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- EMDB-3561: map of the RNA polymerase lambda-based antitermination complex so... -

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Basic information

Entry
Database: EMDB / ID: EMD-3561
Titlemap of the RNA polymerase lambda-based antitermination complex solved by cryo-EM
Map data
Sample
  • Complex: lambdaN-dependent antitermination complex
    • Protein or peptide: x 9 types
    • RNA: x 2 types
    • DNA: x 2 types
  • Ligand: x 2 types
KeywordsTRANSCRIPTION/DNA/RNA / DNA-DEPENDENT RNA POLYMERASE / BACTERIAL TRANSCRIPTION / TERNARY ELONGATION COMPLEX / ANTITERMINATION / TRANSCRIPTION-DNA-RNA complex
Function / homology
Function and homology information


RNA polymerase binding / RNA polymerase complex / transcription elongation-coupled chromatin remodeling / submerged biofilm formation / cellular response to cell envelope stress / regulation of DNA-templated transcription initiation / protein complex oligomerization / bacterial-type flagellum assembly / bacterial-type RNA polymerase core enzyme binding / transcription antitermination factor activity, RNA binding ...RNA polymerase binding / RNA polymerase complex / transcription elongation-coupled chromatin remodeling / submerged biofilm formation / cellular response to cell envelope stress / regulation of DNA-templated transcription initiation / protein complex oligomerization / bacterial-type flagellum assembly / bacterial-type RNA polymerase core enzyme binding / transcription antitermination factor activity, RNA binding / cytosolic DNA-directed RNA polymerase complex / bacterial-type flagellum-dependent cell motility / nitrate assimilation / transcription elongation factor complex / regulation of DNA-templated transcription elongation / transcription antitermination / DNA-templated transcription initiation / cell motility / DNA-templated transcription termination / ribonucleoside binding / : / : / : / : / : / : / DNA-directed RNA polymerase / RNA stem-loop binding / ribosome biogenesis / response to heat / small ribosomal subunit / protein-containing complex assembly / cytosolic small ribosomal subunit / intracellular iron ion homeostasis / cytoplasmic translation / tRNA binding / single-stranded RNA binding / protein dimerization activity / structural constituent of ribosome / protein domain specific binding / DNA-binding transcription factor activity / response to antibiotic / nucleotide binding / regulation of transcription by RNA polymerase II / magnesium ion binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Antitermination protein N, arginine-rich motif / 36-mer N-terminal peptide of the N protein (N36) / NusB antitermination factor / NusB/RsmB/TIM44 / NusB family / NusB-like superfamily / Transcription termination factor NusA, C-terminal duplication / Transcription termination factor NusA / Transcription factor NusA, N-terminal / KH domain, NusA-like ...Antitermination protein N, arginine-rich motif / 36-mer N-terminal peptide of the N protein (N36) / NusB antitermination factor / NusB/RsmB/TIM44 / NusB family / NusB-like superfamily / Transcription termination factor NusA, C-terminal duplication / Transcription termination factor NusA / Transcription factor NusA, N-terminal / KH domain, NusA-like / NusA, N-terminal domain superfamily / NusA N-terminal domain / NusA-like KH domain / Transcription termination/antitermination protein NusA, bacterial / : / Transcription antitermination protein, NusG / Transcription antitermination protein, NusG, bacteria, conserved site / Transcription termination factor nusG signature. / NusG-like / Transcription termination factor nusG / NusG, N-terminal / In Spt5p, this domain may confer affinity for Spt4p. It possesses a RNP-like fold. / DNA repair Rad51/transcription factor NusA, alpha-helical / Type-1 KH domain profile. / NusG, N-terminal domain superfamily / Helix-hairpin-helix domain / S1 domain profile. / 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 / Ribosomal protein S1-like RNA-binding domain / S1 RNA binding domain / S1 domain / DNA-directed RNA polymerase, subunit beta-prime / RNA polymerase Rpb6 / RNA polymerase, subunit omega/Rpo6/RPB6 / RNA polymerase Rpb6 / RNA polymerase Rpb2, domain 2 superfamily / RNA polymerase Rpb1, domain 3 superfamily / RPB6/omega subunit-like superfamily / 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 / RNA polymerase Rpb1, clamp domain superfamily / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 3 / RNA polymerase Rpb1, domain 1 / RNA polymerase Rpb1, domain 1 / RNA polymerase, beta subunit, protrusion / RNA polymerase beta subunit / RNA polymerase, alpha subunit / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 4 / RNA polymerase Rpb1, domain 2 / RNA polymerase Rpb1, domain 5 / RNA polymerase Rpb1, domain 4 / DNA-directed RNA polymerase, insert domain superfamily / RNA polymerase, N-terminal / RNA polymerase Rpb1, funnel domain superfamily / RNA polymerase I subunit A N-terminus / 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 / Ribosomal protein S10, conserved site / Ribosomal protein S10 signature. / Ribosomal protein S10 / K homology domain superfamily, prokaryotic type / K homology domain-like, alpha/beta / Ribosomal protein S10p/S20e / Ribosomal protein S10 domain / Ribosomal protein S10 domain superfamily / Ribosomal protein S10p/S20e / KOW (Kyprides, Ouzounis, Woese) motif. / Translation protein SH3-like domain superfamily / KOW motif / KOW / Ribosomal protein L2, domain 2 / Nucleic acid-binding, OB-fold
Similarity search - Domain/homology
Antitermination protein N / Transcription antitermination protein NusB / Small ribosomal subunit protein uS10 / DNA-directed RNA polymerase subunit alpha / DNA-directed RNA polymerase subunit omega / DNA-directed RNA polymerase subunit beta' / DNA-directed RNA polymerase subunit beta / Transcription termination/antitermination protein NusA / Transcription termination/antitermination protein NusG
Similarity search - Component
Biological speciesEscherichia coli (E. coli) / Escherichia phage lambda (virus) / Escherichia coli K-12 (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 9.8 Å
AuthorsSaid N / Krupp F
Funding support Germany, 1 items
OrganizationGrant numberCountry
German Research FoundationSFB740 Germany
CitationJournal: Nat Microbiol / Year: 2017
Title: Structural basis for λN-dependent processive transcription antitermination.
Authors: Nelly Said / Ferdinand Krupp / Ekaterina Anedchenko / Karine F Santos / Olexandr Dybkov / Yong-Heng Huang / Chung-Tien Lee / Bernhard Loll / Elmar Behrmann / Jörg Bürger / Thorsten Mielke ...Authors: Nelly Said / Ferdinand Krupp / Ekaterina Anedchenko / Karine F Santos / Olexandr Dybkov / Yong-Heng Huang / Chung-Tien Lee / Bernhard Loll / Elmar Behrmann / Jörg Bürger / Thorsten Mielke / Justus Loerke / Henning Urlaub / Christian M T Spahn / Gert Weber / Markus C Wahl /
Abstract: λN-mediated processive antitermination constitutes a paradigmatic transcription regulatory event, during which phage protein λN, host factors NusA, NusB, NusE and NusG, and an RNA nut site render ...λN-mediated processive antitermination constitutes a paradigmatic transcription regulatory event, during which phage protein λN, host factors NusA, NusB, NusE and NusG, and an RNA nut site render elongating RNA polymerase termination-resistant. The structural basis of the process has so far remained elusive. Here we describe a crystal structure of a λN-NusA-NusB-NusE-nut site complex and an electron cryo-microscopic structure of a complete transcription antitermination complex, comprising RNA polymerase, DNA, nut site RNA, all Nus factors and λN, validated by crosslinking/mass spectrometry. Due to intrinsic disorder, λN can act as a multiprotein/RNA interaction hub, which, together with nut site RNA, arranges NusA, NusB and NusE into a triangular complex. This complex docks via the NusA N-terminal domain and the λN C-terminus next to the RNA exit channel on RNA polymerase. Based on the structures, comparative crosslinking analyses and structure-guided mutagenesis, we hypothesize that λN mounts a multipronged strategy to reprogram the transcriptional machinery, which may include (1) the λN C terminus clamping the RNA exit channel, thus stabilizing the DNA:RNA hybrid; (2) repositioning of NusA and RNAP elements, thus redirecting nascent RNA and sequestering the upstream branch of a terminator hairpin; and (3) hindering RNA engagement of termination factor ρ and/or obstructing ρ translocation on the transcript.
History
DepositionDec 29, 2016-
Header (metadata) releaseMay 3, 2017-
Map releaseMay 3, 2017-
UpdateMay 15, 2024-
Current statusMay 15, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.007
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 0.007
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-5ms0
  • Surface level: 0.007
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_3561.png

Downloads & links

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Map

FileDownload / File: emd_3561.map.gz / Format: CCP4 / Size: 52.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.28 Å/pix.
x 240 pix.
= 307.2 Å		1.28 Å/pix.
x 240 pix.
= 307.2 Å		1.28 Å/pix.
x 240 pix.
= 307.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.28 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy EMDB: 0.007 / Movie #1: 0.007
Minimum - Maximum-0.012556402 - 0.028230608
Average (Standard dev.)0.0003642441 (±0.0021255864)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin-120-120-120
Dimensions240240240
Spacing240240240
CellA=B=C: 307.19998 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.281.281.28
M x/y/z240240240
origin x/y/z0.0000.0000.000
length x/y/z307.200307.200307.200
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS-120-120-120
NC/NR/NS240240240
D min/max/mean-0.0130.0280.000

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Supplemental data

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Sample components

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Entire : lambdaN-dependent antitermination complex

EntireName: lambdaN-dependent antitermination complex
Components
  • Complex: lambdaN-dependent antitermination complex
    • Protein or peptide: Antitermination protein N
    • RNA: nascent RNA
    • Protein or peptide: DNA-directed RNA polymerase subunit alpha
    • Protein or peptide: DNA-directed RNA polymerase subunit beta
    • Protein or peptide: DNA-directed RNA polymerase subunit beta'
    • Protein or peptide: 30S ribosomal protein S10
    • Protein or peptide: Transcription termination/antitermination protein NusG
    • RNA: RNA transcription bubble
    • DNA: DNAI
    • DNA: DNAII
    • Protein or peptide: Transcription antitermination protein NusB
    • Protein or peptide: Transcription termination/antitermination protein NusA
    • Protein or peptide: DNA-directed RNA polymerase subunit omega
  • Ligand: MAGNESIUM ION
  • Ligand: ZINC ION

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Supramolecule #1: lambdaN-dependent antitermination complex

SupramoleculeName: lambdaN-dependent antitermination complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#13
Source (natural)Organism: Escherichia coli (E. coli)

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Macromolecule #1: Antitermination protein N

MacromoleculeName: Antitermination protein N / type: protein_or_peptide / ID: 1 / Details: lambda N factor / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia phage lambda (virus)
Molecular weightTheoretical: 9.877343 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
AAQTRRRERR AEKQAQWKAA NPLLVGVSAK PVNRPILSLN RKPKSRVESA LNPIADLTVA EYHKQIESNL QRIERKNQRT WYSKP

UniProtKB: Antitermination protein N

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Macromolecule #3: DNA-directed RNA polymerase subunit alpha

MacromoleculeName: DNA-directed RNA polymerase subunit alpha / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 36.55868 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
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

UniProtKB: DNA-directed RNA polymerase subunit alpha

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Macromolecule #4: DNA-directed RNA polymerase subunit beta

MacromoleculeName: DNA-directed RNA polymerase subunit beta / 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: 150.804922 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
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 MVQNNPLSEI 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

UniProtKB: DNA-directed RNA polymerase subunit beta

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Macromolecule #5: DNA-directed RNA polymerase subunit beta'

MacromoleculeName: DNA-directed RNA polymerase subunit beta' / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 156.537031 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
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 SDNELEVHHH HHH

UniProtKB: DNA-directed RNA polymerase subunit beta'

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Macromolecule #6: 30S ribosomal protein S10

MacromoleculeName: 30S ribosomal protein S10 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 11.340067 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
QRIRIRLKAF DHRLIDQATA EIVETAKRTG AQVRGPIPLP TRSERFTVLI SPHVNKDARD QYEIRTHLRL VDIVEPTEKT VDALMRLDL AAGVDVQISL G

UniProtKB: Small ribosomal subunit protein uS10

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Macromolecule #7: Transcription termination/antitermination protein NusG

MacromoleculeName: Transcription termination/antitermination protein NusG
type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 20.688654 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
GAMSEAPKKR WYVVQAFSGF EGRVATSLRE HIKLHNMEDL FGEVMVPTEE VVEIRGGQRR KSERKFFPGY VLVQMVMNDA SWHLVRSVP RVMGFIGGTS DRPAPISDKE VDAIMNRLQQ VGDKPRPKTL FEPGEMVRVN DGPFADFNGV VEEVDYEKSR L KVSVSIFG RATPVELDFS QVEKA

UniProtKB: Transcription termination/antitermination protein NusG

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Macromolecule #11: Transcription antitermination protein NusB

MacromoleculeName: Transcription antitermination protein NusB / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 15.709967 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
MEPAARRRAR ECAVQALYSW QLSQNDIADV EYQFLAEQDV KDVDVLYFRE LLAGVATNTA YLDGLMKPYL SRLLEELGQV EKAVLRIAL YELSKRSDVP YKVAINEAIE LAKSFGAEDS HKFVNGVLDK AAPVIRPNKK

UniProtKB: Transcription antitermination protein NusB

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Macromolecule #12: Transcription termination/antitermination protein NusA

MacromoleculeName: Transcription termination/antitermination protein NusA
type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Molecular weightTheoretical: 55.059828 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: GAMNKEILAV VEAVSNEKAL PREKIFEALE SALATATKKK YEQEIDVRVQ IDRKSGDFDT FRRWLVVDEV TQPTKEITLE AARYEDESL NLGDYVEDQI ESVTFDRITT QTAKQVIVQK VREAERAMVV DQFREHEGEI ITGVVKKVNR DNISLDLGNN A EAVILRED ...String:
GAMNKEILAV VEAVSNEKAL PREKIFEALE SALATATKKK YEQEIDVRVQ IDRKSGDFDT FRRWLVVDEV TQPTKEITLE AARYEDESL NLGDYVEDQI ESVTFDRITT QTAKQVIVQK VREAERAMVV DQFREHEGEI ITGVVKKVNR DNISLDLGNN A EAVILRED MLPRENFRPG DRVRGVLYSV RPEARGAQLF VTRSKPEMLI ELFRIEVPEI GEEVIEIKAA ARDPGSRAKI AV KTNDKRI DPVGACVGMR GARVQAVSTE LGGERIDIVL WDDNPAQFVI NAMAPADVAS IVVDEDKHTM DIAVEAGNLA QAI GRNGQN VRLASQLSGW ELNVMTVDDL QAKHQAEAHA AIDTFTKYLD IDEDFATVLV EEGFSTLEEL AYVPMKELLE IEGL DEPTV EALRERAKNA LATIAQAQQE SLGDNKPADD LLNLEGVDRD LAFKLAARGV CTLEDLAEQG IDDLADIEGL TDEKA GALI MAARNICWFG DEA

UniProtKB: Transcription termination/antitermination protein NusA

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Macromolecule #13: DNA-directed RNA polymerase subunit omega

MacromoleculeName: DNA-directed RNA polymerase subunit omega / type: protein_or_peptide / ID: 13 / 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 (E. coli)
SequenceString:
MARVTVQDAV EKIGNRFDLV LVAARRARQM QVGGKDPLVP EENDKTTVIA LREIEEGLIN NQILDVRERQ EQQEQEAAEL QAVTAIAEG RR

UniProtKB: DNA-directed RNA polymerase subunit omega

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Macromolecule #2: nascent RNA

MacromoleculeName: nascent RNA / type: rna / ID: 2 / Number of copies: 1
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 9.33965 KDa
SequenceString:
AUCUUUAAAA AUAAGCCCUG AAGAAGGGC

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Macromolecule #8: RNA transcription bubble

MacromoleculeName: RNA transcription bubble / type: rna / ID: 8 / Number of copies: 1
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 4.492788 KDa
SequenceString:
CAUAAAGACC AGGC

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Macromolecule #9: DNAI

MacromoleculeName: DNAI / type: dna / ID: 9 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 8.355408 KDa
SequenceString:
(DG)(DG)(DC)(DA)(DG)(DT)(DA)(DC)(DT)(DA) (DG)(DT)(DA)(DA)(DA)(DG)(DT)(DA)(DC)(DT) (DT)(DG)(DA)(DG)(DC)(DT)(DT)

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Macromolecule #10: DNAII

MacromoleculeName: DNAII / type: dna / ID: 10 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Escherichia coli (E. coli)
Molecular weightTheoretical: 11.942696 KDa
SequenceString:
(DA)(DA)(DG)(DC)(DT)(DC)(DA)(DA)(DG)(DT) (DA)(DC)(DT)(DT)(DA)(DA)(DG)(DC)(DC)(DT) (DG)(DG)(DT)(DC)(DA)(DT)(DT)(DA)(DC) (DT)(DA)(DG)(DT)(DA)(DC)(DT)(DG)(DC)(DC)

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Macromolecule #14: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 14 / Number of copies: 1 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #15: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 15 / Number of copies: 2 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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: 7.5
VitrificationCryogen name: ETHANE
Details10 mM HEPES-NaOH, pH 7.5, 50 mM NaCl, 1 mM DTT

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Electron microscopy

MicroscopeFEI POLARA 300
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Average electron dose: 1.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Tecnai Polara / Image courtesy: FEI Company

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Image processing

Startup modelType of model: INSILICO MODEL
Details: Generate from class averages using the VIPER algorithm.
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 9.8 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 23983
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING

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