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- EMDB-11972: Overall map of a transcribing RNA polymerase II-U1 snRNP complex ... -

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Basic information

Entry
Database: EMDB / ID: EMD-11972
TitleOverall map of a transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA
Map dataSharpened map
Sample
  • Complex: The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA
    • Complex: RNA polymerase II
      • Protein or peptide: x 12 types
    • Complex: Nucleic acidsNucleic acid
      • DNA: x 2 types
      • RNA: x 1 types
    • Complex: U1 snRNP
      • RNA: x 1 types
      • Protein or peptide: x 9 types
  • Ligand: x 2 types
Function / homology
Function and homology information


negative regulation of protein refolding / regulation of ATP-dependent activity / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / U7 snRNP / histone pre-mRNA 3'end processing complex / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / protein methylation ...negative regulation of protein refolding / regulation of ATP-dependent activity / U2 snRNP binding / U7 snRNA binding / histone pre-mRNA DCP binding / U7 snRNP / histone pre-mRNA 3'end processing complex / SLBP independent Processing of Histone Pre-mRNAs / SLBP Dependent Processing of Replication-Dependent Histone Pre-mRNAs / protein methylation / U12-type spliceosomal complex / methylosome / 7-methylguanosine cap hypermethylation / pICln-Sm protein complex / U1 snRNP binding / B-WICH complex positively regulates rRNA expression / RNA Polymerase I Transcription Initiation / RNA Polymerase I Promoter Escape / RNA Polymerase I Transcription Termination / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / Formation of RNA Pol II elongation complex / Formation of the Early Elongation Complex / Transcriptional regulation by small RNAs / RNA Polymerase II Pre-transcription Events / TP53 Regulates Transcription of DNA Repair Genes / FGFR2 alternative splicing / RNA polymerase II transcribes snRNA genes / mRNA Capping / mRNA Splicing - Major Pathway / mRNA Splicing - Minor Pathway / Processing of Capped Intron-Containing Pre-mRNA / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Elongation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA Pol II CTD phosphorylation and interaction with CE / Estrogen-dependent gene expression / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / spliceosomal tri-snRNP complex / small nuclear ribonucleoprotein complex / P granule / SMN-Sm protein complex / U2-type spliceosomal complex / telomerase RNA binding / telomerase holoenzyme complex / positive regulation of mRNA splicing, via spliceosome / U2-type precatalytic spliceosome / negative regulation of chaperone-mediated autophagy / : / U2-type prespliceosome assembly / commitment complex / U2-type catalytic step 2 spliceosome / U4 snRNP / U2 snRNP / RNA Polymerase II Transcription Termination / U1 snRNP / U2-type prespliceosome / : / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / precatalytic spliceosome / spliceosomal complex assembly / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / mRNA Splicing - Minor Pathway / regulation of RNA splicing / positive regulation of translational initiation / RNA polymerase II activity / organelle membrane / transcription-coupled nucleotide-excision repair / U5 snRNP / RNA polymerase I complex / transcription by RNA polymerase I / RNA polymerase III complex / transcription by RNA polymerase III / spliceosomal snRNP assembly / RNA polymerase II, core complex / translation initiation factor binding / U1 snRNA binding / U4/U6 x U5 tri-snRNP complex / catalytic step 2 spliceosome / mRNA Splicing - Major Pathway / positive regulation of RNA splicing / DNA-directed RNA polymerase complex / RNA splicing / promoter-specific chromatin binding / P-body / transcription initiation at RNA polymerase II promoter / spliceosomal complex / ribonucleoside binding / mRNA splicing, via spliceosome / fibrillar center / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / single-stranded DNA binding / chromosome / snRNP Assembly
Similarity search - Function
snRNP70, RNA recognition motif / U1 small nuclear ribonucleoprotein of 70kDa N-terminal / U1 small nuclear ribonucleoprotein of 70kDa MW N terminal / Small ribonucleoprotein associated, SmB/SmN / U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 1 / Small nuclear ribonucleoprotein D1 / RNA-binding domain, S1 / Small nuclear ribonucleoprotein Sm D3 / Small nuclear ribonucleoprotein Sm D2 ...snRNP70, RNA recognition motif / U1 small nuclear ribonucleoprotein of 70kDa N-terminal / U1 small nuclear ribonucleoprotein of 70kDa MW N terminal / Small ribonucleoprotein associated, SmB/SmN / U1 small nuclear ribonucleoprotein A, RNA recognition motif 2 / U1 small nuclear ribonucleoprotein A, RNA recognition motif 1 / Small nuclear ribonucleoprotein D1 / RNA-binding domain, S1 / Small nuclear ribonucleoprotein Sm D3 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein F / Sm-like protein Lsm7/SmG / Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3 / Sm-like protein Lsm6/SmF / LSM domain / LSM domain, eukaryotic/archaea-type / snRNP Sm proteins / : / Sm domain profile. / LSM domain superfamily / DNA-directed RNA polymerase II subunit Rpb4-like / RNA polymerase Rpb4/RPC9, core / DNA-directed RNA-polymerase II subunit / RNA polymerase II, heptapeptide repeat, eukaryotic / RNA polymerase Rpb1, domain 6 / RNA polymerase Rpb1, domain 6 / RNA polymerase Rpb1 C-terminal repeat / Eukaryotic RNA polymerase II heptapeptide repeat. / RNA polymerase Rpb1, domain 7 / RNA polymerase Rpb1, domain 7 superfamily / RNA polymerase Rpb1, domain 7 / Rpb4/RPC9 superfamily / Pol II subunit B9, C-terminal zinc ribbon / RNA polymerase RBP11 / RNA polymerase subunit Rpb4/RPC9 / RNA polymerase Rpb4 / Zinc finger TFIIS-type signature. / RNA polymerase subunit Rpb7-like / HRDC-like superfamily / RNA polymerase Rpb7-like , N-terminal / RNA polymerase Rpb7-like, N-terminal domain superfamily / SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397 / RNA polymerase Rpb2, domain 4 / RNA polymerase Rpb2, domain 4 / RNA polymerase Rpb2, domain 5 / RNA polymerase Rpb2, domain 5 / DNA-directed RNA polymerase, M/15kDa subunit / RNA polymerases M/15 Kd subunit / RNA polymerase subunit 9 / DNA-directed RNA polymerase subunit RPABC5/Rpb10 / RNA polymerases, subunit N, zinc binding site / RNA polymerase subunit RPB10 / RNA polymerases N / 8 kDa subunit / RNA polymerases N / 8 Kd subunits signature. / DNA-directed RNA polymerase M, 15kDa subunit, conserved site / RNA polymerases M / 15 Kd subunits signature. / DNA-directed RNA polymerase subunit/transcription factor S / RNA polymerase, Rpb8 / DNA-directed RNA polymerases I, II, and III subunit RPABC4 / RNA polymerase Rpb8 / RNA polymerase subunit 8 / RNA polymerase, Rpb5, N-terminal / RNA polymerase Rpb5, N-terminal domain superfamily / RNA polymerase Rpb5, N-terminal domain / DNA-directed RNA polymerase, subunit RPB6 / DNA-directed RNA polymerase subunit Rpo11 / DNA directed RNA polymerase, 7 kDa subunit / RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4 / RNA polymerase, subunit H/Rpb5, conserved site / RNA polymerases H / 23 Kd subunits signature. / RNA polymerase subunit CX / DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved site / DNA-directed RNA polymerase subunit Rpo5/Rpb5 / RNA polymerases L / 13 to 16 Kd subunits signature. / Zinc finger, TFIIS-type / Transcription factor S-II (TFIIS) / Zinc finger TFIIS-type profile. / C2C2 Zinc finger / DNA-directed RNA polymerase, 30-40kDa subunit, conserved site / DNA-directed RNA polymerase subunit Rpo3/Rpb3/RPAC1 / RNA polymerases D / 30 to 40 Kd subunits signature. / DNA-directed RNA polymerase, RBP11-like dimerisation domain / RNA polymerase Rpb3/Rpb11 dimerisation domain / RNA polymerase, subunit H/Rpb5 C-terminal / RNA polymerase subunit RPABC4/transcription elongation factor Spt4 / RPB5-like RNA polymerase subunit superfamily / RNA polymerase Rpb5, C-terminal domain / Archaeal Rpo6/eukaryotic RPB6 RNA polymerase subunit / DNA-directed RNA polymerase, 14-18kDa subunit, conserved site / RNA polymerases K / 14 to 18 Kd subunits signature. / Ribosomal protein S1-like RNA-binding domain / S1 RNA binding domain / S1 domain / RNA recognition motif / RNA recognition motif / Eukaryotic RNA Recognition Motif (RRM) profile. / RNA recognition motif domain / RNA polymerase Rpb6
Similarity search - Domain/homology
DNA-directed RNA polymerase subunit beta / RNA polymerase II subunit D / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase II subunit RPB11-a / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerase II subunit RPB3 / DNA-directed RNA polymerase II subunit RPB7 / RNA polymerase II, I and III subunit K / DNA-directed RNA polymerase II subunit E ...DNA-directed RNA polymerase subunit beta / RNA polymerase II subunit D / DNA-directed RNA polymerases I, II, and III subunit RPABC5 / DNA-directed RNA polymerase II subunit RPB11-a / DNA-directed RNA polymerases I, II, and III subunit RPABC2 / DNA-directed RNA polymerases I, II, and III subunit RPABC3 / DNA-directed RNA polymerase II subunit RPB3 / DNA-directed RNA polymerase II subunit RPB7 / RNA polymerase II, I and III subunit K / DNA-directed RNA polymerase II subunit E / U1 small nuclear ribonucleoprotein 70 kDa / U1 small nuclear ribonucleoprotein A / DNA-directed RNA polymerase II subunit RPB1 / DNA-directed RNA polymerase II subunit RPB9 / Small nuclear ribonucleoprotein E / Small nuclear ribonucleoprotein F / Small nuclear ribonucleoprotein G / Small nuclear ribonucleoprotein Sm D1 / Small nuclear ribonucleoprotein Sm D2 / Small nuclear ribonucleoprotein Sm D3 / Small nuclear ribonucleoprotein-associated protein
Similarity search - Component
Biological speciesSus scrofa domesticus (domestic pig) / synthetic construct (others) / Homo sapiens (human) / Human (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.6 Å
AuthorsZhang S / Aibara S / Vos SM / Agafonov DE / Luehrmann R / Cramer P
Funding support4 items
OrganizationGrant numberCountry
European Molecular Biology Organization (EMBO)ALTF 830-2018
European Research Council (ERC)882357
H2020 Marie Curie Actions of the European Commission894862
German Research Foundation (DFG)EXC 2067/1-390729940
CitationJournal: Science / Year: 2021
Title: Structure of a transcribing RNA polymerase II-U1 snRNP complex.
Authors: Suyang Zhang / Shintaro Aibara / Seychelle M Vos / Dmitry E Agafonov / Reinhard Lührmann / Patrick Cramer /
Abstract: To initiate cotranscriptional splicing, RNA polymerase II (Pol II) recruits the U1 small nuclear ribonucleoprotein particle (U1 snRNP) to nascent precursor messenger RNA (pre-mRNA). Here, we report ...To initiate cotranscriptional splicing, RNA polymerase II (Pol II) recruits the U1 small nuclear ribonucleoprotein particle (U1 snRNP) to nascent precursor messenger RNA (pre-mRNA). Here, we report the cryo-electron microscopy structure of a mammalian transcribing Pol II-U1 snRNP complex. The structure reveals that Pol II and U1 snRNP interact directly. This interaction positions the pre-mRNA 5' splice site near the RNA exit site of Pol II. Extension of pre-mRNA retains the 5' splice site, leading to the formation of a "growing intron loop." Loop formation may facilitate scanning of nascent pre-mRNA for the 3' splice site, functional pairing of distant intron ends, and prespliceosome assembly. Our results provide a starting point for a mechanistic analysis of cotranscriptional spliceosome assembly and the biogenesis of mRNA isoforms by alternative splicing.
History
DepositionNov 23, 2020-
Header (metadata) releaseJan 13, 2021-
Map releaseJan 13, 2021-
UpdateJan 27, 2021-
Current statusJan 27, 2021Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 3.8
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by radius
  • Surface level: 3.8
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7b0y
  • Surface level: 3.8
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_11972.png

Downloads & links

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Map

FileDownload / File: emd_11972.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSharpened map
Voxel sizeX=Y=Z: 1.05 Å
Density
Contour LevelBy AUTHOR: 3.8 / Movie #1: 3.8
Minimum - Maximum-24.010733 - 41.496452
Average (Standard dev.)1.1204568e-12 (±1.0)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderZYX
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 419.99997 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.051.051.05
M x/y/z400400400
origin x/y/z0.0000.0000.000
length x/y/z420.000420.000420.000
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ400400400
MAP C/R/S321
start NC/NR/NS000
NC/NR/NS400400400
D min/max/mean-24.01141.4960.000

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Supplemental data

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Mask #1

Fileemd_11972_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: Unsharpened map

Fileemd_11972_additional_1.map
AnnotationUnsharpened map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map 1

Fileemd_11972_half_map_1.map
AnnotationHalf map 1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half map 2

Fileemd_11972_half_map_2.map
AnnotationHalf map 2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA

EntireName: The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA
Components
  • Complex: The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA
    • Complex: RNA polymerase II
      • Protein or peptide: DNA-directed RNA polymerase II subunit RPB1Polymerase
      • Protein or peptide: DNA-directed RNA polymerase subunit betaPolymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit RPB3Polymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit DPolymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit EPolymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit FPolymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit RPB7Polymerase
      • Protein or peptide: DNA-directed RNA polymerases I, II, and III subunit RPABC3RNA polymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit RPB9Polymerase
      • Protein or peptide: DNA-directed RNA polymerases I, II, and III subunit RPABC5RNA polymerase
      • Protein or peptide: DNA-directed RNA polymerase II subunit RPB11-aPolymerase
      • Protein or peptide: RPB12
    • Complex: Nucleic acidsNucleic acid
      • DNA: Non-template DNA
      • RNA: 145-nt RNA
      • DNA: Template DNA
    • Complex: U1 snRNP
      • RNA: U1 snRNAU1 spliceosomal RNA
      • Protein or peptide: U1 small nuclear ribonucleoprotein 70 kDa
      • Protein or peptide: U1 small nuclear ribonucleoprotein A
      • Protein or peptide: Small nuclear ribonucleoprotein Sm D2
      • Protein or peptide: Small nuclear ribonucleoprotein F
      • Protein or peptide: Small nuclear ribonucleoprotein E
      • Protein or peptide: Small nuclear ribonucleoprotein G
      • Protein or peptide: Small nuclear ribonucleoprotein Sm D3
      • Protein or peptide: Small nuclear ribonucleoprotein-associated protein
      • Protein or peptide: Small nuclear ribonucleoprotein Sm D1
  • Ligand: ZINC ION
  • Ligand: MAGNESIUM ION

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Supramolecule #1: The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA

SupramoleculeName: The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#25

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Supramolecule #2: RNA polymerase II

SupramoleculeName: RNA polymerase II / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#12
Source (natural)Organism: Sus scrofa domesticus (domestic pig)

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Supramolecule #3: Nucleic acids

SupramoleculeName: Nucleic acids / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #13-#15
Source (natural)Organism: synthetic construct (others)
Recombinant expressionOrganism: synthetic construct (others)

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Supramolecule #4: U1 snRNP

SupramoleculeName: U1 snRNP / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #16-#25
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: DNA-directed RNA polymerase II subunit RPB1

MacromoleculeName: DNA-directed RNA polymerase II subunit RPB1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: DNA-directed RNA polymerase
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 217.450078 KDa
SequenceString: MHGGGPPSGD SACPLRTIKR VQFGVLSPDE LKRMSVTEGG IKYPETTEGG RPKLGGLMDP RQGVIERTGR CQTCAGNMTE CPGHFGHIE LAKPVFHVGF LVKTMKVLRC VCFFCSKLLV DSNNPKIKDI LAKSKGQPKK RLTHVYDLCK GKNICEGGEE M DNKFGVEQ ...String:
MHGGGPPSGD SACPLRTIKR VQFGVLSPDE LKRMSVTEGG IKYPETTEGG RPKLGGLMDP RQGVIERTGR CQTCAGNMTE CPGHFGHIE LAKPVFHVGF LVKTMKVLRC VCFFCSKLLV DSNNPKIKDI LAKSKGQPKK RLTHVYDLCK GKNICEGGEE M DNKFGVEQ PEGDEDLTKE KGHGGCGRYQ PRIRRSGLEL YAEWKHVNED SQEKKILLSP ERVHEIFKRI SDEECFVLGM EP RYARPEW MIVTVLPVPP LSVRPAVVMQ GSARNQDDLT HKLADIVKIN NQLRRNEQNG AAAHVIAEDV KLLQFHVATM VDN ELPGLP RAMQKSGRPL KSLKQRLKGK EGRVRGNLMG KRVDFSARTV ITPDPNLSID QVGVPRSIAA NMTFAEIVTP FNID RLQEL VRRGNSQYPG AKYIIRDNGD RIDLRFHPKP SDLHLQTGYK VERHMCDGDI VIFNRQPTLH KMSMMGHRVR ILPWS TFRL NLSVTTPYNA DFDGDEMNLH LPQSLETRAE IQELAMVPRM IVTPQSNRPV MGIVQDTLTA VRKFTKRDVF LERGEV MNL LMFLSTWDGK VPQPAILKPR PLWTGKQIFS LIIPGHINCI RTHSTHPDDE DSGPYKHISP GDTKVVVENG ELIMGIL CK KSLGTSAGSL VHISYLEMGH DITRLFYSNI QTVINNWLLI EGHTIGIGDS IADSKTYQDI QNTIKKAKQD VIEVIEKA H NNELEPTPGN TLRQTFENQV NRILNDARDK TGSSAQKSLS EYNNFKSMVV SGAKGSKINI SQVIAVVGQQ NVEGKRIPF GFKHRTLPHF IKDDYGPESR GFVENSYLAG LTPTEFFFHA MGGREGLIDT AVKTAETGYI QRRLIKSMES VMVKYDATVR NSINQVVQL RYGEDGLAGE SVEFQNLATL KPSNKAFEKK FRFDYTNERA LRRTLQEDLV KDVLSNAHIQ NELEREFERM R EDREVLRV IFPTGDSKVV LPCNLLRMIW NAQKIFHINP RLPSDLHPIK VVEGVKELSK KLVIVNGDDP LSRQAQENAT LL FNIHLRS TLCSRRMAEE FRLSGEAFDW LLGEIESKFN QAIAHPGEMV GALAAQSLGE PATQMTLNTF HYAGVSAKNV TLG VPRLKE LINISKKPKT PSLTVFLLGQ SARDAERAKD ILCRLEHTTL RKVTANTAIY YDPNPQSTVV AEDQEWVNVY YEMP DFDVA RISPWLLRVE LDRKHMTDRK LTMEQIAEKI NAGFGDDLNC IFNDDNAEKL VLRIRIMNSD ENKMQEEEEV VDKMD DDVF LRCIESNMLT DMTLQGIEQI SKVYMHLPQT DNKKKIIITE DGEFKALQEW ILETDGVSLM RVLSEKDVDP VRTTSN DIV EIFTVLGIEA VRKALERELY HVISFDGSYV NYRHLALLCD TMTCRGHLMA ITRHGVNRQD TGPLMKCSFE ETVDVLM EA AAHGESDPMK GVSENIMLGQ LAPAGTGCFD LLLDAEKCKY GMEIPTNIPG LGAAGPTGMF FGSAPSPMGG ISPAMTPW N QGATPAYGAW SPSVGSGMTP GAAGFSPSAA SDASGFSPGY SPAWSPTPGS PGSPGPSSPY IPSPGGAMSP SYSPTSPAY EPRSPGGYTP QSPSYSPTSP SYSPTSPSYS PTSPNYSPTS PSYSPTSPSY SPTSPSYSPT SPSYSPTSPS YSPTSPSYSP TSPSYSPTS PSYSPTSPSY SPTSPSYSPT SPSYSPTSPS YSPTSPSYSP TSPSYSPTSP SYSPTSPNYS PTSPNYTPTS P SYSPTSPS YSPTSPNYTP TSPNYSPTSP SYSPTSPSYS PTSPSYSPSS PRYTPQSPTY TPSSPSYSPS SPSYSPTSPK YT PTSPSYS PSSPEYTPTS PKYSPTSPKY SPTSPKYSPT SPTYSPTTPK YSPTSPTYSP TSPVYTPTSP KYSPTSPTYS PTS PKYSPT SPTYSPTSPK GSTYSPTSPG YSPTSPTYSL TSPAISPDDS DEEN

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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: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 134.041422 KDa
SequenceString: MYDADEDMQY DEDDDEITPD LWQEACWIVI SSYFDEKGLV RQQLDSFDEF IQMSVQRIVE DAPPIDLQAE AQHASGEVEE PPRYLLKFE QIYLSKPTHW ERDGAPSPMM PNEARLRNLT YSAPLYVDIT KTVIKEGEEQ LQTQHQKTFI GKIPIMLRST Y CLLNGLTD ...String:
MYDADEDMQY DEDDDEITPD LWQEACWIVI SSYFDEKGLV RQQLDSFDEF IQMSVQRIVE DAPPIDLQAE AQHASGEVEE PPRYLLKFE QIYLSKPTHW ERDGAPSPMM PNEARLRNLT YSAPLYVDIT KTVIKEGEEQ LQTQHQKTFI GKIPIMLRST Y CLLNGLTD RDLCELNECP LDPGGYFIIN GSEKVLIAQE KMATNTVYVF AKKDSKYAYT GECRSCLENS SRPTSTIWVS ML ARGGQGA KKSAIGQRIV ATLPYIKQEV PIIIVFRALG FVSDRDILEH IIYDFEDPEM MEMVKPSLDE AFVIQEQNVA LNF IGSRGA KPGVTKEKRI KYAKEVLQKE MLPHVGVSDF CETKKAYFLG YMVHRLLLAA LGRRELDDRD HYGNKRLDLA GPLL AFLFR GMFKNLLKEV RIYAQKFIDR GKDFNLELAI KTRIISDGLK YSLATGNWGD QKKAHQARAG VSQVLNRLTF ASTLS HLRR LNSPIGRDGK LAKPRQLHNT LWGMVCPAET PEGHAVGLVK NLALMAYISV GSQPSPILEF LEEWSMENLE EISPAA IAD ATKIFVNGCW VGIHKDPEQL MNTLRKLRRQ MDIIVSEVSM IRDIREREIR IYTDAGRICR PLLIVEKQKL LLKKRHI DQ LKEREYNNYS WQDLVASGVV EYIDTLEEET VMLAMTPDDL QEKEVAYCST YTHCEIHPSM ILGVCASIIP FPDHNQSP R NTYQSAMGKQ AMGVYITNFH VRMDTLAHVL YYPQKPLVTT RSMEYLRFRE LPAGINSIVA IASYTGYNQE DSVIMNRSA VDRGFFRSVF YRSYKEQESK KGFDQEEVFE KPTRETCQGM RHAIYDKLDD DGLIAPGVRV SGDDVIIGKT VTLPENEDEL EGTNRRYTK RDCSTFLRTS ETGIVDQVMV TLNQEGYKFC KIRVRSVRIP QIGDKFASRH GQKGTCGIQY RQEDMPFTCE G ITPDIIIN PHAIPSRMTI GHLIECLQGK VSANKGEIGD ATPFNDAVNV QKISNLLSDY GYHLRGNEVL YNGFTGRKIT SQ IFIGPTY YQRLKHMVDD KIHSRARGPI QILNRQPMEG RSRDGGLRFG EMERDCQIAH GAAQFLRERL FEASDPYQVH VCN LCGIMA IANTRTHTYE CRGCRNKTQI SLVRMPYACK LLFQELMSMS IAPRMMSV

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Macromolecule #3: DNA-directed RNA polymerase II subunit RPB3

MacromoleculeName: DNA-directed RNA polymerase II subunit RPB3 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 31.439074 KDa
SequenceString: MPYANQPTVR ITELTDENVK FIIENTDLAV ANSIRRVFIA EVPIIAIDWV QIDANSSVLH DEFIAHRLGL IPLTSDDIVD KLQYSRDCT CEEFCPECSV EFTLDVRCNE DQTRHVTSRD LISNSPRVIP VTSRNRDNDP SDYVEQDDIL IVKLRKGQEL R LRAYAKKG ...String:
MPYANQPTVR ITELTDENVK FIIENTDLAV ANSIRRVFIA EVPIIAIDWV QIDANSSVLH DEFIAHRLGL IPLTSDDIVD KLQYSRDCT CEEFCPECSV EFTLDVRCNE DQTRHVTSRD LISNSPRVIP VTSRNRDNDP SDYVEQDDIL IVKLRKGQEL R LRAYAKKG FGKEHAKWNP TAGVAFEYDP DNALRHTVYP KPEEWPKSEY SELDEDESQA PYDPNGKPER FYYNVESCGS LR PETIVLS ALSGLKKKLS DLQTQLSHEI QSDVLTIN

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Macromolecule #4: DNA-directed RNA polymerase II subunit D

MacromoleculeName: DNA-directed RNA polymerase II subunit D / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 16.331255 KDa
SequenceString:
MAAGGSDPRA GDVEEDASQL IFPKEFETAE TLLNSEVHML LEHRKQQNES AEDEQELSEV FMKTLNYTAR FSRFKNRETI ASVRSLLLQ KKLHKFELAC LANLCPETAE ESKALIPSLE GRFEDEELQQ ILDDIQTKRS FQY

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Macromolecule #5: DNA-directed RNA polymerase II subunit E

MacromoleculeName: DNA-directed RNA polymerase II subunit E / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 24.644318 KDa
SequenceString: MDDEEETYRL WKIRKTIMQL CHDRGYLVTQ DELDQTLEEF KAQFGDKPSE GRPRRTDLTV LVAHNDDPTD QMFVFFPEEP KVGIKTIKV YCQRMQEENI TRALIVVQQG MTPSAKQSLV DMAPKYILEQ FLQQELLINI TEHELVPEHV VMTKEEVTEL L ARYKLREN ...String:
MDDEEETYRL WKIRKTIMQL CHDRGYLVTQ DELDQTLEEF KAQFGDKPSE GRPRRTDLTV LVAHNDDPTD QMFVFFPEEP KVGIKTIKV YCQRMQEENI TRALIVVQQG MTPSAKQSLV DMAPKYILEQ FLQQELLINI TEHELVPEHV VMTKEEVTEL L ARYKLREN QLPRIQAGDP VARYFGIKRG QVVKIIRPSE TAGRYITYRL VQ

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Macromolecule #6: DNA-directed RNA polymerase II subunit F

MacromoleculeName: DNA-directed RNA polymerase II subunit F / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 14.477001 KDa
SequenceString:
MSDNEDNFDG DDFDDVEEDE GLDDLENAEE EGQENVEILP SGERPQANQK RITTPYMTKY ERARVLGTRA LQIAMCAPVM VELEGETDP LLIAMKELKA RKIPIIIRRY LPDGSYEDWG VDELIISD

+
Macromolecule #7: DNA-directed RNA polymerase II subunit RPB7

MacromoleculeName: DNA-directed RNA polymerase II subunit RPB7 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 19.314283 KDa
SequenceString:
MFYHISLEHE ILLHPRYFGP NLLNTVKQKL FTEVEGTCTG KYGFVIAVTT IDNIGAGVIQ PGRGFVLYPV KYKAIVFRPF KGEVVDAVV TQVNKVGLFT EIGPMSCFIS RHSIPSEMEF DPNSNPPCYK TMDEDIVIQQ DDEIRLKIVG TRVDKNDIFA I GSLMDDYL GLVS

+
Macromolecule #8: DNA-directed RNA polymerases I, II, and III subunit RPABC3

MacromoleculeName: DNA-directed RNA polymerases I, II, and III subunit RPABC3
type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 17.162273 KDa
SequenceString:
MAGILFEDIF DVKDIDPEGK KFDRVSRLHC ESESFKMDLI LDVNIQIYPV DLGDKFRLVI ASTLYEDGTL DDGEYNPTDD RPSRADQFE YVMYGKVYRI EGDETSTEAA TRLSAYVSYG GLLMRLQGDA NNLHGFEVDS RVYLLMKKLA F

+
Macromolecule #9: DNA-directed RNA polymerase II subunit RPB9

MacromoleculeName: DNA-directed RNA polymerase II subunit RPB9 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 14.541221 KDa
SequenceString:
MEPDGTYEPG FVGIRFCQEC NNMLYPKEDK ENRILLYACR NCDYQQEADN SCIYVNKITH EVDELTQIIA DVSQDPTLPR TEDHPCQKC GHKEAVFFQS HSARAEDAMR LYYVCTAPHC GHRWTE

+
Macromolecule #10: DNA-directed RNA polymerases I, II, and III subunit RPABC5

MacromoleculeName: DNA-directed RNA polymerases I, II, and III subunit RPABC5
type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 7.655123 KDa
SequenceString:
MIIPVRCFTC GKIVGNKWEA YLGLLQAEYT EGDALDALGL KRYCCRRMLL AHVDLIEKLL NYAPLEK

+
Macromolecule #11: DNA-directed RNA polymerase II subunit RPB11-a

MacromoleculeName: DNA-directed RNA polymerase II subunit RPB11-a / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 13.310284 KDa
SequenceString:
MNAPPAFESF LLFEGEKKIT INKDTKVPNA CLFTINKEDH TLGNIIKSQL LKDPQVLFAG YKVPHPLEHK IIIRVQTTPD YSPQEAFTN AITDLISELS LLEERFRVAI KDKQEGIE

+
Macromolecule #12: RPB12

MacromoleculeName: RPB12 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa domesticus (domestic pig)
Molecular weightTheoretical: 7.018244 KDa
SequenceString:
MDTQKDVQPP KQQPMIYICG ECHTENEIKS RDPIRCRECG YRIMYKKRTK RLVVFDAR

+
Macromolecule #17: U1 small nuclear ribonucleoprotein 70 kDa

MacromoleculeName: U1 small nuclear ribonucleoprotein 70 kDa / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 51.683184 KDa
SequenceString: MTQFLPPNLL ALFAPRDPIP YLPPLEKLPH EKHHNQPYCG IAPYIREFED PRDAPPPTRA ETREERMERK RREKIERRQQ EVETELKMW DPHNDPNAQG DAFKTLFVAR VNYDTTESKL RREFEVYGPI KRIHMVYSKR SGKPRGYAFI EYEHERDMHS A YKHADGKK ...String:
MTQFLPPNLL ALFAPRDPIP YLPPLEKLPH EKHHNQPYCG IAPYIREFED PRDAPPPTRA ETREERMERK RREKIERRQQ EVETELKMW DPHNDPNAQG DAFKTLFVAR VNYDTTESKL RREFEVYGPI KRIHMVYSKR SGKPRGYAFI EYEHERDMHS A YKHADGKK IDGRRVLVDV ERGRTVKGWR PRRLGGGLGG TRRGGADVNI RHSGRDDTSR YDERPGPSPL PHRDRDRDRE RE RRERSRE RDKERERRRS RSRDRRRRSR SRDKEERRRS RERSKDKDRD RKRRSSRSRE RARRERERKE ELRGGGGDMA EPS EAGDAP PDDGPPGELG PDGPDGPEEK GRDRDRERRR SHRSERERRR DRDRDRDRDR EHKRGERGSE RGRDEARGGG GGQD NGLEG LGNDSRDMYM ESEGGDGYLA PENGYLMEAA PE

+
Macromolecule #18: U1 small nuclear ribonucleoprotein A

MacromoleculeName: U1 small nuclear ribonucleoprotein A / type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 31.319533 KDa
SequenceString: MAVPETRPNH TIYINNLNEK IKKDELKKSL YAIFSQFGQI LDILVSRSLK MRGQAFVIFK EVSSATNALR SMQGFPFYDK PMRIQYAKT DSDIIAKMKG TFVERDRKRE KRKPKSQETP ATKKAVQGGG ATPVVGAVQG PVPGMPPMTQ APRIMHHMPG Q PPYMPPPG ...String:
MAVPETRPNH TIYINNLNEK IKKDELKKSL YAIFSQFGQI LDILVSRSLK MRGQAFVIFK EVSSATNALR SMQGFPFYDK PMRIQYAKT DSDIIAKMKG TFVERDRKRE KRKPKSQETP ATKKAVQGGG ATPVVGAVQG PVPGMPPMTQ APRIMHHMPG Q PPYMPPPG MIPPPGLAPG QIPPGAMPPQ QLMPGQMPPA QPLSENPPNH ILFLTNLPEE TNELMLSMLF NQFPGFKEVR LV PGRHDIA FVEFDNEVQA GAARDALQGF KITQNNAMKI SFAKK

+
Macromolecule #19: Small nuclear ribonucleoprotein Sm D2

MacromoleculeName: Small nuclear ribonucleoprotein Sm D2 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 13.551928 KDa
SequenceString:
MSLLNKPKSE MTPEELQKRE EEEFNTGPLS VLTQSVKNNT QVLINCRNNK KLLGRVKAFD RHCNMVLENV KEMWTEVPKS GKGKKKSKP VNKDRYISKM FLRGDSVIVV LRNPLIAGK

+
Macromolecule #20: Small nuclear ribonucleoprotein F

MacromoleculeName: Small nuclear ribonucleoprotein F / type: protein_or_peptide / ID: 20 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 9.734171 KDa
SequenceString:
MSLPLNPKPF LNGLTGKPVM VKLKWGMEYK GYLVSVDGYM NMQLANTEEY IDGALSGHLG EVLIRCNNVL YIRGVEEEEE DGEMRE

+
Macromolecule #21: Small nuclear ribonucleoprotein E

MacromoleculeName: Small nuclear ribonucleoprotein E / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 10.817601 KDa
SequenceString:
MAYRGQGQKV QKVMVQPINL IFRYLQNRSR IQVWLYEQVN MRIEGCIIGF DEYMNLVLDD AEEIHSKTKS RKQLGRIMLK GDNITLLQS VSN

+
Macromolecule #22: Small nuclear ribonucleoprotein G

MacromoleculeName: Small nuclear ribonucleoprotein G / type: protein_or_peptide / ID: 22 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 8.508084 KDa
SequenceString:
MSKAHPPELK KFMDKKLSLK LNGGRHVQGI LRGFDPFMNL VIDECVEMAT SGQQNNIGMV VIRGNSIIML EALERV

+
Macromolecule #23: Small nuclear ribonucleoprotein Sm D3

MacromoleculeName: Small nuclear ribonucleoprotein Sm D3 / type: protein_or_peptide / ID: 23 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 13.940308 KDa
SequenceString:
MSIGVPIKVL HEAEGHIVTC ETNTGEVYRG KLIEAEDNMN CQMSNITVTY RDGRVAQLEQ VYIRGSKIRF LILPDMLKNA PMLKSMKNK NQGSGAGRGK AAILKAQVAA RGRGRGMGRG NIFQKRR

+
Macromolecule #24: Small nuclear ribonucleoprotein-associated protein

MacromoleculeName: Small nuclear ribonucleoprotein-associated protein / type: protein_or_peptide / ID: 24 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 23.686004 KDa
SequenceString: MTVGKSSKML QHIDYRMRCI LQDGRIFIGT FKAFDKHMNL ILCDCDEFRK IKPKNSKQAE REEKRVLGLV LLRGENLVSM TVEGPPPKD TGIARVPLAG AAGGPGIGRA AGRGIPAGVP MPQAPAGLAG PVRGVGGPSQ QVMTPQGRGT VAAAAAAATA S IAGAPTQY ...String:
MTVGKSSKML QHIDYRMRCI LQDGRIFIGT FKAFDKHMNL ILCDCDEFRK IKPKNSKQAE REEKRVLGLV LLRGENLVSM TVEGPPPKD TGIARVPLAG AAGGPGIGRA AGRGIPAGVP MPQAPAGLAG PVRGVGGPSQ QVMTPQGRGT VAAAAAAATA S IAGAPTQY PPGRGGPPPP MGRGAPPPGM MGPPPGMRPP MGPPMGIPPG RGTPMGMPPP GMRPPPPGMR GLL

+
Macromolecule #25: Small nuclear ribonucleoprotein Sm D1

MacromoleculeName: Small nuclear ribonucleoprotein Sm D1 / type: protein_or_peptide / ID: 25 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 13.310653 KDa
SequenceString:
MKLVRFLMKL SHETVTIELK NGTQVHGTIT GVDVSMNTHL KAVKMTLKNR EPVQLETLSI RGNNIRYFIL PDSLPLDTLL VDVEPKVKS KKREAVAGRG RGRGRGRGRG RGRGRGGPRR

+
Macromolecule #13: Non-template DNA

MacromoleculeName: Non-template DNA / type: dna / ID: 13 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 14.932533 KDa
SequenceString:
(DC)(DC)(DA)(DT)(DT)(DG)(DA)(DG)(DA)(DG) (DC)(DG)(DG)(DC)(DC)(DC)(DT)(DT)(DG)(DT) (DG)(DT)(DT)(DC)(DA)(DG)(DG)(DA)(DG) (DC)(DC)(DA)(DG)(DC)(DA)(DG)(DG)(DG)(DA) (DG) (DC)(DT)(DG)(DG)(DG)(DA)(DG)(DC)

+
Macromolecule #15: Template DNA

MacromoleculeName: Template DNA / type: dna / ID: 15 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 14.672335 KDa
SequenceString:
(DG)(DC)(DT)(DC)(DC)(DC)(DA)(DG)(DC)(DT) (DC)(DC)(DC)(DT)(DG)(DC)(DT)(DG)(DG)(DC) (DT)(DC)(DC)(DG)(DA)(DG)(DT)(DG)(DG) (DG)(DT)(DT)(DC)(DT)(DG)(DC)(DC)(DG)(DC) (DT) (DC)(DT)(DC)(DA)(DA)(DT)(DG)(DG)

+
Macromolecule #14: 145-nt RNA

MacromoleculeName: 145-nt RNA / type: rna / ID: 14 / Number of copies: 1
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 46.78491 KDa
SequenceString:
GGGCGUACAC CAUCAGGGUA CGAGCUAGCC CAUGGCGUAC ACCAUCAGGG UACGACUAGU AGAUCUCGUA CACCAUCAGG GUACGCUUG GAUCGGAAAC CCGUCGGCCU CCGACAGGUA AGUAUUAACC GGAGAGGGAA CCCACU

+
Macromolecule #16: U1 snRNA

MacromoleculeName: U1 snRNA / type: rna / ID: 16 / Number of copies: 1
Source (natural)Organism: Human (human)
Molecular weightTheoretical: 52.69707 KDa
SequenceString:
AUACUUACCU GGCAGGGGAG AUACCAUGAU CACGAAGGUG GUUUUCCCAG GGCGAGGCUU AUCCAUUGCA CUCCGGAUGU GCUGACCCC UGCGAUUUCC CCAAAUGUGG GAAACUCGAC UGCAUAAUUU GUGGUAGUGG GGGACUGCGU UCGCGCUUUC C CCUG

+
Macromolecule #26: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 26 / Number of copies: 8 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

+
Macromolecule #27: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 27 / Number of copies: 1 / Formula: MG
Molecular weightTheoretical: 24.305 Da

-
Experimental details

-
Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

-
Sample preparation

BufferpH: 7.5
Component:
ConcentrationFormula
20.0 mMHEPES
150.0 mMNaClSodium chloride
3.0 mMMgCl2
0.5 mMTCEP
GridModel: UltrAuFoil R2/2 / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV

-
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
Specialist opticsEnergy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 1.01 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

-
Image processing

CTF correctionSoftware: (Name: Warp, RELION)
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 61596
FSC plot (resolution estimation)

-
Atomic model buiding 1

Initial model(PDB ID:

6gmh

,

3pgw

,

4pjo

,

4pkd

)
Output model

PDB-7b0y:
Structure of a transcribing RNA polymerase II-U1 snRNP complex

+
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