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Yorodumi- EMDB-73055: The structure of the cardiac native crossbridge in the rigor stat... -
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Open data
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Basic information
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| Title | The structure of the cardiac native crossbridge in the rigor state, myosin heads with essential and regulatory light chains bound to actin molecules 6 and 7 | |||||||||
Map data | map | |||||||||
Sample |
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Keywords | cardiac myosin / tropomyosin / thin filament / troponin / MOTOR PROTEIN | |||||||||
| Function / homology | Function and homology informationmuscle cell fate specification / RHOB GTPase cycle / Striated Muscle Contraction / RHOA GTPase cycle / Regulation of CDH1 Function / Formation of the dystrophin-glycoprotein complex (DGC) / regulation of striated muscle contraction / cardiac myofibril / regulation of the force of heart contraction / troponin complex ...muscle cell fate specification / RHOB GTPase cycle / Striated Muscle Contraction / RHOA GTPase cycle / Regulation of CDH1 Function / Formation of the dystrophin-glycoprotein complex (DGC) / regulation of striated muscle contraction / cardiac myofibril / regulation of the force of heart contraction / troponin complex / actin-myosin filament sliding / A band / regulation of muscle contraction / adult heart development / myosin filament / muscle filament sliding / myosin complex / myosin II complex / I band / heart contraction / structural constituent of muscle / ventricular cardiac muscle tissue morphogenesis / myosin binding / microfilament motor activity / positive regulation of the force of heart contraction / mesenchyme migration / myofibril / cytoskeletal motor activity / actin monomer binding / cardiac muscle contraction / actin filament organization / sarcomere / filopodium / actin filament / negative regulation of cell growth / structural constituent of cytoskeleton / heart development / actin filament binding / actin cytoskeleton / lamellipodium / cell body / calmodulin binding / protein heterodimerization activity / positive regulation of gene expression / calcium ion binding / protein homodimerization activity / ATP binding / identical protein binding / cytosol / cytoplasm Similarity search - Function | |||||||||
| Biological species | ![]() | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 5.3 Å | |||||||||
Authors | Galkin VE / Risi CM | |||||||||
| Funding support | United States, 2 items
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Citation | Journal: To Be PublishedTitle: The structure of the native cardiac cross-bridge Authors: Galkin VE / Risi CM | |||||||||
| History |
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Structure visualization
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_73055.map.gz | 7.4 MB | EMDB map data format | |
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| Header (meta data) | emd-73055-v30.xml emd-73055.xml | 27.2 KB 27.2 KB | Display Display | EMDB header |
| FSC (resolution estimation) | emd_73055_fsc.xml | 14 KB | Display | FSC data file |
| Images | emd_73055.png | 162.1 KB | ||
| Filedesc metadata | emd-73055.cif.gz | 8.3 KB | ||
| Others | emd_73055_half_map_1.map.gz emd_73055_half_map_2.map.gz | 187.9 MB 187.9 MB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-73055 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-73055 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9yknMC ![]() 9ya8C ![]() 9yaqC ![]() 9yjpC ![]() 9yk9C M: atomic model generated by this map C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_73055.map.gz / Format: CCP4 / Size: 236.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | map | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.356 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
-Half map: half map 1
| File | emd_73055_half_map_1.map | ||||||||||||
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| Annotation | half map 1 | ||||||||||||
| Projections & Slices |
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| Density Histograms |
-Half map: half map 2
| File | emd_73055_half_map_2.map | ||||||||||||
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| Annotation | half map 2 | ||||||||||||
| Projections & Slices |
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| Density Histograms |
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Sample components
-Entire : complex of heavy meromyosin bound to cardiac thin filament
| Entire | Name: complex of heavy meromyosin bound to cardiac thin filament |
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| Components |
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-Supramolecule #1: complex of heavy meromyosin bound to cardiac thin filament
| Supramolecule | Name: complex of heavy meromyosin bound to cardiac thin filament type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#6 |
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| Source (natural) | Organism: ![]() |
-Macromolecule #1: Actin, alpha cardiac muscle 1
| Macromolecule | Name: Actin, alpha cardiac muscle 1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 42.064891 KDa |
| Sequence | String: MCDDEETTAL VCDNGSGLVK AGFAGDDAPR AVFPSIVGRP RHQGVMVGMG QKDSYVGDEA QSKRGILTLK YPIEHGIITN WDDMEKIWH HTFYNELRVA PEEHPTLLTE APLNPKANRE KMTQIMFETF NVPAMYVAIQ AVLSLYASGR TTGIVLDSGD G VTHNVPIY ...String: MCDDEETTAL VCDNGSGLVK AGFAGDDAPR AVFPSIVGRP RHQGVMVGMG QKDSYVGDEA QSKRGILTLK YPIEHGIITN WDDMEKIWH HTFYNELRVA PEEHPTLLTE APLNPKANRE KMTQIMFETF NVPAMYVAIQ AVLSLYASGR TTGIVLDSGD G VTHNVPIY EGYALPHAIM RLDLAGRDLT DYLMKILTER GYSFVTTAER EIVRDIKEKL CYVALDFENE MATAASSSSL EK SYELPDG QVITIGNERF RCPETLFQPS FIGMESAGIH ETTYNSIMKC DIDIRKDLYA NNVLSGGTTM YPGIADRMQK EIT ALAPST MKIKIIAPPE RKYSVWIGGS ILASLSTFQQ MWISKQEYDE AGPSIVHRKC F UniProtKB: Actin, alpha cardiac muscle 1 |
-Macromolecule #2: Tropomyosin alpha-1 chain
| Macromolecule | Name: Tropomyosin alpha-1 chain / type: protein_or_peptide / ID: 2 / Number of copies: 4 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 32.762656 KDa |
| Sequence | String: MDAIKKKMQM LKLDKENALD RAEQAEADKK AAEDRSKRLE DELVSLQKKL KATEDELDKY SEAPKDAQEK LELAEKKATD AEADVASLN RRIQLVEEEL DRAQERLATA LQKLEEAEKA ADESERGMKV IESRAQKDEE KMEIQEIQLK EAKHIAEDAD R KYEEVARK ...String: MDAIKKKMQM LKLDKENALD RAEQAEADKK AAEDRSKRLE DELVSLQKKL KATEDELDKY SEAPKDAQEK LELAEKKATD AEADVASLN RRIQLVEEEL DRAQERLATA LQKLEEAEKA ADESERGMKV IESRAQKDEE KMEIQEIQLK EAKHIAEDAD R KYEEVARK LVIIESDLER AEERAELSEG KCAELEEELK TVTNNLKSLE AQAEKYSQKE DKYEEEIKVL SDKLKEAETR AE FAERSVT KLEKSIDDLE DELYAQKLKY KAISEELDHA LNDMTSI UniProtKB: Tropomyosin alpha-1 chain |
-Macromolecule #3: Troponin T2, cardiac type
| Macromolecule | Name: Troponin T2, cardiac type / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 33.941738 KDa |
| Sequence | String: MSDVEETVDE YEEEQEEGAA EEQEEAVEEE AGGEAEAEEA NAEEAGQEED GREAEDGPME ESKPKPRLFM PNLVPPKIPD GERVDFDDI HRKRMKDLNE LQTLIEAHFE NRKKEEELVS LKDRIEKRRA ERAEQQRIRT EREKERQTRL AEERARREEE E NRRKAEDE ...String: MSDVEETVDE YEEEQEEGAA EEQEEAVEEE AGGEAEAEEA NAEEAGQEED GREAEDGPME ESKPKPRLFM PNLVPPKIPD GERVDFDDI HRKRMKDLNE LQTLIEAHFE NRKKEEELVS LKDRIEKRRA ERAEQQRIRT EREKERQTRL AEERARREEE E NRRKAEDE ARKKKALSNM MHFGGYIQKQ AQTERKSGKR QTEREKKKKI LAERRKVLAI DHLNEDQLRE KAKELWQSIY NL EAEKFDL QEKFKQQKYE INVLRNRIND NQKVSKTRGK AKVTGRWK UniProtKB: Troponin T, cardiac muscle |
-Macromolecule #4: Myosin-7
| Macromolecule | Name: Myosin-7 / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 223.649094 KDa |
| Sequence | String: MVDAEMAAFG EAAPYLRKSE KERLEAQTRP FDLKKDVYVP DDKEEFVKAK ILSREGGKVT AETEHGKTVT VKEDQVLQQN PPKFDKIED MAMLTFLHEP AVLYNLKERY ASWMIYTYSG LFCVTINPYK WLPVYNAEVV AAYRGKKRSE APPHIFSISD N AYQYMLTD ...String: MVDAEMAAFG EAAPYLRKSE KERLEAQTRP FDLKKDVYVP DDKEEFVKAK ILSREGGKVT AETEHGKTVT VKEDQVLQQN PPKFDKIED MAMLTFLHEP AVLYNLKERY ASWMIYTYSG LFCVTINPYK WLPVYNAEVV AAYRGKKRSE APPHIFSISD N AYQYMLTD RENQSILITG ESGAGKTVNT KRVIQYFAVI AAIGDRSKKE QTPGKGTLED QIIQANPALE AFGNAKTVRN DN SSRFGKF IRIHFGATGK LASADIETYL LEKSRVIFQL KAERDYHIFY QILSNKKPEL LDMLLITNNP YDYAFISQGE TTV ASIDDA EELMATDNAF DVLGFTSEEK NSMYKLTGAI MHFGNMKFKL KQREEQAEPD GTEEADKSAY LMGLNSADLL KGLC HPRVK VGNEYVTKGQ NVQQVMYATG ALAKAVYEKM FNWMVTRINT TLETKQPRQY FIGVLDIAGF EIFDFNSFEQ LCINF TNEK LQQFFNHHMF VLEQEEYKKE GIEWEFIDFG MDLQACIDLI EKPMGIMSIL EEECMFPKAT DMTFKAKLYD NHLGKS NNF QKPRNIKGRP EAHFALIHYA GTVDYNIIGW LQKNKDPLNE TVVDLYKKSS LKLLSNLFAN YAGADTPVEK GKGKAKK GS SFQTVSALHR ENLNKLMTNL RSTHPHFVRC IIPNETKSPG VIDNPLVMHQ LRCNGVLEGI RICRKGFPNR ILYGDFRQ R YRILNPAAIP EGQFIDSRKG AEKLLGSLDI DHNQYKFGHT KVFFKAGLLG LLEEMRDERL SRIITRIQAQ SRGVLSRME FKKLLERRDS LLIIQWNIRA FMSVKNWPWM KLYFKIKPLL KSAETEKEMA TMKEEFGRLK EALEKSEARR KELEEKMVSL LQEKNDLQL QVQAEQDNLA DAEERCDQLI KNKIQLEAKV KEMTERLEDE EEMNAELTAK KRKLEDECSE LKRDIDDLEL T LAKVEKEK HATENKVKNL TEEMAGLDEI IAKLTKEKKA LQEAHQQALD DLQAEEDKVN TLTKAKVKLE QHVDDLEGSL EQ EKKVRMD LERAKRKLEG DLKLTQESIM DLENDKQQLD ERLKKKDFEL NALNARIEDE QALGSQLQKK LKELQARIEE LEE ELEAER TARAKVEKLR SDLSRELEEI SERLEEAGGA TSVQIEMNKK REAEFQKMRR DLEEATLQHE ATAAALRKKH ADSV AELGE QIDNLQRVKQ KLEKEKSEFK LELDDVTSNM EQIIKAKANL EKMCRTLEDQ MNEHRSKAEE TQRSVNDLTS QRAKL QTEN GELSRQLDEK EALISQLTRG KLTYTQQLED LKRQLEEEVK AKNALAHALQ SARHDCDLLR EQYEEETEAK AELQRV LSK ANSEVAQWRT KYETDAIQRT EELEEAKKKL AQRLQDAEEA VEAVNAKCSS LEKTKHRLQN EIEDLMVDVE RSNAAAA AL DKKQRNFDKI LAEWKQKYEE SQSELESSQK EARSLSTELF KLKNAYEESL EHLETFKREN KNLQEEISDL TEQLGSSG K TIHELEKVRK QLEAEKLELQ SALEEAEASL EHEEGKILRA QLEFNQIKAE MERKLAEKDE EMEQAKRNHL RVVDSLQTS LDAETRSRNE ALRVKKKMEG DLNEMEIQLS HANRMAAEAQ KQVKSLQSLL KDTQIQLDDA VRANDDLKEN IAIVERRNNL LQAELEELR AVVEQTERSR KLAEQELIET SERVQLLHSQ NTSLINQKKK MEADLSQLQT EVEEAVQECR NAEEKAKKAI T DAAMMAEE LKKEQDTSAH LERMKKNMEQ TIKDLQHRLD EAEQIALKGG KKQLQKLEAR VRELENELEA EQKRNAESVK GM RKSERRI KELTYQTEED RKNLLRLQDL VDKLQLKVKA YKRQAEEAEE QANTNLSKFR KVQHELDEAE ERADIAESQV NKL RAKSRD IGTKGLNEE UniProtKB: Myosin-7 |
-Macromolecule #5: Myosin light chain 3
| Macromolecule | Name: Myosin light chain 3 / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 21.788875 KDa |
| Sequence | String: MAPKKPEPKK DDAKAAAKAA PAPAPAPAPA PEPKEPEFDA SKIKIEFTPE QIEEFKEAFM LFDRTPKCEM KITYGQCGDV LRALGQNPT QAEVLRVLGK PKQEELNSKM MDFDTFLPML QHISKNKDTG TYEDFVEGLR VFDKEGNGTV MGAELRHVLA T LGERLTED ...String: MAPKKPEPKK DDAKAAAKAA PAPAPAPAPA PEPKEPEFDA SKIKIEFTPE QIEEFKEAFM LFDRTPKCEM KITYGQCGDV LRALGQNPT QAEVLRVLGK PKQEELNSKM MDFDTFLPML QHISKNKDTG TYEDFVEGLR VFDKEGNGTV MGAELRHVLA T LGERLTED EVEKLMAGQE DSNGCINYEA FVKHIMAS UniProtKB: Myosin light chain 3 |
-Macromolecule #6: MYL2
| Macromolecule | Name: MYL2 / type: protein_or_peptide / ID: 6 / Number of copies: 2 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 18.915363 KDa |
| Sequence | String: MSPKKAKKRA DGANSNVFSM FEQTQIQEFK EAFTIMDQNR DGFIDKNDLR DTFAALGRVN VKNEEIDEMI KEAPGPINFT VFLTMFGEK LKGADPEETI LNAFKVFDPE GKGVLRADYV KEMLTTQAER FSKEEIEQMF AAFPPDVTGN LDYKNLVHII T HGEEKD UniProtKB: MYL2 |
-Macromolecule #7: ADENOSINE-5'-DIPHOSPHATE
| Macromolecule | Name: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 7 / Number of copies: 2 / Formula: ADP |
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| Molecular weight | Theoretical: 427.201 Da |
| Chemical component information | ![]() ChemComp-ADP: |
-Macromolecule #8: MAGNESIUM ION
| Macromolecule | Name: MAGNESIUM ION / type: ligand / ID: 8 / Number of copies: 2 / Formula: MG |
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| Molecular weight | Theoretical: 24.305 Da |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | filament |
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Sample preparation
| Buffer | pH: 7.5 |
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| Grid | Model: EMS Lacey Carbon / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: LACEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 45 sec. |
| Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 278 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Number grids imaged: 10 / Average electron dose: 34.0 e/Å2 Details: Images were collected in a movie mode, 40 frames, with a dose of 0.85 e/A2 per frame |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.5 µm / Nominal defocus min: 0.5 µm |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
| Initial model |
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| Refinement | Space: REAL / Protocol: FLEXIBLE FIT | ||||||||||||
| Output model | ![]() PDB-9ykn: |
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Keywords
Authors
United States, 2 items
Citation















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FIELD EMISSION GUN






