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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-11215 | |||||||||
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Title | Cryo-EM structure of DNA-PKcs:Ku80ct194 | |||||||||
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![]() | Kinase / DNA-PKcs / NHEJ / DNA-repair / DNA-PK / DNA BINDING PROTEIN / Ku80 | |||||||||
Function / homology | ![]() Ku70:Ku80 complex / positive regulation of platelet formation / negative regulation of t-circle formation / DNA end binding / T cell receptor V(D)J recombination / pro-B cell differentiation / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase complex / DNA-dependent protein kinase-DNA ligase 4 complex ...Ku70:Ku80 complex / positive regulation of platelet formation / negative regulation of t-circle formation / DNA end binding / T cell receptor V(D)J recombination / pro-B cell differentiation / small-subunit processome assembly / positive regulation of lymphocyte differentiation / DNA-dependent protein kinase complex / DNA-dependent protein kinase-DNA ligase 4 complex / immature B cell differentiation / cellular response to X-ray / nonhomologous end joining complex / immunoglobulin V(D)J recombination / regulation of smooth muscle cell proliferation / nuclear telomere cap complex / double-strand break repair via alternative nonhomologous end joining / Cytosolic sensors of pathogen-associated DNA / IRF3-mediated induction of type I IFN / telomere capping / regulation of epithelial cell proliferation / recombinational repair / regulation of hematopoietic stem cell differentiation / regulation of telomere maintenance / U3 snoRNA binding / protein localization to chromosome, telomeric region / cellular response to fatty acid / cellular hyperosmotic salinity response / positive regulation of neurogenesis / T cell lineage commitment / maturation of 5.8S rRNA / telomeric DNA binding / negative regulation of cGAS/STING signaling pathway / positive regulation of double-strand break repair via nonhomologous end joining / B cell lineage commitment / 2-LTR circle formation / hematopoietic stem cell proliferation / site of DNA damage / hematopoietic stem cell differentiation / ATP-dependent activity, acting on DNA / positive regulation of protein kinase activity / ectopic germ cell programmed cell death / telomere maintenance via telomerase / somitogenesis / negative regulation of protein phosphorylation / DNA helicase activity / mitotic G1 DNA damage checkpoint signaling / telomere maintenance / activation of innate immune response / enzyme activator activity / cellular response to leukemia inhibitory factor / positive regulation of erythrocyte differentiation / positive regulation of translation / neurogenesis / response to gamma radiation / small-subunit processome / peptidyl-threonine phosphorylation / Nonhomologous End-Joining (NHEJ) / protein-DNA complex / cellular response to gamma radiation / regulation of circadian rhythm / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / protein destabilization / brain development / protein modification process / double-strand break repair via nonhomologous end joining / cellular response to insulin stimulus / intrinsic apoptotic signaling pathway in response to DNA damage / rhythmic process / double-strand break repair / E3 ubiquitin ligases ubiquitinate target proteins / heart development / T cell differentiation in thymus / peptidyl-serine phosphorylation / double-stranded DNA binding / secretory granule lumen / DNA recombination / transcription regulator complex / RNA polymerase II-specific DNA-binding transcription factor binding / damaged DNA binding / eukaryotic translation initiation factor 2alpha kinase activity / chromosome, telomeric region / 3-phosphoinositide-dependent protein kinase activity / DNA-dependent protein kinase activity / ribosomal protein S6 kinase activity / histone H3S10 kinase activity / histone H2AXS139 kinase activity / histone H3S28 kinase activity / histone H4S1 kinase activity / histone H2BS14 kinase activity / histone H3T3 kinase activity / histone H2AS121 kinase activity / Rho-dependent protein serine/threonine kinase activity / histone H2BS36 kinase activity / histone H3S57 kinase activity / histone H2AT120 kinase activity / AMP-activated protein kinase activity / histone H2AS1 kinase activity / histone H3T6 kinase activity / histone H3T11 kinase activity Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.93 Å | |||||||||
![]() | Chaplin AK / Hardwick SW | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Dimers of DNA-PK create a stage for DNA double-strand break repair. Authors: Amanda K Chaplin / Steven W Hardwick / Shikang Liang / Antonia Kefala Stavridi / Ales Hnizda / Lee R Cooper / Taiana Maia De Oliveira / Dimitri Y Chirgadze / Tom L Blundell / ![]() Abstract: DNA double-strand breaks are the most dangerous type of DNA damage and, if not repaired correctly, can lead to cancer. In humans, Ku70/80 recognizes DNA broken ends and recruits the DNA-dependent ...DNA double-strand breaks are the most dangerous type of DNA damage and, if not repaired correctly, can lead to cancer. In humans, Ku70/80 recognizes DNA broken ends and recruits the DNA-dependent protein kinase catalytic subunit (DNA-PKcs) to form DNA-dependent protein kinase holoenzyme (DNA-PK) in the process of non-homologous end joining (NHEJ). We present a 2.8-Å-resolution cryo-EM structure of DNA-PKcs, allowing precise amino acid sequence registration in regions uninterpreted in previous 4.3-Å X-ray maps. We also report a cryo-EM structure of DNA-PK at 3.5-Å resolution and reveal a dimer mediated by the Ku80 C terminus. Central to dimer formation is a domain swap of the conserved C-terminal helix of Ku80. Our results suggest a new mechanism for NHEJ utilizing a DNA-PK dimer to bring broken DNA ends together. Furthermore, drug inhibition of NHEJ in combination with chemo- and radiotherapy has proved successful, making these models central to structure-based drug targeting efforts. #1: ![]() Title: Dimers of DNA-PK create a stage for DNA-double strand break repair Authors: Chaplin AK / Hardwick SW / Liang S / Stavridi AK / Hnizda A / Cooper LR / De Oliveira TM / Chirgadze DY / Blundell TL | |||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 118.1 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 23.3 KB 23.3 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 14.8 KB | Display | ![]() |
Images | ![]() | 52.2 KB | ||
Filedesc metadata | ![]() | 8.6 KB | ||
Others | ![]() ![]() ![]() | 15.7 MB 116.1 MB 116.1 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 18.9 KB | Display | |
Data in CIF | ![]() | 24.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6zh6MC ![]() 6zfpC ![]() 6zh2C ![]() 6zh4C ![]() 6zh8C ![]() 6zhaC ![]() 6zheC M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.052 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Additional map: Resolve cryoEM density modified map at 3.79 angstrom resolution
File | emd_11215_additional_1.map | ||||||||||||
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Annotation | Resolve cryoEM density modified map at 3.79 angstrom resolution | ||||||||||||
Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_11215_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_11215_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
-Entire : DNA-PKcs in complex with Ku80 C-terminal domain
Entire | Name: DNA-PKcs in complex with Ku80 C-terminal domain |
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Components |
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-Supramolecule #1: DNA-PKcs in complex with Ku80 C-terminal domain
Supramolecule | Name: DNA-PKcs in complex with Ku80 C-terminal domain / type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: all |
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Molecular weight | Theoretical: 480 KDa |
-Supramolecule #2: DNA-dependent protein kinase catalytic subunit,DNA-PKcs
Supramolecule | Name: DNA-dependent protein kinase catalytic subunit,DNA-PKcs type: organelle_or_cellular_component / ID: 2 / Parent: 1 / Macromolecule list: #1 |
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Source (natural) | Organism: ![]() |
-Supramolecule #3: X-ray repair cross-complementing protein 5
Supramolecule | Name: X-ray repair cross-complementing protein 5 / type: organelle_or_cellular_component / ID: 3 / Parent: 1 / Macromolecule list: #2 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: DNA-dependent protein kinase catalytic subunit,DNA-PKcs
Macromolecule | Name: DNA-dependent protein kinase catalytic subunit,DNA-PKcs type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: non-specific serine/threonine protein kinase |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 472.056281 KDa |
Sequence | String: MAGSGAGVRC SLLRLQETLS AADRCGAALA GHQLIRGLGQ ECVLSSSPAV LALQTSLVFS RDFGLLVFVR KSLNSIEFRE CREEILKFL CIFLEKMGQK IAPYSVEIKN TCTSVYTKDR AAKCKIPALD LLIKLLQTFR SSRLMDEFKI GELFSKFYGE L ALKKKIPD ...String: MAGSGAGVRC SLLRLQETLS AADRCGAALA GHQLIRGLGQ ECVLSSSPAV LALQTSLVFS RDFGLLVFVR KSLNSIEFRE CREEILKFL CIFLEKMGQK IAPYSVEIKN TCTSVYTKDR AAKCKIPALD LLIKLLQTFR SSRLMDEFKI GELFSKFYGE L ALKKKIPD TVLEKVYELL GLLGEVHPSE MINNAENLFR AFLGELKTQM TSAVREPKLP VLAGCLKGLS SLLCNFTKSM EE DPQTSRE IFNFVLKAIR PQIDLKRYAV PSAGLRLFAL HASQFSTCLL DNYVSLFEVL LKWCAHTNVE LKKAALSALE SFL KQVSNM VAKNAEMHKN KLQYFMEQFY GIIRNVDSNN KELSIAIRGY GLFAGPCKVI NAKDVDFMYV ELIQRCKQMF LTQT DTGDD RVYQMPSFLQ SVASVLLYLD TVPEVYTPVL EHLVVMQIDS FPQYSPKMQL VCCRAIVKVF LALAAKGPVL RNCIS TVVH QGLIRICSKP VVLPKGPESE SEDHRASGEV RTGKWKVPTY KDYVDLFRHL LSSDQMMDSI LADEAFFSVN SSSESL NHL LYDEFVKSVL KIVEKLDLTL EIQTVGEQEN GDEAPGVWMI PTSDPAANLH PAKPKDFSAF INLVEFCREI LPEKQAE FF EPWVYSFSYE LILQSTRLPL ISGFYKLLSI TVRNAKKIKY FEGVSPKSLK HSPEDPEKYS CFALFVKFGK EVAVKMKQ Y KDELLASCLT FLLSLPHNII ELDVRAYVPA LQMAFKLGLS YTPLAEVGLN ALEEWSIYID RHVMQPYYKD ILPCLDGYL KTSALSDETK NNWEVSALSR AAQKGFNKVV LKHLKKTKNL SSNEAISLEE IRIRVVQMLG SLGGQINKNL LTVTSSDEMM KSYVAWDRE KRLSFAVPFR EMKPVIFLDV FLPRVTELAL TASDRQTKVA ACELLHSMVM FMLGKATQMP EGGQGAPPMY Q LYKRTFPV LLRLACDVDQ VTRQLYEPLV MQLIHWFTNN KKFESQDTVA LLEAILDGIV DPVDSTLRDF CGRCIREFLK WS IKQITPQ QQEKSPVNTK SLFKRLYSLA LHPNAFKRLG ASLAFNNIYR EFREEESLVE QFVFEALVIY MESLALAHAD EKS LGTIQQ CCDAIDHLCR IIEKKHVSLN KAKKRRLPRG FPPSASLCLL DLVKWLLAHC GRPQTECRHK SIELFYKFVP LLPG NRSPN LWLKDVLKEE GVSFLINTFE GGGCGQPSGI LAQPTLLYLR GPFSLQATLC WLDLLLAALE CYNTFIGERT VGALQ VLGT EAQSSLLKAV AFFLESIAMH DIIAAEKCFG TGAAGNRTSP QEGERYNYSK CTVVVRIMEF TTTLLNTSPE GWKLLK KDL CNTHLMRVLV QTLCEPASIG FNIGDVQVMA HLPDVCVNLM KALKMSPYKD ILETHLREKI TAQSIEELCA VNLYGPD AQ VDRSRLAAVV SACKQLHRAG LLHNILPSQS TDLHHSVGTE LLSLVYKGIA PGDERQCLPS LDLSCKQLAS GLLELAFA F GGLCERLVSL LLNPAVLSTA SLGSSQGSVI HFSHGEYFYS LFSETINTEL LKNLDLAVLE LMQSSVDNTK MVSAVLNGM LDQSFRERAN QKHQGLKLAT TILQHWKKCD SWWAKDSPLE TKMAVLALLA KILQIDSSVS FNTSHGSFPE VFTTYISLLA DTKLDLHLK GQAVTLLPFF TSLTGGSLEE LRRVLEQLIV AHFPMQSREF PPGTPRFNNY VDCMKKFLDA LELSQSPMLL E LMTEVLCR EQQHVMEELF QSSFRRIARR GSCVTQVGLL ESVYEMFRKD DPRLSFTRQS FVDRSLLTLL WHCSLDALRE FF STIVVDA IDVLKSRFTK LNESTFDTQI TKKMGYYKIL DVMYSRLPKD DVHAKESKIN QVFHGSCITE GNELTKTLIK LCY DAFTEN MAGENQLLER RRLYHCAAYN CAISVICCVF NELKFYQGFL FSEKPEKNLL IFENLIDLKR RYNFPVEVEV PMER KKKYI EIRKEAREAA NGDSDGPSYM SSLSYLADST LSEEMSQFDF STGVQSYSYS SQDPRPATGR FRRREQRDPT VHDDV LELE MDELNRHECM APLTALVKHM HRSLGPPQGE EDSVPRDLPS WMKFLHGKLG NPIVPLNIRL FLAKLVINTE EVFRPY AKH WLSPLLQLAA SENNGGEGIH YMVVEIVATI LSWTGLATPT GVPKDEVLAN RLLNFLMKHV FHPKRAVFRH NLEIIKT LV ECWKDCLSIP YRLIFEKFSG KDPNSKDNSV GIQLLGIVMA NDLPPYDPQC GIQSSEYFQA LVNNMSFVRY KEVYAAAA E VLGLILRYVM ERKNILEESL CELVAKQLKQ HQNTMEDKFI VCLNKVTKSF PPLADRFMNA VFFLLPKFHG VLKTLCLEV VLCRVEGMTE LYFQLKSKDF VQVMRHRDDE RQKVCLDIIY KMMPKLKPVE LRELLNPVVE FVSHPSTTCR EQMYNILMWI HDNYRDPES ETDNDSQEIF KLAKDVLIQG LIDENPGLQL IIRNFWSHET RLPSNTLDRL LALNSLYSPK IEVHFLSLAT N FLLEMTSM SPDYPNPMFE HPLSECEFQE YTIDSDWRFR STVLTPMFVE TQASQGTLQT RTQEGSLSAR WPVAGQIRAT QQ QHDFTLT QTADGRSSFD WLTGSSTDPL VDHTSPSSDS LLFAHKRSER LQRAPLKSVG PDFGKKRLGL PGDEVDNKVK GAA GRTDLL RLRRRFMRDQ EKLSLMYARK GVAEQKREKE IKSELKMKQD AQVVLYRSYR HGDLPDIQIK HSSLITPLQA VAQR DPIIA KQLFSSLFSG ILKEMDKFKT LSEKNNITQK LLQDFNRFLN TTFSFFPPFV SCIQDISCQH AALLSLDPAA VSAGC LASL QQPVGIRLLE EALLRLLPAE LPAKRVRGKA RLPPDVLRWV ELAKLYRSIG EYDVLRGIFT SEIGTKQITQ SALLAE ARS DYSEAAKQYD EALNKQDWVD GEPTEAEKDF WELASLDCYN HLAEWKSLEY CSTASIDSEN PPDLNKIWSE PFYQETY LP YMIRSKLKLL LQGEADQSLL TFIDKAMHGE LQKAILELHY SQELSLLYLL QDDVDRAKYY IQNGIQSFMQ NYSSIDVL L HQSRLTKLQS VQALTEIQEF ISFISKQGNL SSQVPLKRLL NTWTNRYPDA KMDPMNIWDD IITNRCFFLS KIEEKLTPL PEDNSMNVDQ DGDPSDRMEV QEQEEDISSL IRSCKFSMKM KMIDSARKQN NFSLAMKLLK ELHKESKTRD DWLVSWVQSY CRLSHCRSR SQGCSEQVLT VLKTVSLLDE NNVSSYLSKN ILAFRDQNIL LGTTYRIIAN ALSSEPACLA EIEEDKARRI L ELSGSSSE DSEKVIAGLY QRAFQHLSEA VQAAEEEAQP PSWSCGPAAG VIDAYMTLAD FCDQQLRKEE ENASVIDSAE LQ AYPALVV EKMLKALKLN SNEARLKFPR LLQIIERYPE ETLSLMTKEI SSVPCWQFIS WISHMVALLD KDQAVAVQHS VEE ITDNYP QAIVYPFIIS SESYSFKDTS TGHKNKEFVA RIKSKLDQGG VIQDFINALD QLSNPELLFK DWSNDVRAEL AKTP VNKKN IEKMYERMYA ALGDPKAPGL GAFRRKFIQT FGKEFDKHFG KGGSKLLRMK LSDFNDITNM LLLKMNKDSK PPGNL KECS PWMSDFKVEF LRNELEIPGQ YDGRGKPLPE YHVRIAGFDE RVTVMASLRR PKRIIIRGHD EREHPFLVKG GEDLRQ DQR VEQLFQVMNG ILAQDSACSQ RALQLRTYSV VPMTSRLGLI EWLENTVTLK DLLLNTMSQE EKAAYLSDPR APPCEYK DW LTKMSGKHDV GAYMLMYKGA NRTETVTSFR KRESKVPADL LKRAFVRMST SPEAFLALRS HFASSHALIC ISHWILGI G DRHLNNFMVA METGGVIGID FGHAFGSATQ FLPVPELMPF RLTRQFINLM LPMKETGLMY SIMVHALRAF RSDPGLLTN TMDVFVKEPS FDWKNFEQKM LKKGGSWIQE INVAEKNWYP RQKICYAKRK LAGANPAVIT CDELLLGHEK APAFRDYVAV ARGSKDHNI RAQEPESGLS EETQVKCLMD QATDPNILGR TWEGWEPWM(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) UniProtKB: DNA-dependent protein kinase catalytic subunit |
-Macromolecule #2: X-ray repair cross-complementing protein 5
Macromolecule | Name: X-ray repair cross-complementing protein 5 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO EC number: Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement |
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Source (natural) | Organism: ![]() |
Molecular weight | Theoretical: 21.454877 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: EAKKKDQVTA QEIFQDNHED GPTAKKLKTE QGGAHFSVSS LAEGSVTSVG SVNPAENFRV LVKQKKASFE EASNQLINHI EQFLDTNET PYFMKSIDCI RAFREEAIKF SEEQRFNNFL KALQEKVEIK QLNHFWEIVV QDGITLITKE EASGSSVTAE E AKKFLAPK ...String: EAKKKDQVTA QEIFQDNHED GPTAKKLKTE QGGAHFSVSS LAEGSVTSVG SVNPAENFRV LVKQKKASFE EASNQLINHI EQFLDTNET PYFMKSIDCI RAFREEAIKF SEEQRFNNFL KALQEKVEIK QLNHFWEIVV QDGITLITKE EASGSSVTAE E AKKFLAPK DKPSGDTAAV FEEGGDVDDL LDMI UniProtKB: X-ray repair cross-complementing protein 5 |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Buffer | pH: 7.4 |
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Vitrification | Cryogen name: ETHANE |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 54.49 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |