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Yorodumi- EMDB-33780: In situ structure of polymerase complex of mammalian reovirus in ... -
+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-33780 | |||||||||
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Title | In situ structure of polymerase complex of mammalian reovirus in the core | |||||||||
Map data | ||||||||||
Sample |
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Function / homology | Function and homology information viral inner capsid / host cytoskeleton / viral outer capsid / 7-methylguanosine mRNA capping / viral genome replication / mRNA guanylyltransferase activity / viral capsid / viral nucleocapsid / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / host cell cytoplasm ...viral inner capsid / host cytoskeleton / viral outer capsid / 7-methylguanosine mRNA capping / viral genome replication / mRNA guanylyltransferase activity / viral capsid / viral nucleocapsid / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / host cell cytoplasm / RNA helicase activity / hydrolase activity / RNA-directed RNA polymerase / RNA-dependent RNA polymerase activity / GTP binding / structural molecule activity / RNA binding / ATP binding Similarity search - Function | |||||||||
Biological species | Mammalian orthoreovirus 3 | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||
Authors | Bao KY / Zhang XL / Li DY / Zhu P | |||||||||
Funding support | China, 2 items
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Citation | Journal: Proc Natl Acad Sci U S A / Year: 2022 Title: In situ structures of polymerase complex of mammalian reovirus illuminate RdRp activation and transcription regulation. Authors: Keyan Bao / Xueli Zhang / Dongyu Li / Wei Sun / Zhenzhao Sun / Jingfei Wang / Ping Zhu / Abstract: Mammalian reovirus (reovirus) is a multilayered, turreted member of characterized by transcription of dsRNA genome within the innermost capsid shell. Here, we present high-resolution in situ ...Mammalian reovirus (reovirus) is a multilayered, turreted member of characterized by transcription of dsRNA genome within the innermost capsid shell. Here, we present high-resolution in situ structures of reovirus transcriptase complex in an intact double-layered virion, and in the uncoated single-layered core particles in the unloaded, reloaded, pre-elongation, and elongation states, respectively, obtained by cryo-electron microscopy and sub-particle reconstructions. At the template entry of RNA-dependent RNA polymerase (RdRp), the RNA-loading region gets flexible after uncoating resulting in the unloading of terminal genomic RNA and inactivity of transcription. However, upon adding transcriptional substrates, the RNA-loading region is recovered leading the RNAs loaded again. The priming loop in RdRp was found to play a critical role in regulating transcription, which hinders the elongation of transcript in virion and triggers the rearrangement of RdRp C-terminal domain (CTD) during elongation, resulting in splitting of template-transcript hybrid and opening of transcript exit. With the integration of these structures, a transcriptional model of reovirus with five states is proposed. Our structures illuminate the RdRp activation and regulation of the multilayered turreted reovirus. | |||||||||
History |
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-Structure visualization
Supplemental images |
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-Downloads & links
-EMDB archive
Map data | emd_33780.map.gz | 117.9 MB | EMDB map data format | |
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Header (meta data) | emd-33780-v30.xml emd-33780.xml | 20.3 KB 20.3 KB | Display Display | EMDB header |
Images | emd_33780.png | 83.6 KB | ||
Others | emd_33780_half_map_1.map.gz emd_33780_half_map_2.map.gz | 116 MB 116 MB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-33780 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-33780 | HTTPS FTP |
-Validation report
Summary document | emd_33780_validation.pdf.gz | 1007.6 KB | Display | EMDB validaton report |
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Full document | emd_33780_full_validation.pdf.gz | 1007.2 KB | Display | |
Data in XML | emd_33780_validation.xml.gz | 14.3 KB | Display | |
Data in CIF | emd_33780_validation.cif.gz | 16.8 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-33780 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-33780 | HTTPS FTP |
-Related structure data
Related structure data | 7yf0MC 7yedC 7yevC 7yezC 7yfeC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_33780.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.36 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #2
File | emd_33780_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #1
File | emd_33780_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Sample components
-Entire : Mammalian orthoreovirus 3
Entire | Name: Mammalian orthoreovirus 3 |
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Components |
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-Supramolecule #1: Mammalian orthoreovirus 3
Supramolecule | Name: Mammalian orthoreovirus 3 / type: virus / ID: 1 / Parent: 0 / Macromolecule list: #1-#4 / NCBI-ID: 538123 / Sci species name: Mammalian orthoreovirus 3 / Virus type: VIRION / Virus isolate: STRAIN / Virus enveloped: No / Virus empty: No |
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-Macromolecule #1: RNA helicase
Macromolecule | Name: RNA helicase / type: protein_or_peptide / ID: 1 / Number of copies: 15 / Enantiomer: LEVO / EC number: RNA helicase |
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Source (natural) | Organism: Mammalian orthoreovirus 3 |
Molecular weight | Theoretical: 141.801297 KDa |
Sequence | String: MKRIPRKTKG KSSGKGNDST SRSDDGSSQL RDKQSNKANP ATAEPGTSNC EHYKARPGIA SVQKATESAE LPMKNNDEGT PDKRGNTKG ALVNEHVEAR DEADDATKKQ AKDTEKAKAQ VTYSDTGINN ANELSRSGNV DNEGGSNQKP MSTRIAEATS A IVSKHPAR ...String: MKRIPRKTKG KSSGKGNDST SRSDDGSSQL RDKQSNKANP ATAEPGTSNC EHYKARPGIA SVQKATESAE LPMKNNDEGT PDKRGNTKG ALVNEHVEAR DEADDATKKQ AKDTEKAKAQ VTYSDTGINN ANELSRSGNV DNEGGSNQKP MSTRIAEATS A IVSKHPAR VGLPPTASSG HGYQCHVCSA VLFSPLDLDA HVASHGLHGN MTLTSSEIQR HITEFISSWQ NHPIVQVSAD VE NRKTAQL LHADTPRLVT WDAGLCTSFK IVPIVPAQVP QDVLAYTFFT SSYAIQSPFP EAAVSRIVVH TRWASNVDFD RDS SVIMAP PTENNIHLFK QLLNTETLSV RGANPLMFRA NVLHMLLEFV LDNLYLNRHT GFSQDHTPFT EGANLRSLPG PDAE KWYSI MYPTRMGTPN VSKICNFVAS CVRNRVGRFD RAQMMNGAMS EWVDVFETSD ALTVSIRGRW MARLARMNIN PTEIE WALT ECAQGYVTVT SPYAPSVNRL MPYRISNAER QISQIIRVMN IGNNATVIQP VLQDISVLLQ RISPLQIDPT IISNTM STV SESTTQTLSP ASSILGKLRP SNSDFSSFRV ALAGWLYNGV VTTVIDDSSY PKDGGSVTSL ENLWDFFILA LALPLTT DP CAPVKAFMTL ANMMVGFETI PMDNQIYTQS RRASAFSTPH TWPRCFMNIQ LISPIDAPIL RQWAEIIHRY WPNPSQIR Y GTPNVFGSAN LFTPPEVLLL PIDHQPANVT TPTLDFTNEL TNWRARVCEL MKNLVDNQRY QPGWTQSLVS SMRGTLGKL KLIKSMTPMY LQQLAPVELA VIAPMLPFPP FQVPYVRLDR DRVPTMVGVT RQSRDTITQP ALSLSTTNTT VGVPLALDAR AITVALLSG KYPPDLVTNV WYADAIYPMY ADTEVFSNLQ RDVITCEAVQ TLVTLVAQIS ETQYPVDRYL DWIPSLRASA A TAATFAEW VNTSMKTAFD LSDMLLEPLL SGDPRMTQLA IQYQQYNGRT FNVIPEMPGS VIADCVQLTA EVFNHEYNLF GI ARGDIII GRVQSTHLWS PLAPPPDLVF DRDTPGVHIF GRDCRISFGM NGAAPMIRDE TGMMVPFEGN WIFPLALWQM NTR YFNQQF DAWIKTGELR IRIEMGAYPY MLHYYDPRQY ANAWNLTSAW LEEITPTSIP SVPFMVPISS DHDISSAPAV QYII STEYN DRSLFCTNSS SPQTIAGPDK HIPVERYNIL TNPDAPPTQI QLPEVVDLYN VVTRYAYETP PITAVVMGVP |
-Macromolecule #2: Lambda-2 protein
Macromolecule | Name: Lambda-2 protein / type: protein_or_peptide / ID: 2 / Number of copies: 5 / Enantiomer: LEVO |
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Source (natural) | Organism: Mammalian orthoreovirus 3 |
Molecular weight | Theoretical: 143.963438 KDa |
Sequence | String: MANVWGVRLA DSLSSPTIET RTRHYTLHDF YSDLDASVGK EPWRPLRNQR TNEIVAVQLF RPLQGLVFDT QLYGFPGTFS QWEQFMKEK LRVLKYEVLR IYPISTYNHD RVNVFVANAL VGAFLSNQAF YDLLPLLIVN DTMISDLLGT GAALSQFFQS H GEVLEVAA ...String: MANVWGVRLA DSLSSPTIET RTRHYTLHDF YSDLDASVGK EPWRPLRNQR TNEIVAVQLF RPLQGLVFDT QLYGFPGTFS QWEQFMKEK LRVLKYEVLR IYPISTYNHD RVNVFVANAL VGAFLSNQAF YDLLPLLIVN DTMISDLLGT GAALSQFFQS H GEVLEVAA GRKYLQMNNY SNDDDDPPLF AKDLSDYAKA FYSDTYEVLD RFFWTHDSSA GVLVHYDKPT NGNHYILGTL TQ MVSAPPH IINATDALLL ESCLEQFAAN VRARSAQPVT RLDQCYHLRW GAQYVGEDSL TYRLGVLSLL ATNGYQLARP IPK QLTNRW LSSFVSQVVS DGINETPLWP QERYVQIAYD SPSVVDGATQ YGYVRRNQLR LGMRISALQS LSDTPAPVQW LPQY TIDQV AVDEGDAMVS QLTQLPLRPD YGSIWIGEAL SYYVDYNRSH RVVLSSELPQ LPDTYFDGDE QYGRSLFSLA RKVGD RSLV KDTAVLKHAY QAIDPNTGKE YLRAGQSVAY FGASAGHSGA DQPLVIEPWM QGKISGVPPP SSVRQFGYDV AKGAIV DLA RPFPSGDYQF VYSDVDQVVD GHDDLSISSG LVESLLDSCV HATAPGGSFV MKINFPTRTV WHYIEQKILP NVTSYML IK PFVTNNVEVF FVAFGVHQQS ALTWTSGVYF FLVDHFYRYE TLSAISRQLP SFGYVDDGSS VTGIEIISIE NPGFSNMT Q AARVGISGLC ANVGNARKSI AIYESHGARV LTITSRRSPA SARRKARLRY LPLIDPRSLE VQARTILPSN PVLFDNING ASPHVCLTMM YNFEVSSAVY DGDVVLDLGT GPEAKILELI PSTSPVTCVD IRPTAQPNGC WNVRTTFLEL DYLSDGWITG VRGDIVTCM LSLGAAAAGK SMTFDAAFQQ LVRVLTRSTA NVLLIQVNCP TDVIRTIKGY LEIDQTNKRY KFPKFGRDEP Y SDMDSLER ICRAAWPNCS ITWVPLSYDL RWTKLALLES TTLSSASVRI AELMYKYMPI MRIDIHGLPM EKQGNFIVGQ NC SLVIPGF NAQDVFNCYF NSALAFSTED VNSAMIPQVT AQFDANKGEW SLDMVFSDAG IYTMQALVGS NANPVSLGSF VVD SPDVDI TDAWPAQLDF TIAGTDVDIT VNPYYRLMAF VKIDGQWQIA NPDKFQFFSS NTGTLVMNVK LDIADRYLLY YIRD VQSRD VGFYIQHPLQ LLNTITLPTN EDLFLSAPDM REWAVKESGN TICILNSPGF IPPQDWDVLT DTISWSPSLP TYVVP PGDY TLTPL |
-Macromolecule #3: RNA-directed RNA polymerase
Macromolecule | Name: RNA-directed RNA polymerase / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO / EC number: RNA-directed RNA polymerase |
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Source (natural) | Organism: Mammalian orthoreovirus 3 |
Molecular weight | Theoretical: 142.472953 KDa |
Sequence | String: MSSMILTQFG PFIESISGIT DQSNDVFENA AKAFSMFTRS DVYKALDEIP FSEDAMLPIP PTIYTKPSHD SYYYIDALNR VRRKTYQGP DDVYVPNCSI VELLEPHETL TSYGRLSEAI ENRAKDGDSQ ARIATTYGRI AESQARQIKA PLEKFVLALL V AEAGGSLY ...String: MSSMILTQFG PFIESISGIT DQSNDVFENA AKAFSMFTRS DVYKALDEIP FSEDAMLPIP PTIYTKPSHD SYYYIDALNR VRRKTYQGP DDVYVPNCSI VELLEPHETL TSYGRLSEAI ENRAKDGDSQ ARIATTYGRI AESQARQIKA PLEKFVLALL V AEAGGSLY DPVLQKYDEI PGLSHNCPLW CFREICRHIS GPLPDRAPYL YLSAGVFWLM SPRMTSAIPP LLSDLVNLAI LQ QTAGLDP SLVRLGVQIC LHAAASSSYA WFILKTKSIF PQNTLHSMYE SLEGGYCPNL EWLEPRSDYK FMYMGAMPLS TKY ARSAPS NDKKARELGE KYGLSSVVSE LRRRTKTYSK HDFTSVRYIR DAMACTSGIF LVRTPTETVL QEYTQSPEIK VPIP QKDWT GPIGEIRILK DTTSSIARYL YRTWYLAAAR MAAQPRTWDP LFQAIMRSQY VTARGGSGAT LRESLYAINV SLPDF KGLP VKAATKIFQA AQLANLPFSH TSVAILADTS MGLRNQVQRR PRSIMPLNVP QQQVSAPHTL TADYINYHMN LSTTSG SAV IEKVIPLGVY ASSPPNQSIN IDISACDASI TWDFFLSVIM AAIHEGVASS SIGKPFMGVP ASIVNDESVV GVRAARP IS GMQNMIQHLS KLYKRGFSYR VNDSFSPGND FTHMTTTFPS GSTATSTEHT ANNSTMMETF LTVWGPEHTD DPDVLRLM K SLTIQRNYVC QGDDGLMIID GNTAGKVNSE TIQKMLELIS KYGEEFGWKY DIAYDGTAEY LKLYFIFGCR IPNLSRHPI VGKERANSSA EEPWPAILDQ IMGIFFNGVH DGLQWQRWIR YSWALCCAFS RQRTMTGESV GYLQYPMWSF VYWGLPLVKV FGSDPWIFS WYMPTGDLGM YSWISLIRPL MTRWMVANGY VTDKCSPVFG NADYRKCFNE LKLYQGYYMA QLPRNPKKSG R AAPREVRE QFTQALSDYL MQNPELKSRV LRGRSEWEKY GAGIIHNPPS LFDVPHKWYQ GAQEAATATR EELAEMDETL MR ARKHSYS SFSKLLEAYL LVKWRMCEAR EPSVDLRLPL CAGIDPLNSD PFLKMVSVGP MLQSTRKYFA QTLFMAKTVS GLD VNAIDS ALLRLRTLGA DKKALTAQLL MVGLQESEAD ALAGKIMLQD VNTVQLARVV NLAVPDTWMS LDFDTMFKHH VKLL PKDGR HLNTDIPPRM GWLRAILRFL GAGMAMTATG VAVDIYLEDI HGGGRSLGQR FMTWMRQEGR SA |
-Macromolecule #4: Mu-2 protein
Macromolecule | Name: Mu-2 protein / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: Mammalian orthoreovirus 3 |
Molecular weight | Theoretical: 83.434266 KDa |
Sequence | String: MAYIAVPAVV DSRSSEAIGL LESFGVDAGS DANDVSYQDH DYVVDQLQYM LDGYEAGDVI DALVYRNWLH HSVYCLLPPK SQLLEYWKS NPSVIPDNVD RRLRKRLMLK KDLRKDDEYN QLARAFKISD VYAPLISSTT SPMTMIQNLN QGEIVYTTTD R VIGARVLL ...String: MAYIAVPAVV DSRSSEAIGL LESFGVDAGS DANDVSYQDH DYVVDQLQYM LDGYEAGDVI DALVYRNWLH HSVYCLLPPK SQLLEYWKS NPSVIPDNVD RRLRKRLMLK KDLRKDDEYN QLARAFKISD VYAPLISSTT SPMTMIQNLN QGEIVYTTTD R VIGARVLL YAPRKYYAST LSFTMTRCVL PFGKEVSRVP HSRFNVGTFP SIATPKCSVM SGVDIESIPN EFIKLFYQRV KS IHANILN DISPQIVSDM INRKRLRVHT PSNRRAAQLM HLPYHVKRGA SHVDVYRVDV VNVLFEVVDV ADGLRSVSRK LIM HTVPVC ILELLGIEIA DYCIRQEDGM FTDWFLLLTM LSDGLTDRRT HCQYLINPSS MPPDVILNIS ITGFINRHTI DVMP DVYDF IKPIGAVLPK GSFKSTIMRV LDSISVLGVK IMPRAHVVDS DEVGEQMEPT FEHAVMEIYK GIAGVDSLDD LTKWV LNSD LVPHDDRLGQ LFQAFLPLAK DLLAPMARQF YDNSMSEGRL LTFAHADSEL LNANYFGHLL RLKIPYITEV NLMIRK NRE GGELFQLVLS YLYKMYATSA QPKWFGSLLR LLICPWLHME KLIGEADPAS TSAEIGWHVP REQLMQDGWC GCEDGFI PY VSIRAPRLVI EELMEKNWGQ YHAQVIVTDQ LVVGEPRRVS AKAVIKGNHL PVKLISRFAC FTLTSKYEMR LPCGHSTG R GAAYNARLAF RSDLA |
-Macromolecule #5: ZINC ION
Macromolecule | Name: ZINC ION / type: ligand / ID: 5 / Number of copies: 7 / Formula: ZN |
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Molecular weight | Theoretical: 65.409 Da |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 8 |
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Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 30.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.5 µm |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
-Image processing
Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 62584 |
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Initial angle assignment | Type: RANDOM ASSIGNMENT |
Final angle assignment | Type: RANDOM ASSIGNMENT |