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- EMDB-56683: Structure of the human inner kinetochore CCAN and CENP-C bound to DNA -

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Basic information

Entry
Database: EMDB / ID: EMD-56683
TitleStructure of the human inner kinetochore CCAN and CENP-C bound to DNA
Map data
Sample
  • Complex: Structure of the human inner kinetochore CCAN and CENP-C bound to DNA
    • Protein or peptide: x 16 types
    • DNA: x 2 types
KeywordsCentromeres / Kinetochores / CELL CYCLE
Function / homology
Function and homology information


MGMT-mediated DNA damage reversal / FANCM-MHF complex / Mis6-Sim4 complex / positive regulation of protein localization to kinetochore / kinetochore organization / spindle attachment to meiosis I kinetochore / methylated-DNA-[protein]-cysteine S-methyltransferase / methylated-DNA-[protein]-cysteine S-methyltransferase activity / Fanconi anaemia nuclear complex / metaphase chromosome alignment ...MGMT-mediated DNA damage reversal / FANCM-MHF complex / Mis6-Sim4 complex / positive regulation of protein localization to kinetochore / kinetochore organization / spindle attachment to meiosis I kinetochore / methylated-DNA-[protein]-cysteine S-methyltransferase / methylated-DNA-[protein]-cysteine S-methyltransferase activity / Fanconi anaemia nuclear complex / metaphase chromosome alignment / kinetochore binding / sex differentiation / centromeric DNA binding / chordate embryonic development / DNA-methyltransferase activity / resolution of meiotic recombination intermediates / CENP-A containing chromatin assembly / negative regulation of epithelial cell apoptotic process / kinetochore assembly / condensed chromosome, centromeric region / attachment of mitotic spindle microtubules to kinetochore / inner kinetochore / DNA alkylation repair / positive regulation of double-strand break repair / mitotic sister chromatid segregation / replication fork processing / chromosome, centromeric region / chromosome organization / pericentric heterochromatin / interstrand cross-link repair / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Deposition of new CENPA-containing nucleosomes at the centromere / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / NRIF signals cell death from the nucleus / Resolution of Sister Chromatid Cohesion / positive regulation of epithelial cell proliferation / positive regulation of protein ubiquitination / mitotic spindle organization / methyltransferase activity / Fanconi Anemia Pathway / chromosome segregation / RHO GTPases Activate Formins / PKR-mediated signaling / kinetochore / centriolar satellite / nuclear matrix / Separation of Sister Chromatids / mitotic cell cycle / chromosome / actin cytoskeleton / midbody / methylation / cell adhesion / nuclear body / protein heterodimerization activity / cell division / DNA repair / apoptotic process / DNA damage response / chromatin binding / regulation of DNA-templated transcription / negative regulation of apoptotic process / chromatin / nucleolus / signal transduction / DNA binding / nucleoplasm / membrane / metal ion binding / identical protein binding / nucleus / cytoplasm / cytosol
Similarity search - Function
Centromere protein W / : / CENP-W protein / Centromere protein T / Centromere kinetochore component CENP-T, N-terminal domain / Centromere kinetochore component CENP-T N-terminus / Centromere subunit L / Centromere protein L / Centromere protein R / Centromere protein Q ...Centromere protein W / : / CENP-W protein / Centromere protein T / Centromere kinetochore component CENP-T, N-terminal domain / Centromere kinetochore component CENP-T N-terminus / Centromere subunit L / Centromere protein L / Centromere protein R / Centromere protein Q / Centromere protein P / Kinetochore component, CENP-R / CENP-Q, a CENPA-CAD centromere complex subunit / CENP-A-nucleosome distal (CAD) centromere subunit, CENP-P / Centromere protein H, C-terminal / Centromere protein Cenp-M / Centromere protein Cenp-K / Centromere protein H / Centromere protein H (CENP-H) / Centromere protein M (CENP-M) / Centromere-associated protein K / Centromere protein I / Mis6 / Centromere protein U / CENP-A nucleosome associated complex (NAC) subunit / Centromere protein X / CENP-S/Mhf1 / CENP-S associating Centromere protein X / CENP-S protein / CENP-C, middle DNMT3B-binding domain / Centromere assembly component CENP-C middle DNMT3B-binding region / Kinetochore assembly subunit CENP-C, N-terminal domain / Kinetochore assembly subunit CENP-C N-terminal / Centromere protein O / : / Cenp-O kinetochore centromere component / Mif2/CENP-C cupin domain / Centromere protein C/Mif2/cnp3 / Mif2/CENP-C like / Centromere protein Chl4/mis15/CENP-N / Kinetochore protein CHL4 like / Methylguanine DNA methyltransferase, ribonuclease-like domain / 6-O-methylguanine DNA methyltransferase, ribonuclease-like domain / Methylated DNA-protein cysteine methyltransferase domain superfamily / Methylated-DNA-[protein]-cysteine S-methyltransferase, active site / Methylated-DNA--protein-cysteine methyltransferase active site. / Methylated-DNA-[protein]-cysteine S-methyltransferase, DNA binding / Methylated DNA-protein cysteine methyltransferase, DNA binding domain / 6-O-methylguanine DNA methyltransferase, DNA binding domain / RmlC-like cupin domain superfamily / RmlC-like jelly roll fold / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / Histone-fold / Winged helix-like DNA-binding domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Centromere protein X / Methylated-DNA--protein-cysteine methyltransferase / Centromere protein C / Centromere protein R / Centromere protein W / Centromere protein P / Centromere protein U / Centromere protein Q / Centromere protein L / Centromere protein S ...Centromere protein X / Methylated-DNA--protein-cysteine methyltransferase / Centromere protein C / Centromere protein R / Centromere protein W / Centromere protein P / Centromere protein U / Centromere protein Q / Centromere protein L / Centromere protein S / Centromere protein I / Centromere protein T / Centromere protein N / Centromere protein K / Centromere protein O / Centromere protein H / Centromere protein M
Similarity search - Component
Biological speciesHomo sapiens (human) / Trichoplusia ni (cabbage looper)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.7 Å
AuthorsYu C / Barford D
Funding support United Kingdom, 2 items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_UP_120 United Kingdom
Cancer Research UKC576/A25675 United Kingdom
CitationJournal: Nat Commun / Year: 2026
Title: Models for the architecture of the human inner kinetochore on centromeric α-satellite CENP-A nucleosome arrays.
Authors: Cong Yu / Kyle W Muir / Jing Yang / Ziguo Zhang / Stephen H McLaughlin / David Barford /
Abstract: Human kinetochores assemble onto centromeric DNA comprising repetitive arrays of the 171 bp α-satellite sequence. To understand the higher-order architecture of the inner kinetochore assembled ...Human kinetochores assemble onto centromeric DNA comprising repetitive arrays of the 171 bp α-satellite sequence. To understand the higher-order architecture of the inner kinetochore assembled onto α-satellite arrays, we show cryo-EM structures of CCAN with free DNA, and α-satellite repeat monomers and dimers with CENP-A nucleosomes. CCAN bound to free DNA and a monomeric CENP-A nucleosome engages 70 bp of DNA comprising 30 bp of an upstream α-satellite repeat. This upstream DNA interacts with the histone-fold domain subunits of the CENP-TWSX module in a manner resembling how nucleosomes wrap DNA gyres. A complex of CCAN assembled onto a dimeric α-satellite repeat with two CENP-A nucleosomes shows that CCAN can only be accommodated on the linker DNA by unwrapping DNA from both the CENP-TWSX module and the upstream nucleosome. We discuss the implications of these results for models of CCAN assembly on arrays of α-satellite chromatin containing CENP-A nucleosomes.
History
DepositionFeb 11, 2026-
Header (metadata) releaseMay 20, 2026-
Map releaseMay 20, 2026-
UpdateMay 20, 2026-
Current statusMay 20, 2026Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_56683.png

Downloads & links

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Map

FileDownload / File: emd_56683.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
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AxesZ (Sec.)Y (Row.)X (Col.)
1.07 Å/pix.
x 400 pix.
= 428.8 Å		1.07 Å/pix.
x 400 pix.
= 428.8 Å		1.07 Å/pix.
x 400 pix.
= 428.8 Å

Surface

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1.072 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0759
Minimum - Maximum-2.543921 - 3.645637
Average (Standard dev.)0.0014380116 (±0.037362617)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 428.80002 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_56683_half_map_1.map
Projections & Slices
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Histogram (log scale)

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Half map: #2

Fileemd_56683_half_map_2.map
Projections & Slices
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Sample components

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Entire : Structure of the human inner kinetochore CCAN and CENP-C bound to DNA

EntireName: Structure of the human inner kinetochore CCAN and CENP-C bound to DNA
Components
  • Complex: Structure of the human inner kinetochore CCAN and CENP-C bound to DNA
    • Protein or peptide: Centromere protein M
    • Protein or peptide: Centromere protein S
    • Protein or peptide: Methylated-DNA--protein-cysteine methyltransferase,Centromere protein T
    • Protein or peptide: Centromere protein U
    • DNA: DNA (59-MER)
    • Protein or peptide: Centromere protein W
    • Protein or peptide: Centromere protein X
    • DNA: DNA (61-MER)
    • Protein or peptide: Centromere protein H
    • Protein or peptide: Centromere protein I
    • Protein or peptide: Centromere protein K
    • Protein or peptide: Centromere protein L
    • Protein or peptide: Centromere protein N
    • Protein or peptide: Centromere protein O
    • Protein or peptide: Centromere protein P
    • Protein or peptide: Centromere protein Q
    • Protein or peptide: Centromere protein R
    • Protein or peptide: Centromere protein C,Methylated-DNA--protein-cysteine methyltransferase

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Supramolecule #1: Structure of the human inner kinetochore CCAN and CENP-C bound to DNA

SupramoleculeName: Structure of the human inner kinetochore CCAN and CENP-C bound to DNA
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#18
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Centromere protein M

MacromoleculeName: Centromere protein M / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 19.761945 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MSVLRPLDKL PGLNTATILL VGTEDALLQQ LADSMLKEDC ASELKVHLAK SLPLPSSVNR PRIDLIVFVV NLHSKYSLQN TEESLRHVD ASFFLGKVCF LATGAGRESH CSIHRHTVVK LAHTYQSPLL YCDLEVEGFR ATMAQRLVRV LQICAGHVPG V SALNLLSL LRSSEGPSLE DL

UniProtKB: Centromere protein M

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Macromolecule #2: Centromere protein S

MacromoleculeName: Centromere protein S / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 15.917875 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MEEEAETEEQ QRFSYQQRLK AAVHYTVGCL CEEVALDKEM QFSKQTIAAI SELTFRQCEN FAKDLEMFAR HAKRTTINTE DVKLLARRS NSLLKYITDK SEEIAQINLE RKAQKKKKSE DGSKNSRQPA EAGVVESEN

UniProtKB: Centromere protein S

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Macromolecule #3: Methylated-DNA--protein-cysteine methyltransferase,Centromere pro...

MacromoleculeName: Methylated-DNA--protein-cysteine methyltransferase,Centromere protein T
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
EC number: methylated-DNA-[protein]-cysteine S-methyltransferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 84.06768 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MSYYHHHHHH DYDIPTTENL YFQGMDKDCE MKRTTLDSPL GKLELSGCEQ GLHRIIFLGK GTSAADAVEV PAPAAVLGGP EPLMQATAW LNAYFHQPEA IEEFPVPALH HPVFQQESFT RQVLWKLLKV VKFGEVISYS HLAALAGNPA ATAAVKTALS G NPVPILIP ...String:
MSYYHHHHHH DYDIPTTENL YFQGMDKDCE MKRTTLDSPL GKLELSGCEQ GLHRIIFLGK GTSAADAVEV PAPAAVLGGP EPLMQATAW LNAYFHQPEA IEEFPVPALH HPVFQQESFT RQVLWKLLKV VKFGEVISYS HLAALAGNPA ATAAVKTALS G NPVPILIP CHRVVQGDLD VGGYEGGLAV KEWLLAHEGH RLGKPGLGSD LEVLFQGPMA DHNPDSDSTP RTLLRRVLDT AD PRTPRRP RSARAGARRA LLETASPRKL SGQTRTIARG RSHGARSVGR SAHIQASGHL EEQTPRTLLK NILLTAPESS ILM PESVVK PVPAPQAVQP SRQESSCGSL ELQLPELEPP TTLAPGLLAP GRRKQRLRLS VFQQGVDQGL SLSQEPQGNA DASS LTRSL NLTFATPLQP QSVQRPGLAR RPPARRAVDV GAFLRDLRDT SLAPPNIVLE DTQPFSQPMV GSPNVYHSLP CTPHT GAED AEQAAGRKTQ SSGPGLQKNS PGKPAQFLAG EAEEVNAFAL GFLSTSSGVS GEDEVEPLHD GVEEAEKKME EEGVSV SEM EATGAQGPSR VEEAEGHTEV TEAEGSQGTA EADGPGASSG DEDASGRAAS PESASSTPES LQARRHHQFL EPAPAPG AA VLSSEPAEPL LVRHPPRPRT TGPRPRQDPH KAGLSHYVKL FSFYAKMPME RKALEMVEKC LDKYFQHLCD DLEVFAAH A GRKTVKPEDL ELLMRRQGLV TDQVSLHVLV ERHLPLEYRQ LLIPCAYSGN SVFPAQ

UniProtKB: Methylated-DNA--protein-cysteine methyltransferase, Centromere protein T

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Macromolecule #4: Centromere protein U

MacromoleculeName: Centromere protein U / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.484873 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MKTSDIKELN IVLPEFEKTH LEHQQRIESK VCKAAIATFY VNVKEQFIKM LKESQMLTNL KRKNAKMISD IEKKRQRMIE VQDELLRLE PQLKQLQTKY DELKERKSSL RNAAYFLSNL KQLYQDYSDV QAQEPNVKET YDSSSLPALL FKARTLLGAE S HLRNINHQ ...String:
MKTSDIKELN IVLPEFEKTH LEHQQRIESK VCKAAIATFY VNVKEQFIKM LKESQMLTNL KRKNAKMISD IEKKRQRMIE VQDELLRLE PQLKQLQTKY DELKERKSSL RNAAYFLSNL KQLYQDYSDV QAQEPNVKET YDSSSLPALL FKARTLLGAE S HLRNINHQ LEKLLDQGEN LYFQSWSHPQ FEKGGGSGGG SGGGSWSHPQ FEK

UniProtKB: Centromere protein U

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Macromolecule #6: Centromere protein W

MacromoleculeName: Centromere protein W / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.087236 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MALSTIVSQR KQIKRKAPRG FLKRVFKRKK PQLRLEKSGD LLVHLNCLLF VHRLAEESRT NACASKCRVI NKEHVLAAAK VILKKSRG

UniProtKB: Centromere protein W

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Macromolecule #7: Centromere protein X

MacromoleculeName: Centromere protein X / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.972415 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MEGAGAGSGF RKELVSRLLH LHFKDDKTKV SGDALQLMVE LLKVFVVEAA VRGVRQAQAE DALRVDVDQL EKVLPQLLLD F

UniProtKB: Centromere protein X

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Macromolecule #9: Centromere protein H

MacromoleculeName: Centromere protein H / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.520941 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MEEQPQMQDA DEPADSGGEG RAGGPPQVAG AQAACSEDRM TLLLRLRAQT KQQLLEYKSM VDASEEKTPE QIMQEKQIEA KIEDLENEI EEVKVAFEIK KLALDRMRLS TALKKNLEKI SRQSSVLMDN MKHLLELNKL IMKSQQESWD LEEKLLDIRK K RLQLKQAS ...String:
MEEQPQMQDA DEPADSGGEG RAGGPPQVAG AQAACSEDRM TLLLRLRAQT KQQLLEYKSM VDASEEKTPE QIMQEKQIEA KIEDLENEI EEVKVAFEIK KLALDRMRLS TALKKNLEKI SRQSSVLMDN MKHLLELNKL IMKSQQESWD LEEKLLDIRK K RLQLKQAS ESKLLEIQTE KNKQKIDLDS MENSERIKII RQNLQMEIKI TTVIQHVFQN LILGSKVNWA EDPALKEIVL QL EKNVDMM

UniProtKB: Centromere protein H

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Macromolecule #10: Centromere protein I

MacromoleculeName: Centromere protein I / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 87.615031 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MSPQKRVKNV QAQNRTSQGS SSFQTTLSAW KVKQDPSNSK NISKHGQNNP VGDYEHADDQ AEEDALQMAV GYFEKGPIKA SQNKDKTLE KHLKTVENVA WKNGLASEEI DILLNIALSG KFGNAVNTRI LKCMIPATVI SEDSVVKAVS WLCVGKCSGS T KVLFYRWL ...String:
MSPQKRVKNV QAQNRTSQGS SSFQTTLSAW KVKQDPSNSK NISKHGQNNP VGDYEHADDQ AEEDALQMAV GYFEKGPIKA SQNKDKTLE KHLKTVENVA WKNGLASEEI DILLNIALSG KFGNAVNTRI LKCMIPATVI SEDSVVKAVS WLCVGKCSGS T KVLFYRWL VAMFDFIDRK EQINLLYGFF FASLQDDALC PYVCHLLYLL TKKENVKPFR VRKLLDLQAK MGMQPHLQAL LS LYKFFAP ALISVSLPVR KKIYFKNSEN LWKTALLAVK QRNRGPSPEP LKLMLGPANV RPLKRKWNSL SVIPVLNSSS YTK ECGKKE MSLSDCLNRS GSFPLEQLQS FPQLLQNIHC LELPSQMGSV LNNSLLLHYI NCVRDEPVLL RFYYWLSQTL QEEC IWYKV NNYEHGKEFT NFLDTIIRAE CFLQEGFYSC EAFLYKSLPL WDGLCCRSQF LQLVSWIPFS SFSEVKPLLF DHLAQ LFFT STIYFKCSVL QSLKELLQNW LLWLSMDIHM KPVTNSPLET TLGGSMNSVS KLIHYVGWLS TTAMRLESNN TFLLHF ILD FYEKVCDIYI NYNLPLVVLF PPGIFYSALL SLDTSILNQL CFIMHRYRKN LTAAKKNELV QKTKSEFNFS SKTYQEF NH YLTSMVGCLW TSKPFGKGIY IDPEILEKTG VAEYKNSLNV VHHPSFLSYA VSFLLQESPE ERTVNVSSIR GKKWSWYL D YLFSQGLQGL KLFIRSSVHH SSIPRAEGIN CNNQYENLYF Q

UniProtKB: Centromere protein I

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Macromolecule #11: Centromere protein K

MacromoleculeName: Centromere protein K / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 31.69607 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MNQEDLDPDS TTDVGDVTNT EEELIRECEE MWKDMEECQN KLSLIGTETL TDSNAQLSLL IMQVKCLTAE LSQWQKKTPE TIPLTEDVL ITLGKEEFQK LRQDLEMVLS TKESKNEKLK EDLEREQRWL DEQQQIMESL NVLHSELKNK VETFSESRIF N ELKTKMLN ...String:
MNQEDLDPDS TTDVGDVTNT EEELIRECEE MWKDMEECQN KLSLIGTETL TDSNAQLSLL IMQVKCLTAE LSQWQKKTPE TIPLTEDVL ITLGKEEFQK LRQDLEMVLS TKESKNEKLK EDLEREQRWL DEQQQIMESL NVLHSELKNK VETFSESRIF N ELKTKMLN IKEYKEKLLS TLGEFLEDHF PLPDRSVKKK KKNIQESSVN LITLHEMLEI LINRLFDVPH DPYVKISDSF WP PYVELLL RNGIALRHPE DPTRIRLEAF HQ

UniProtKB: Centromere protein K

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Macromolecule #12: Centromere protein L

MacromoleculeName: Centromere protein L / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.364016 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: GPLGMDSYSA PESTPSASSR PEDYFIGATP LQKRLESVRK QSSFILTPPR RKIPQCSQLQ EDVDPQKVAF LLHKQWTLYS LTPLYKFSY SNLKEYSRLL NAFIVAEKQK GLAVEVGEDF NIKVIFSTLL GMKGTQRDPE AFLVQIVSKS QLPSENREGK V LWTGWFCC ...String:
GPLGMDSYSA PESTPSASSR PEDYFIGATP LQKRLESVRK QSSFILTPPR RKIPQCSQLQ EDVDPQKVAF LLHKQWTLYS LTPLYKFSY SNLKEYSRLL NAFIVAEKQK GLAVEVGEDF NIKVIFSTLL GMKGTQRDPE AFLVQIVSKS QLPSENREGK V LWTGWFCC VFGDSLLETV SEDFTCLPLF LANGAESNTA IIGTWFQKTF DCYFSPLAIN AFNLSWMAAM WTACKMDHYV AT TEFLWSV PCSPQSLDIS FAIHPEDAKA LWDSVHKTPG EVTQEEVDLF MDCLYSHFHR HFKIHLSATR LVRVSTSVAS AHT DGKIKI LCHKYLIGVL AYLTELAIFQ IE

UniProtKB: Centromere protein L

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Macromolecule #13: Centromere protein N

MacromoleculeName: Centromere protein N / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.541574 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MDETVAEFIK RTILKIPMNE LTTILKAWDF LSENQLQTVN FRQRKESVVQ HLIHLCEEKR ASISDAALLD IIYMQFHQHQ KVWEVFQMS KGPGEDVDLF DMKQFKNSFK KILQRALKNV TVSFRETEEN AVWIRIAWGT QYTKPNQYKP TYVVYYSQTP Y AFTSSSML ...String:
MDETVAEFIK RTILKIPMNE LTTILKAWDF LSENQLQTVN FRQRKESVVQ HLIHLCEEKR ASISDAALLD IIYMQFHQHQ KVWEVFQMS KGPGEDVDLF DMKQFKNSFK KILQRALKNV TVSFRETEEN AVWIRIAWGT QYTKPNQYKP TYVVYYSQTP Y AFTSSSML RRNTPLLGQA LTIASKHHQI VKMDLRSRYL DSLKAIVFKQ YNQTFETHNS TTPLQERSLG LDINMDSRII HE NIVEKER VQRITQETFG DYPQPQLEFA QYKLETKFKS GLNGSILAER EEPLRCLIKF SSPHLLEALK SLAPAGIADA PLS PLLTCI PNKRMNYFKI RDKSDLEVLF Q

UniProtKB: Centromere protein N

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Macromolecule #14: Centromere protein O

MacromoleculeName: Centromere protein O / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 33.830637 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MEQANPLRPD GESKGGVLAH LERLETQVSR SRKQSEELQS VQAQEGALGT KIHKLRRLRD ELRAVVRHRR ASVKACIANV EPNQTVEIN EQEALEEKLE NVKAILQAYH FTGLSGKLTS RGVCVCISTA FEGNLLDSYF VDLVIQKPLR IHHHSVPVFI P LEEIAAKY ...String:
MEQANPLRPD GESKGGVLAH LERLETQVSR SRKQSEELQS VQAQEGALGT KIHKLRRLRD ELRAVVRHRR ASVKACIANV EPNQTVEIN EQEALEEKLE NVKAILQAYH FTGLSGKLTS RGVCVCISTA FEGNLLDSYF VDLVIQKPLR IHHHSVPVFI P LEEIAAKY LQTNIQHFLF SLCEYLNAYS GRKYQADRLQ SDFAALLTGP LQRNPLCNLL SFTYKLDPGG QSFPFCARLL YK DLTATLP TDVTVTCQGV EVLSTSWEEQ RASHETLFCT KPLHQVFASF TRKGEKLDMS LVS

UniProtKB: Centromere protein O

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Macromolecule #15: Centromere protein P

MacromoleculeName: Centromere protein P / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 33.210949 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MDAELAEVRA LQAEIAALRR ACEDPPAPWE EKSRVQKSFQ AIHQFNLEGW KSSKDLKNQL GHLESELSFL STLTGINIRN HSKQTEDLT STEMTEKSIR KVLQRHRLSG NCHMVTFQLE FQILEIQNKE RLSSAVTDLN IIMEPTECSE LSEFVSRAEE R KDLFMFFR ...String:
MDAELAEVRA LQAEIAALRR ACEDPPAPWE EKSRVQKSFQ AIHQFNLEGW KSSKDLKNQL GHLESELSFL STLTGINIRN HSKQTEDLT STEMTEKSIR KVLQRHRLSG NCHMVTFQLE FQILEIQNKE RLSSAVTDLN IIMEPTECSE LSEFVSRAEE R KDLFMFFR SLHFFVEWFE YRKRTFKHLK EKYPDAVYLS EGPSSCSMGI RSASRPGFEL VIVWRIQIDE DGKVFPKLDL LT KVPQRAL ELDKNRAIET APLSFRTLVG LLGIEAALES LIKSLCAEEN N

UniProtKB: Centromere protein P

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Macromolecule #16: Centromere protein Q

MacromoleculeName: Centromere protein Q / type: protein_or_peptide / ID: 16 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Trichoplusia ni (cabbage looper)
Molecular weightTheoretical: 24.634549 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MTKHTNLKHG KTAASKRKTW QPLSKSTRDH LQTMMESVIM TILSNSIKEK EEIQYHLNFL KKRLLQQCET LKVPPKKMED LTNVSSLLN MERARDKANE EGLALLQEEI DKMVETTELM TGNIQSLKNK IQILASEVEE EEERVKQMHQ INSSGVLSLP E LSQKTLKA ...String:
MTKHTNLKHG KTAASKRKTW QPLSKSTRDH LQTMMESVIM TILSNSIKEK EEIQYHLNFL KKRLLQQCET LKVPPKKMED LTNVSSLLN MERARDKANE EGLALLQEEI DKMVETTELM TGNIQSLKNK IQILASEVEE EEERVKQMHQ INSSGVLSLP E LSQKTLKA PTLQKEILAL IPNQNALLKD LDILHNSSQM KSMSTFIEEA YKKLDAS

UniProtKB: Centromere protein Q

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Macromolecule #17: Centromere protein R

MacromoleculeName: Centromere protein R / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 20.228297 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString:
MPVKRSLKLD GLLEENSFDP SKITRKKSVI TYSPTTGTCQ MSLFASPTSS EEQKHRNGLS NEKRKKLNHP SLTESKESTT KDNDEFMML LSKVEKLSEE IMEIMQNLSS IQALEGSREL ENLIGISCAS HFLKREMQKT KELMTKVNKQ KLFEKSTGLP H KASRHLDS YEFLKAILN

UniProtKB: Centromere protein R

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Macromolecule #18: Centromere protein C,Methylated-DNA--protein-cysteine methyltrans...

MacromoleculeName: Centromere protein C,Methylated-DNA--protein-cysteine methyltransferase
type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
EC number: methylated-DNA-[protein]-cysteine S-methyltransferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 86.473102 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MAASGLDHLK NGYRRRFCRP SRARDINTEQ GQNVLEILQD CFEEKSLAND FSTNSTKSVP NSTRKIKDTC IQSPSKECQK SHPKSVPVS SKKKEASLQF VVEPSEATNR SVQAHEVHQK ILATDVSSKN TPDSKKISSR NINDHHSEAD EEFYLSVGSP S VLLDAKTS ...String:
MAASGLDHLK NGYRRRFCRP SRARDINTEQ GQNVLEILQD CFEEKSLAND FSTNSTKSVP NSTRKIKDTC IQSPSKECQK SHPKSVPVS SKKKEASLQF VVEPSEATNR SVQAHEVHQK ILATDVSSKN TPDSKKISSR NINDHHSEAD EEFYLSVGSP S VLLDAKTS VSQNVIPSSA QKRETYTFEN SVNMLPSSTE VSVKTKKRLN FDDKVMLKKI EIDNKVSDEE DKTSEGQERK PS GSSQNRI RDSEYEIQRQ AKKSFSTLFL ETVKRKSESS PIVRHAATAP PHSCPPDDTK LIEDEFIIDE SDQSFASRSW ITI PRKAGS LKQRTISPAE STALLQGRKS REKHHNILPK TLANDKHSHK PHPVETSQPS DKTVLDTSYA LIGETVNNYR STKY EMYSK NAEKPSRSKR TIKQKQRRKF MAKPAEEQLD VGQSKDENIH TSHITQDEFQ RNSDRNMEEH EEMGNDCVSK KQMPP VGSK KSSTRKDKEE SKKKRFSSES KNKLVPEEVT STVTKSRRIS RRPSDWWVVK SEESPVYSNS SDLEVLFQGP LGMDKD CEM KRTTLDSPLG KLELSGCEQG LHRIIFLGKG TSAADAVEVP APAAVLGGPE PLMQATAWLN AYFHQPEAIE EFPVPAL HH PVFQQESFTR QVLWKLLKVV KFGEVISYSH LAALAGNPAA TAAVKTALSG NPVPILIPCH RVVQGDLDVG GYEGGLAV K EWLLAHEGHR LGKPGLGENL YFQSSAWSHP QFEKGGGSGG GSGGSAWSHP QFEK

UniProtKB: Centromere protein C, Methylated-DNA--protein-cysteine methyltransferase

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Macromolecule #5: DNA (59-MER)

MacromoleculeName: DNA (59-MER) / type: dna / ID: 5 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 65.387695 KDa
SequenceString: (DC)(DA)(DT)(DA)(DC)(DT)(DC)(DT)(DT)(DT) (DT)(DT)(DG)(DT)(DA)(DG)(DT)(DA)(DT)(DC) (DT)(DG)(DC)(DA)(DA)(DG)(DT)(DG)(DG) (DA)(DC)(DA)(DT)(DT)(DC)(DG)(DG)(DA)(DG) (DC) (DA)(DC)(DT)(DT)(DT)(DG) ...String:
(DC)(DA)(DT)(DA)(DC)(DT)(DC)(DT)(DT)(DT) (DT)(DT)(DG)(DT)(DA)(DG)(DT)(DA)(DT)(DC) (DT)(DG)(DC)(DA)(DA)(DG)(DT)(DG)(DG) (DA)(DC)(DA)(DT)(DT)(DC)(DG)(DG)(DA)(DG) (DC) (DA)(DC)(DT)(DT)(DT)(DG)(DT)(DG) (DG)(DC)(DC)(DT)(DT)(DC)(DG)(DT)(DT)(DG) (DG)(DA) (DA)(DA)(DC)(DG)(DG)(DG)(DA) (DA)(DT)(DA)(DT)(DG)(DT)(DT)(DC)(DA)(DC) (DA)(DT)(DA) (DA)(DA)(DA)(DA)(DC)(DT) (DA)(DG)(DA)(DC)(DA)(DA)(DT)(DT)(DG)(DG) (DT)(DC)(DG)(DT) (DA)(DG)(DA)(DC)(DA) (DG)(DC)(DT)(DC)(DT)(DA)(DG)(DC)(DA)(DC) (DC)(DG)(DC)(DT)(DT) (DA)(DA)(DA)(DC) (DG)(DC)(DA)(DC)(DG)(DT)(DA)(DC)(DG)(DC) (DG)(DC)(DT)(DG)(DT)(DC) (DC)(DC)(DC) (DC)(DG)(DC)(DG)(DT)(DT)(DT)(DT)(DA)(DA) (DC)(DC)(DG)(DC)(DC)(DA)(DA) (DG)(DG) (DG)(DG)(DA)(DT)(DT)(DA)(DC)(DT)(DC)(DC) (DC)(DT)(DA)(DG)(DT)(DC)(DT)(DC) (DC) (DT)(DT)(DG)(DT)(DA)(DG)(DT)(DA)(DT)(DC) (DT)(DG)(DG)(DA)(DA)(DT)(DT)(DG)(DG) (DA)(DC)(DA)(DT)(DT)(DT)(DG)(DG)(DA)(DG) (DA)(DT)

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Macromolecule #8: DNA (61-MER)

MacromoleculeName: DNA (61-MER) / type: dna / ID: 8 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 65.508824 KDa
SequenceString: (DA)(DT)(DC)(DT)(DC)(DC)(DA)(DA)(DA)(DT) (DG)(DT)(DC)(DC)(DA)(DA)(DT)(DT)(DC)(DC) (DA)(DG)(DA)(DT)(DA)(DC)(DT)(DA)(DC) (DA)(DA)(DG)(DG)(DA)(DG)(DA)(DC)(DT)(DA) (DG) (DG)(DG)(DA)(DG)(DT)(DA) ...String:
(DA)(DT)(DC)(DT)(DC)(DC)(DA)(DA)(DA)(DT) (DG)(DT)(DC)(DC)(DA)(DA)(DT)(DT)(DC)(DC) (DA)(DG)(DA)(DT)(DA)(DC)(DT)(DA)(DC) (DA)(DA)(DG)(DG)(DA)(DG)(DA)(DC)(DT)(DA) (DG) (DG)(DG)(DA)(DG)(DT)(DA)(DA)(DT) (DC)(DC)(DC)(DC)(DT)(DT)(DG)(DG)(DC)(DG) (DG)(DT) (DT)(DA)(DA)(DA)(DA)(DC)(DG) (DC)(DG)(DG)(DG)(DG)(DG)(DA)(DC)(DA)(DG) (DC)(DG)(DC) (DG)(DT)(DA)(DC)(DG)(DT) (DG)(DC)(DG)(DT)(DT)(DT)(DA)(DA)(DG)(DC) (DG)(DG)(DT)(DG) (DC)(DT)(DA)(DG)(DA) (DG)(DC)(DT)(DG)(DT)(DC)(DT)(DA)(DC)(DG) (DA)(DC)(DC)(DA)(DA) (DT)(DT)(DG)(DT) (DC)(DT)(DA)(DG)(DT)(DT)(DT)(DT)(DT)(DA) (DT)(DG)(DT)(DG)(DA)(DA) (DC)(DA)(DT) (DA)(DT)(DT)(DC)(DC)(DC)(DG)(DT)(DT)(DT) (DC)(DC)(DA)(DA)(DC)(DG)(DA) (DA)(DG) (DG)(DC)(DC)(DA)(DC)(DA)(DA)(DA)(DG)(DT) (DG)(DC)(DT)(DC)(DC)(DG)(DA)(DA) (DT) (DG)(DT)(DC)(DC)(DA)(DC)(DT)(DT)(DG)(DC) (DA)(DG)(DA)(DT)(DA)(DC)(DT)(DA)(DC) (DA)(DA)(DA)(DA)(DA)(DG)(DA)(DG)(DT)(DA) (DT)(DG)

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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: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 40.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 1.0 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
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: 2.7 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.6) / Number images used: 1260362
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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