIN REAHQLNEIR KKYTMRKS T IETLREKLDQ LKREARKDVS QKIKDIDDQI QQLLLKQRHL LSKMASSMKS LKNCQKELIS TQILQFEAQN MDVSMNDVI GFFNEREADL KSQYEDKKKF VKEMRDTPEF QSWMREIRSY DQDTKEKLNK VAEKYEEEGN FNLSFVQDVL DKLESEIAMV NHDESAVTI LDQVTAELRE LEHTVPQQSK DLETIKAKLK EDHAVLEPKL DDIVSKISAR FARLFNNVGS AGAVRLEKPK D YAEWKIEI MVKFRDNAPL KKLDSHTQSG GERAVSTVLY MIALQEFTSA PFRVVDEINQ GMDSRNERIV HKAMVENACA EN TSQYFLI TPKLLTGLHY HEKMRIHCVM AGSWIPNPSE DPKMIHFGET SNYSFD

UniProtKB: Structural maintenance of chromosomes protein 5

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Macromolecule #2: Structural maintenance of chromosomes protein 6

MacromoleculeName: Structural maintenance of chromosomes protein 6 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288C (yeast) / Strain: S288c
Molecular weightTheoretical: 128.199727 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MISTTISGKR PIEQVDDELL SLTAQQENEE QQQQRKRRRH QFAPMTQFNS NTLDEDSGFR SSSDVATADQ DNFLEESPSG YIKKVILRN FMCHEHFELE LGSRLNFIVG NNGSGKSAIL TAITIGLGAK ASETNRGSSL KDLIREGCYS AKIILHLDNS K YGAYQQGI ...String:
MISTTISGKR PIEQVDDELL SLTAQQENEE QQQQRKRRRH QFAPMTQFNS NTLDEDSGFR SSSDVATADQ DNFLEESPSG YIKKVILRN FMCHEHFELE LGSRLNFIVG NNGSGKSAIL TAITIGLGAK ASETNRGSSL KDLIREGCYS AKIILHLDNS K YGAYQQGI FGNEIIVERI IKRDGPASFS LRSENGKEIS NKKKDIQTVV DYFSVPVSNP MCFLSQDAAR SFLTASTSQD KY SHFMKGT LLQEITENLL YASAIHDSAQ ENMALHLENL KSLKAEYEDA KKLLRELNQT SDLNERKMLL QAKSLWIDVA HNT DACKNL ENEISGIQQK VDEVTEKIRN RQEKIERYTS DGTTIEAQID AKVIYVNEKD SEHQNARELL RDVKSRFEKE KSNQ AEAQS NIDQGRKKVD ALNKTIAHLE EELTKEMGGD KDQMRQELEQ LEKANEKLRE VNNSLVVSLQ DVKNEERDIQ HERES ELRT ISRSIQNKKV ELQNIAKGND TFLMNFDRNM DRLLRTIEQR KNEFETPAIG PLGSLVTIRK GFEKWTRSIQ RAISSS LNA FVVSNPKDNR LFRDIMRSCG IRSNIPIVTY CLSQFDYSKG RAHGNYPTIV DALEFSKPEI ECLFVDLSRI ERIVLIE DK NEARNFLQRN PVNVNMALSL RDRRSGFQLS GGYRLDTVTY QDKIRLKVNS SSDNGTQYLK DLIEQETKEL QNIRDRYE E KLSEVRSRLK EIDGRLKSTK NEMRKTNFRM TELKMNVGKV VDTGILNSKI NERKNQEQAI ASYEAAKEEL GLKIEQIAQ EAQPIKEQYD STKLALVEAQ DELQQLKEDI NSRQSKIQKY KDDTIYYEDK KKVYLENIKK IEVNVAALKE GIQRQIQNAC AFCSKERIE NVDLPDTQEE IKRELDKVSR MIQKAEKSLG LSQEEVIALF EKCRNKYKEG QKKYMEIDEA LNRLHNSLKA R DQNYKNAE KGTCFDADMD FRASLKVRKF SGNLSFIKDT KSLEIYILTT NDEKARNVDT LSGGEKSFSQ MALLLATWKP MR SRIIALD EFDVFMDQVN RKIGTTLIVK KLKDIARTQT IIITPQDIGK IADIDSSGVS IHRMRDPERQ NNSNFYN

UniProtKB: Structural maintenance of chromosomes protein 6

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Macromolecule #3: DNA repair protein KRE29

MacromoleculeName: DNA repair protein KRE29 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288C (yeast) / Strain: S288c
Molecular weightTheoretical: 53.836758 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGSVNSSPNE EFETVPDSQI SGFDSPLIPT SVGSYFRDDD DDEKVHPNFI SDPENDSLNS DEEFSSLENS DLNLSGAKAE SGDDFDPIL KRTIISKRKA PSNNEDEEIV KTPRKLVNYV PLKIFNLGDS FDDTITTTVA KLQDLKKEIL DSPRSNKSIV I TSNTVAKS ...String:
MGSVNSSPNE EFETVPDSQI SGFDSPLIPT SVGSYFRDDD DDEKVHPNFI SDPENDSLNS DEEFSSLENS DLNLSGAKAE SGDDFDPIL KRTIISKRKA PSNNEDEEIV KTPRKLVNYV PLKIFNLGDS FDDTITTTVA KLQDLKKEIL DSPRSNKSIV I TSNTVAKS ELQKSIKFSG SIPEIYLDVV TKETISDKYK DWHFISKNCH YEQLMDLEMK DTAYSFLFGS SRSQGKVPEF VH LKCPSIT NLLVLFGVNQ EKCNSLKINY EKKENSRYDN LCTIFPVNKM LKFLMYFYSD DDNDDVREFF LKAFICLILD RKV FNAMES DHRLCFKVLE LFNEAHFINS YFEIVDKNDF FLHYRLLQIF PHLQSALLRR RFSEKQGRTE TIQQNIIKEF NEFF DCKNY KNLLYFILTM YGSKFIPFGP KCQVTEYFKD CILDISNETT NDVEISILKG ILNLFSKIR

UniProtKB: DNA repair protein KRE29

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Macromolecule #4: Non-structural maintenance of chromosome element 5

MacromoleculeName: Non-structural maintenance of chromosome element 5 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae S288C (yeast)
Molecular weightTheoretical: 64.079609 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MDGALINSVL YVSPRNGAHY FVELTEKHLL AFEMLNSMCL LENYDHVLLF LECQFGKSHN LAVIPFDIIL VLFTLSTLSE YYKEPILRA NDPYNTSRET LSRRALKLLQ KYLAILKEFD SEQYNLYDLE LLRCQFFLAI DTLTPKKQKW GFDRFRRTKS E SGVTYRQN ...String:
MDGALINSVL YVSPRNGAHY FVELTEKHLL AFEMLNSMCL LENYDHVLLF LECQFGKSHN LAVIPFDIIL VLFTLSTLSE YYKEPILRA NDPYNTSRET LSRRALKLLQ KYLAILKEFD SEQYNLYDLE LLRCQFFLAI DTLTPKKQKW GFDRFRRTKS E SGVTYRQN ASVDPELDQA KTFKNPYRSY ISCLEQRNTI LGNRLLNLKL NEPGEFINMI LWTLSNSLQE STPLFLSSHE IW MPLLEIL IDLFSCRQDY FIQHEVAQNV SKSLFVQRLS ESPLAVFFES LNTRNFANRF SEYVFLNCDY KLPSDNYATP VHP VYNGEN TIVDTYIPTI KCSPLYKSQK SLALRRKLIG SCFKLLLRVP DGHRLITPRI VADDVIQGIS RTLASFNDIL QFKK FFMTE NLSQESYFIP LLAEGTLSEI LKDTQECVVI LTLVENLSDG VSFCNEVIGL VKSKCFAFTE QCSQASYEEA VLNIE KCDV CLLVLLRYLL HLIGTEAILD AKEQLEMLHA IEKNDSGRRQ WAKALNLGND PPLLYPIVSQ MFGVHDKSVI IE

UniProtKB: Non-structural maintenance of chromosome element 5

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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

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: DARK FIELD / Nominal defocus max: 2.2 µm / Nominal defocus min: 1.2 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 6.01 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 110586
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING

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