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- EMDB-3695: Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with prom... -

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Basic information

Entry
Database: EMDB / ID: EMD-3695
TitleCryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex
Map data
Sample
  • Complex: Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex
    • Complex: Escherichia coli core RNA polymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit alphaPolymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit betaPolymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit beta'Polymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit omegaPolymerase
    • Complex: Sigma-54 transcription initiation factor
      • Protein or peptide: RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor
    • Complex: Sigma-54 promoter DNA
      • DNA: Non-Template promoter DNA
      • DNA: Template DNA promoter
Function / homology
Function and homology information


nitrogen fixation / RNA polymerase complex / submerged biofilm formation / DNA-binding transcription activator activity / cellular response to cell envelope stress / cytosolic DNA-directed RNA polymerase complex / regulation of DNA-templated transcription initiation / bacterial-type flagellum assembly / sigma factor activity / bacterial-type flagellum-dependent cell motility ...nitrogen fixation / RNA polymerase complex / submerged biofilm formation / DNA-binding transcription activator activity / cellular response to cell envelope stress / cytosolic DNA-directed RNA polymerase complex / regulation of DNA-templated transcription initiation / bacterial-type flagellum assembly / sigma factor activity / bacterial-type flagellum-dependent cell motility / nitrate assimilation / nucleotidyltransferase activity / transcription elongation factor complex / DNA-directed RNA polymerase complex / regulation of DNA-templated transcription elongation / transcription antitermination / cell motility / DNA-templated transcription initiation / ribonucleoside binding / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / response to heat / protein-containing complex assembly / intracellular iron ion homeostasis / protein dimerization activity / response to antibiotic / magnesium ion binding / DNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Sigma-54 factors family signature 1. / Sigma-54 factors family profile. / RNA polymerase sigma factor 54, core-binding domain / RNA polymerase sigma factor 54, DNA-binding / RNA polymerase sigma-54 factor, core-binding domain superfamily / Sigma-54 factor, Activator interacting domain (AID) / Sigma-54, DNA binding domain / Sigma-54 factor, core binding domain / Sigma-54 factors family signature 2. / RNA polymerase sigma factor 54 ...Sigma-54 factors family signature 1. / Sigma-54 factors family profile. / RNA polymerase sigma factor 54, core-binding domain / RNA polymerase sigma factor 54, DNA-binding / RNA polymerase sigma-54 factor, core-binding domain superfamily / Sigma-54 factor, Activator interacting domain (AID) / Sigma-54, DNA binding domain / Sigma-54 factor, core binding domain / Sigma-54 factors family signature 2. / RNA polymerase sigma factor 54 / DNA-directed RNA polymerase, omega subunit / DNA-directed RNA polymerase, subunit beta-prime, bacterial type / DNA-directed RNA polymerase, beta subunit, external 1 domain superfamily / DNA-directed RNA polymerase, beta subunit, external 1 domain / RNA polymerase beta subunit external 1 domain / RNA polymerase, alpha subunit, C-terminal / Bacterial RNA polymerase, alpha chain C terminal domain / DNA-directed RNA polymerase, alpha subunit / DNA-directed RNA polymerase beta subunit, bacterial-type / RNA polymerase Rpb6 / RNA polymerase, subunit omega/Rpo6/RPB6 / RNA polymerase Rpb6 / RNA polymerase Rpb1, domain 3 superfamily / RNA polymerase Rpb1, clamp domain superfamily / RPB6/omega subunit-like superfamily / DNA-directed RNA polymerase, subunit beta-prime / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb2, domain 2 superfamily / RNA polymerase Rpb1, domain 1 / RNA polymerase Rpb1, domain 1 / RNA polymerase, alpha subunit / RNA polymerase Rpb1, domain 4 / RNA polymerase Rpb1, domain 2 / RNA polymerase Rpb1, domain 4 / RNA polymerase, N-terminal / RNA polymerase Rpb1, funnel domain superfamily / RNA polymerase I subunit A N-terminus / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 5 / RNA polymerase, beta subunit, protrusion / RNA polymerase beta subunit / DNA-directed RNA polymerase, insert domain / DNA-directed RNA polymerase, RpoA/D/Rpb3-type / RNA polymerase Rpb3/RpoA insert domain / RNA polymerase Rpb3/Rpb11 dimerisation domain / RNA polymerases D / DNA-directed RNA polymerase, insert domain superfamily / RNA polymerase, RBP11-like subunit / RNA polymerase Rpb2, domain 2 / RNA polymerase Rpb2, domain 2 / RNA polymerase, beta subunit, conserved site / RNA polymerase Rpb2, domain 7 / RNA polymerase Rpb2, domain 3 / RNA polymerase Rpb2, OB-fold / RNA polymerase Rpb2, domain 7 / RNA polymerase Rpb2, domain 3 / RNA polymerases beta chain signature. / DNA-directed RNA polymerase, subunit 2, hybrid-binding domain / DNA-directed RNA polymerase, subunit 2 / DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamily / RNA polymerase Rpb2, domain 6
Similarity search - Domain/homology
RNA polymerase sigma-54 factor / RNA polymerase sigma-54 factor / DNA-directed RNA polymerase subunit alpha / DNA-directed RNA polymerase subunit omega / DNA-directed RNA polymerase subunit beta' / DNA-directed RNA polymerase subunit beta
Similarity search - Component
Biological speciesEscherichia coli K-12 (bacteria) / Klebsiella pneumoniae (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsGlyde R / Ye FZ / Darbari VC / Zhang N / Buck M / Zhang XD
Funding support United Kingdom, 2 items
OrganizationGrant numberCountry
Biotechnology and Biological Sciences Research CouncilBB/N007816 United Kingdom
Wellcome TrustWT/098412 United Kingdom
CitationJournal: Mol Cell / Year: 2017
Title: Structures of RNA Polymerase Closed and Intermediate Complexes Reveal Mechanisms of DNA Opening and Transcription Initiation.
Authors: Robert Glyde / Fuzhou Ye / Vidya Chandran Darbari / Nan Zhang / Martin Buck / Xiaodong Zhang /
Abstract: Gene transcription is carried out by RNA polymerases (RNAPs). For transcription to occur, the closed promoter complex (RPc), where DNA is double stranded, must isomerize into an open promoter complex ...Gene transcription is carried out by RNA polymerases (RNAPs). For transcription to occur, the closed promoter complex (RPc), where DNA is double stranded, must isomerize into an open promoter complex (RPo), where the DNA is melted out into a transcription bubble and the single-stranded template DNA is delivered to the RNAP active site. Using a bacterial RNAP containing the alternative σ factor and cryoelectron microscopy, we determined structures of RPc and the activator-bound intermediate complex en route to RPo at 3.8 and 5.8 Å. Our structures show how RNAP-σ interacts with promoter DNA to initiate the DNA distortions required for transcription bubble formation, and how the activator interacts with RPc, leading to significant conformational changes in RNAP and σ that promote RPo formation. We propose that DNA melting is an active process initiated in RPc and that the RNAP conformations of intermediates are significantly different from that of RPc and RPo.
History
DepositionApr 26, 2017-
Header (metadata) releaseJun 28, 2017-
Map releaseJun 28, 2017-
UpdateDec 11, 2019-
Current statusDec 11, 2019Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.01
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  • Surface view colored by radius
  • Surface level: 0.01
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  • Surface view with fitted model
  • Atomic models: PDB-5nsr
  • Surface level: 0.01
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_3695.png

Downloads & links

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Map

FileDownload / File: emd_3695.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.06 Å
Density
Contour LevelBy SOFTWARE: 0.008 / Movie #1: 0.01
Minimum - Maximum-0.037713684 - 0.079863295
Average (Standard dev.)0.00034051307 (±0.0025046077)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 271.36 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.061.061.06
M x/y/z256256256
origin x/y/z0.0000.0000.000
length x/y/z271.360271.360271.360
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS256256256
D min/max/mean-0.0380.0800.000

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Supplemental data

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Sample components

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Entire : Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with prom...

EntireName: Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex
Components
  • Complex: Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex
    • Complex: Escherichia coli core RNA polymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit alphaPolymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit betaPolymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit beta'Polymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit omegaPolymerase
    • Complex: Sigma-54 transcription initiation factor
      • Protein or peptide: RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor
    • Complex: Sigma-54 promoter DNA
      • DNA: Non-Template promoter DNA
      • DNA: Template DNA promoter

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Supramolecule #1: Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with prom...

SupramoleculeName: Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: Escherichia coli core RNA polymerase

SupramoleculeName: Escherichia coli core RNA polymerase / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#4
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)

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Supramolecule #3: Sigma-54 transcription initiation factor

SupramoleculeName: Sigma-54 transcription initiation factor / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #5
Source (natural)Organism: Klebsiella pneumoniae (bacteria)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)

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Supramolecule #4: Sigma-54 promoter DNA

SupramoleculeName: Sigma-54 promoter DNA / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #6-#7
Source (natural)Organism: Klebsiella pneumoniae (bacteria)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)

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Macromolecule #1: DNA-directed RNA polymerase subunit alpha

MacromoleculeName: DNA-directed RNA polymerase subunit alpha / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 36.55868 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MQGSVTEFLK PRLVDIEQVS STHAKVTLEP LERGFGHTLG NALRRILLSS MPGCAVTEVE IDGVLHEYST KEGVQEDILE ILLNLKGLA VRVQGKDEVI LTLNKSGIGP VTAADITHDG DVEIVKPQHV ICHLTDENAS ISMRIKVQRG RGYVPASTRI H SEEDERPI ...String:
MQGSVTEFLK PRLVDIEQVS STHAKVTLEP LERGFGHTLG NALRRILLSS MPGCAVTEVE IDGVLHEYST KEGVQEDILE ILLNLKGLA VRVQGKDEVI LTLNKSGIGP VTAADITHDG DVEIVKPQHV ICHLTDENAS ISMRIKVQRG RGYVPASTRI H SEEDERPI GRLLVDACYS PVERIAYNVE AARVEQRTDL DKLVIEMETN GTIDPEEAIR RAATILAEQL EAFVDLRDVR QP EVKEEKP EFDPILLRPV DDLELTVRSA NCLKAEAIHY IGDLVQRTEV ELLKTPNLGK KSLTEIKDVL ASRGLSLGMR LEN WPPASI ADE

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Macromolecule #2: DNA-directed RNA polymerase subunit beta

MacromoleculeName: DNA-directed RNA polymerase subunit beta / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 150.820875 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MVYSYTEKKR IRKDFGKRPQ VLDVPYLLSI QLDSFQKFIE QDPEGQYGLE AAFRSVFPIQ SYSGNSELQY VSYRLGEPVF DVQECQIRG VTYSAPLRVK LRLVIYEREA PEGTVKDIKE QEVYMGEIPL MTDNGTFVIN GTERVIVSQL HRSPGVFFDS D KGKTHSSG ...String:
MVYSYTEKKR IRKDFGKRPQ VLDVPYLLSI QLDSFQKFIE QDPEGQYGLE AAFRSVFPIQ SYSGNSELQY VSYRLGEPVF DVQECQIRG VTYSAPLRVK LRLVIYEREA PEGTVKDIKE QEVYMGEIPL MTDNGTFVIN GTERVIVSQL HRSPGVFFDS D KGKTHSSG KVLYNARIIP YRGSWLDFEF DPKDNLFVRI DRRRKLPATI ILRALNYTTE QILDLFFEKV IFEIRDNKLQ ME LVPERLR GETASFDIEA NGKVYVEKGR RITARHIRQL EKDDVKLIEV PVEYIAGKVV AKDYIDESTG ELICAANMEL SLD LLAKLS QSGHKRIETL FTNDLDHGPY ISETLRVDPT NDRLSALVEI YRMMRPGEPP TREAAESLFE NLFFSEDRYD LSAV GRMKF NRSLLREEIE GSGILSKDDI IDVMKKLIDI RNGKGEVDDI DHLGNRRIRS VGEMAENQFR VGLVRVERAV KERLS LGDL DTLMPQDMIN AKPISAAVKE FFGSSQLSQF MDQNNPLSEI THKRRISALG PGGLTRERAG FEVRDVHPTH YGRVCP IET PEGPNIGLIN SLSVYAQTNE YGFLETPYRK VTDGVVTDEI HYLSAIEEGN YVIAQANSNL DEEGHFVEDL VTCRSKG ES SLFSRDQVDY MDVSTQQVVS VGASLIPFLE HDDANRALMG ANMQRQAVPT LRADKPLVGT GMERAVAVDS GVTAVAKR G GVVQYVDASR IVIKVNEDEM YPGEAGIDIY NLTKYTRSNQ NTCINQMPCV SLGEPVERGD VLADGPSTDL GELALGQNM RVAFMPWNGY NFEDSILVSE RVVQEDRFTT IHIQELACVS RDTKLGPEEI TADIPNVGEA ALSKLDESGI VYIGAEVTGG DILVGKVTP KGETQLTPEE KLLRAIFGEK ASDVKDSSLR VPNGVSGTVI DVQVFTRDGV EKDKRALEIE EMQLKQAKKD L SEELQILE AGLFSRIRAV LVAGGVEAEK LDKLPRDRWL ELGLTDEEKQ NQLEQLAEQY DELKHEFEKK LEAKRRKITQ GD DLAPGVL KIVKVYLAVK RRIQPGDKMA GRHGNKGVIS KINPIEDMPY DENGTPVDIV LNPLGVPSRM NIGQILETHL GMA AKGIGD KINAMLKQQQ EVAKLREFIQ RAYDLGADVR QKVDLSTFSD EEVMRLAENL RKGMPIATPV FDGAKEAEIK ELLK LGDLP TSGQIRLYDG RTGEQFERPV TVGYMYMLKL NHLVDDKMHA RSTGSYSLVT QQPLGGKAQF GGQRFGEMEV WALEA YGAA YTLQEMLTVK SDDVNGRTKM YKNIVDGNHQ MEPGMPESFN VLLKEIRSLG INIELEDE

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Macromolecule #3: DNA-directed RNA polymerase subunit beta'

MacromoleculeName: DNA-directed RNA polymerase subunit beta' / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 155.366781 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MKDLLKFLKA QTKTEEFDAI KIALASPDMI RSWSFGEVKK PETINYRTFK PERDGLFCAR IFGPVKDYEC LCGKYKRLKH RGVICEKCG VEVTQTKVRR ERMGHIELAS PTAHIWFLKS LPSRIGLLLD MPLRDIERVL YFESYVVIEG GMTNLERQQI L TEEQYLDA ...String:
MKDLLKFLKA QTKTEEFDAI KIALASPDMI RSWSFGEVKK PETINYRTFK PERDGLFCAR IFGPVKDYEC LCGKYKRLKH RGVICEKCG VEVTQTKVRR ERMGHIELAS PTAHIWFLKS LPSRIGLLLD MPLRDIERVL YFESYVVIEG GMTNLERQQI L TEEQYLDA LEEFGDEFDA KMGAEAIQAL LKSMDLEQEC EQLREELNET NSETKRKKLT KRIKLLEAFV QSGNKPEWMI LT VLPVLPP DLRPLVPLDG GRFATSDLND LYRRVINRNN RLKRLLDLAA PDIIVRNEKR MLQEAVDALL DNGRRGRAIT GSN KRPLKS LADMIKGKQG RFRQNLLGKR VDYSGRSVIT VGPYLRLHQC GLPKKMALEL FKPFIYGKLE LRGLATTIKA AKKM VEREE AVVWDILDEV IREHPVLLNR APTLHRLGIQ AFEPVLIEGK AIQLHPLVCA AYNADFDGDQ MAVHVPLTLE AQLEA RALM MSTNNILSPA NGEPIIVPSQ DVVLGLYYMT RDCVNAKGEG MVLTGPKEAE RLYRSGLASL HARVKVRITE YEKDAN GEL VAKTSLKDTT VGRAILWMIV PKGLPYSIVN QALGKKAISK MLNTCYRILG LKPTVIFADQ IMYTGFAYAA RSGASVG ID DMVIPEKKHE IISEAEAEVA EIQEQFQSGL VTAGERYNKV IDIWAAANDR VSKAMMDNLQ TETVINRDGQ EEKQVSFN S IYMMADSGAR GSAAQIRQLA GMRGLMAKPD GSIIETPITA NFREGLNVLQ YFISTHGARK GLADTALKTA NSGYLTRRL VDVAQDLVVT EDDCGTHEGI MMTPVIEGGD VKEPLRDRVL GRVTAEDVLK PGTADILVPR NTLLHEQWCD LLEENSVDAV KVRSVVSCD TDFGVCAHCY GRDLARGHII NKGEAIGVIA AQSIGEPGTQ LTMRTFHIGG AASRAAAESS IQVKNKGSIK L SNVKSVVN SSGKLVITSR NTELKLIDEF GRTKESYKVP YGAVLAKGDG EQVAGGETVA NWDPHTMPVI TEVSGFVRFT DM IDGQTIT RQTDELTGLS SLVVLDSAER TAGGKDLRPA LKIVDAQGND VLIPGTDMPA QYFLPGKAIV QLEDGVQISS GDT LARIPQ ESGGTKDITG GLPRVADLFE ARRPKEPAIL AEISGIVSFG KETKGKRRLV ITPVDGSDPY EEMIPKWRQL NVFE GERVE RGDVISDGPE APHDILRLRG VHAVTRYIVN EVQDVYRLQG VKINDKHIEV IVRQMLRKAT IVNAGSSDFL EGEQV EYSR VKIANRELEA NGKVGATYSR DLLGITKASL ATESFISAAS FQETTRVLTE AAVAGKRDEL RGLKENVIVG RLIPAG TGY AYHQDRMRRR AAGEAPAAPQ VTAEDASASL AELLNAGLGG SDNE

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Macromolecule #4: DNA-directed RNA polymerase subunit omega

MacromoleculeName: DNA-directed RNA polymerase subunit omega / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 10.249547 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MARVTVQDAV EKIGNRFDLV LVAARRARQM QVGGKDPLVP EENDKTTVIA LREIEEGLIN NQILDVRERQ EQQEQEAAEL QAVTAIAEG RR

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Macromolecule #5: RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA...

MacromoleculeName: RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA ...Name: RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor,RNA polymerase sigma-54 factor
type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Klebsiella pneumoniae (bacteria)
Molecular weightTheoretical: 62.158797 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MKQGLQLRLS QQLAMTPQLQ QAIRLLQLST LELQQELQQA LESNPLLEQT DLHDEVEAKE VEDRESLDTV DALEQKEMPD ELPLDASWD EIYTAGTPSG NGVDYQDDEL PVYQGETT(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK) ...String:
MKQGLQLRLS QQLAMTPQLQ QAIRLLQLST LELQQELQQA LESNPLLEQT DLHDEVEAKE VEDRESLDTV DALEQKEMPD ELPLDASWD EIYTAGTPSG NGVDYQDDEL PVYQGETT(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)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)QTLQDY LMWQVELTPF TDTDRAIATS IVDA VDDTG YLTIQIEDIV DSIGDDEIGL EEVEAVLKRI QRFDPVGVAA KDLRDCLLIQ LSQFAKETPW LEEARLIISD HLDLL ANHD FRTLMRVTRL KEEVLKEAVN LIQSLDPRPG QSIHTSEPEY VIPDVLVRKV SGRWTVELNA DSIPRLKINQ QYAA (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)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)MGNSARN DAD GQFIRS NLQEARWLIK SLESRNDTLL RVSRCIVEQQ QAFFEQGEEY MKPMVLADIA QAVEMHESTI SRVTTQKYLH SPRG IFELK YFFSSHVNTE GGGE(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)ASSTAIRAL VKKLIAAENP AKPLSDSKLT SMLSEQGIMV ARRTVAKYRE SLSIPPSNQR K QLV

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Macromolecule #6: Non-Template promoter DNA

MacromoleculeName: Non-Template promoter DNA / type: dna / ID: 6 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Klebsiella pneumoniae (bacteria)
Molecular weightTheoretical: 19.40441 KDa
SequenceString: (DA)(DC)(DA)(DT)(DG)(DA)(DA)(DT)(DG)(DC) (DG)(DC)(DA)(DA)(DC)(DA)(DG)(DC)(DA)(DT) (DG)(DC)(DG)(DC)(DG)(DC)(DC)(DC)(DA) (DG)(DG)(DG)(DC)(DT)(DG)(DA)(DT)(DC)(DG) (DT) (DG)(DC)(DA)(DA)(DA)(DA) ...String:
(DA)(DC)(DA)(DT)(DG)(DA)(DA)(DT)(DG)(DC) (DG)(DC)(DA)(DA)(DC)(DA)(DG)(DC)(DA)(DT) (DG)(DC)(DG)(DC)(DG)(DC)(DC)(DC)(DA) (DG)(DG)(DG)(DC)(DT)(DG)(DA)(DT)(DC)(DG) (DT) (DG)(DC)(DA)(DA)(DA)(DA)(DG)(DT) (DC)(DG)(DT)(DG)(DC)(DC)(DA)(DG)(DC)(DC) (DG)(DT) (DC)(DT)(DC)

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Macromolecule #7: Template DNA promoter

MacromoleculeName: Template DNA promoter / type: dna / ID: 7 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Klebsiella pneumoniae (bacteria)
Molecular weightTheoretical: 19.439387 KDa
SequenceString: (DG)(DA)(DG)(DA)(DC)(DG)(DG)(DC)(DT)(DG) (DG)(DC)(DA)(DC)(DG)(DA)(DC)(DT)(DT)(DT) (DT)(DG)(DC)(DC)(DA)(DG)(DA)(DT)(DC) (DA)(DG)(DC)(DC)(DC)(DT)(DG)(DG)(DG)(DC) (DG) (DC)(DG)(DC)(DA)(DT)(DG) ...String:
(DG)(DA)(DG)(DA)(DC)(DG)(DG)(DC)(DT)(DG) (DG)(DC)(DA)(DC)(DG)(DA)(DC)(DT)(DT)(DT) (DT)(DG)(DC)(DC)(DA)(DG)(DA)(DT)(DC) (DA)(DG)(DC)(DC)(DC)(DT)(DG)(DG)(DG)(DC) (DG) (DC)(DG)(DC)(DA)(DT)(DG)(DC)(DT) (DG)(DT)(DT)(DG)(DC)(DG)(DC)(DA)(DT)(DT) (DC)(DA) (DT)(DG)(DT)

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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 / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 1.4 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

5byh
PDB Unreleased entry

Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 1.4) / Number images used: 80810

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-5nsr:
Cryo-EM structure of RNA polymerase-sigma54 holo enzyme with promoter DNA closed complex

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Jul 12, 2017. Major update of PDB

Major update of PDB

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External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

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Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

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