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- EMDB-32799: Cryo-EM structure of a human pre-40S ribosomal subunit - State UTP14 -

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Basic information

Entry
Database: EMDB / ID: EMD-32799
TitleCryo-EM structure of a human pre-40S ribosomal subunit - State UTP14
Map data
Sample
  • Complex: Yeast pre-40S ribosomal subunit
    • RNA: x 1 types
    • Protein or peptide: x 22 types
Function / homology
Function and homology information


18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase / peptidyl-glutamine methylation / 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity / rRNA (guanine-N7)-methylation / tRNA methyltransferase activator activity / rRNA (guanine) methyltransferase activity / rRNA (adenine-N6,N6-)-dimethyltransferase activity / tRNA modification in the nucleus and cytosol / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Methylation ...18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase / peptidyl-glutamine methylation / 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity / rRNA (guanine-N7)-methylation / tRNA methyltransferase activator activity / rRNA (guanine) methyltransferase activity / rRNA (adenine-N6,N6-)-dimethyltransferase activity / tRNA modification in the nucleus and cytosol / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Methylation / protein methyltransferase activity / tRNA methylation / positive regulation of rRNA processing / negative regulation of RNA splicing / neural crest cell differentiation / rRNA modification in the nucleus and cytosol / rRNA methylation / Formation of the ternary complex, and subsequently, the 43S complex / erythrocyte homeostasis / U3 snoRNA binding / ubiquitin ligase inhibitor activity / negative regulation of ubiquitin protein ligase activity / Ribosomal scanning and start codon recognition / preribosome, small subunit precursor / Translation initiation complex formation / SARS-CoV-1 modulates host translation machinery / Protein hydroxylation / TOR signaling / 90S preribosome / mTORC1-mediated signalling / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / Peptide chain elongation / Selenocysteine synthesis / Formation of a pool of free 40S subunits / Eukaryotic Translation Termination / Response of EIF2AK4 (GCN2) to amino acid deficiency / translation regulator activity / SRP-dependent cotranslational protein targeting to membrane / Viral mRNA Translation / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / GTP hydrolysis and joining of the 60S ribosomal subunit / L13a-mediated translational silencing of Ceruloplasmin expression / Major pathway of rRNA processing in the nucleolus and cytosol / rough endoplasmic reticulum / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Nuclear events stimulated by ALK signaling in cancer / positive regulation of cell cycle / stress granule assembly / translation initiation factor binding / maturation of SSU-rRNA / Mitotic Prometaphase / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / EML4 and NUDC in mitotic spindle formation / negative regulation of ubiquitin-dependent protein catabolic process / translational initiation / transcription initiation-coupled chromatin remodeling / Resolution of Sister Chromatid Cohesion / Transferases; Transferring one-carbon groups; Methyltransferases / small-subunit processome / cytosolic ribosome / erythrocyte differentiation / positive regulation of translation / innate immune response in mucosa / mRNA 3'-UTR binding / neural tube closure / methyltransferase activity / RHO GTPases Activate Formins / maintenance of translational fidelity / response to virus / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / cytoplasmic ribonucleoprotein granule / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / rRNA processing / Regulation of expression of SLITs and ROBOs / Separation of Sister Chromatids / cytosolic small ribosomal subunit / antimicrobial humoral immune response mediated by antimicrobial peptide / glucose homeostasis / cell body / cytoplasmic translation / small ribosomal subunit / chromatin organization / antibacterial humoral response / SARS-CoV-2 modulates host translation machinery / nuclear membrane / postsynaptic density / cell differentiation / rRNA binding / protein stabilization / ribosome / structural constituent of ribosome / defense response to Gram-positive bacterium / ribonucleoprotein complex / translation / positive regulation of apoptotic process / protein heterodimerization activity / focal adhesion
Similarity search - Function
Ribosome biogenesis protein Slx9-like / Ribosome biogenesis protein SLX9 / Uncharacterised domain NUC173 / Ribosomal RNA-processing protein 12, HEAT repeats / 18S rRNA (guanine(1575)-N(7))-methyltransferase Bud23, C-terminal / 18S rRNA (guanine(1575)-N(7))-methyltransferase Bud23-like / Methyltransferase involved in Williams-Beuren syndrome / Multifunctional methyltransferase subunit Trm112 / Trm112-like / Trm112p-like protein ...Ribosome biogenesis protein Slx9-like / Ribosome biogenesis protein SLX9 / Uncharacterised domain NUC173 / Ribosomal RNA-processing protein 12, HEAT repeats / 18S rRNA (guanine(1575)-N(7))-methyltransferase Bud23, C-terminal / 18S rRNA (guanine(1575)-N(7))-methyltransferase Bud23-like / Methyltransferase involved in Williams-Beuren syndrome / Multifunctional methyltransferase subunit Trm112 / Trm112-like / Trm112p-like protein / Methyltransferase type 11 / Small-subunit processome, Utp14 / Utp14 protein / Methyltransferase domain / Ribosomal RNA adenine dimethylase / Ribosomal RNA adenine methylase transferase, conserved site / Ribosomal RNA adenine methylase transferase, N-terminal / Ribosomal RNA adenine dimethylases signature. / Ribosomal RNA adenine dimethylases / Ribosomal RNA adenine methyltransferase KsgA/Erm / Ribosomal RNA adenine dimethylase / rRNA adenine N(6)-methyltransferase family profile. / Ribosome biogenesis protein BMS1/TSR1, C-terminal / AARP2CN / Bms1/Tsr1-type G domain / Ribosome biogenesis protein Bms1/Tsr1 / 40S ribosome biogenesis protein Tsr1 and BMS1 C-terminal / AARP2CN (NUC121) domain / Bms1-type guanine nucleotide-binding (G) domain profile. / AARP2CN (NUC121) domain / Protein of unknown function (DUF663) / Ubiquitin-like protein FUBI / K Homology domain, type 1 superfamily / : / Ribosomal protein S30 / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein S30 / Ribosomal protein S3Ae, conserved site / Ribosomal protein S8e, conserved site / 40S ribosomal protein S11, N-terminal / 40S ribosomal protein S1/3, eukaryotes / Ribosomal protein S6, eukaryotic / Ribosomal protein S7e / 40S ribosomal protein S4, C-terminal domain / Ribosomal protein S4e, N-terminal, conserved site / Ribosomal protein S27, zinc-binding domain superfamily / Ribosomal protein S17, archaeal/eukaryotic / Ribosomal protein S27 / Ribosomal protein S6/S6e/A/B/2, conserved site / 40S ribosomal protein S4 C-terminus / Ribosomal protein S4e, N-terminal / Ribosomal protein S23, eukaryotic/archaeal / Ribosomal_S17 N-terminal / Ribosomal protein S3Ae / Ribosomal S3Ae family / Ribosomal protein S7e / Ribosomal protein S8e / Ribosomal protein S4, KOW domain / Ribosomal protein S4e / Ribosomal protein S4e, central region / Ribosomal protein S4e, central domain superfamily / Ribosomal protein S6e / Ribosomal protein S13/S15, N-terminal / Ribosomal protein S15P / Ribosomal S13/S15 N-terminal domain / Ribosomal protein S6e / Ribosomal protein S4/S9, eukaryotic/archaeal / RS4NT (NUC023) domain / Ribosomal protein S27 / Ribosomal S3Ae family / Ribosomal family S4e / Ribosomal S13/S15 N-terminal domain / Ribosomal protein S7e signature. / Ribosomal protein S6e / Ribosomal protein S3Ae signature. / Ribosomal protein S27e signature. / Ribosomal protein S4e signature. / Ribosomal protein S8e signature. / Ribosomal S24e conserved site / Ribosomal protein S24e signature. / Ribosomal protein S24e / Ribosomal protein S24e / Ribosomal protein S6e signature. / Ribosomal protein S8e/ribosomal biogenesis NSA2 / Ribosomal protein S8e / Ubiquitin conserved site / Ubiquitin domain / Ubiquitin domain signature. / K Homology domain / K homology RNA-binding domain / : / Armadillo-like helical / Ribosomal protein S17, conserved site / Ubiquitin family / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4/S9, N-terminal / Ribosomal protein S4, conserved site / Ribosomal protein S4/S9 N-terminal domain / Ribosomal protein S4/S9 / Ubiquitin homologues
Similarity search - Domain/homology
Probable 18S rRNA (guanine-N(7))-methyltransferase / Small ribosomal subunit protein eS27 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein eS1 / Small ribosomal subunit protein eS7 / Small ribosomal subunit protein eS8 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS15 ...Probable 18S rRNA (guanine-N(7))-methyltransferase / Small ribosomal subunit protein eS27 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein eS1 / Small ribosomal subunit protein eS7 / Small ribosomal subunit protein eS8 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein eS4, X isoform / Small ribosomal subunit protein eS6 / Small ribosomal subunit protein eS24 / Ubiquitin-like FUBI-ribosomal protein eS30 fusion protein / Pre-rRNA-processing protein TSR1 homolog / RRP12-like protein / U3 small nucleolar RNA-associated protein 14 homolog A / RNA-binding protein PNO1 / Ribosome biogenesis protein SLX9 homolog / Multifunctional methyltransferase subunit TRM112-like protein / Probable dimethyladenosine transferase
Similarity search - Component
Biological speciesHomo sapiens (human) / human (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsCheng J / Lau B / Thoms M / Ameismeier M / Berninghausen O / Hurt E / Beckmann R
Funding support1 items
OrganizationGrant numberCountry
Not funded
CitationJournal: Nucleic Acids Res / Year: 2022
Title: The nucleoplasmic phase of pre-40S formation prior to nuclear export.
Authors: Jingdong Cheng / Benjamin Lau / Matthias Thoms / Michael Ameismeier / Otto Berninghausen / Ed Hurt / Roland Beckmann /
Abstract: Biogenesis of the small ribosomal subunit in eukaryotes starts in the nucleolus with the formation of a 90S precursor and ends in the cytoplasm. Here, we elucidate the enigmatic structural ...Biogenesis of the small ribosomal subunit in eukaryotes starts in the nucleolus with the formation of a 90S precursor and ends in the cytoplasm. Here, we elucidate the enigmatic structural transitions of assembly intermediates from human and yeast cells during the nucleoplasmic maturation phase. After dissociation of all 90S factors, the 40S body adopts a close-to-mature conformation, whereas the 3' major domain, later forming the 40S head, remains entirely immature. A first coordination is facilitated by the assembly factors TSR1 and BUD23-TRMT112, followed by re-positioning of RRP12 that is already recruited early to the 90S for further head rearrangements. Eventually, the uS2 cluster, CK1 (Hrr25 in yeast) and the export factor SLX9 associate with the pre-40S to provide export competence. These exemplary findings reveal the evolutionary conserved mechanism of how yeast and humans assemble the 40S ribosomal subunit, but reveal also a few minor differences.
History
DepositionFeb 5, 2022-
Header (metadata) releaseOct 19, 2022-
Map releaseOct 19, 2022-
UpdateDec 21, 2022-
Current statusDec 21, 2022Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_32799.png

Downloads & links

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Map

FileDownload / File: emd_32799.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.059 Å
Density
Contour LevelBy AUTHOR: 0.02
Minimum - Maximum-0.26343754 - 0.59878737
Average (Standard dev.)0.0008767929 (±0.011256147)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 381.24 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Yeast pre-40S ribosomal subunit

EntireName: Yeast pre-40S ribosomal subunit
Components
  • Complex: Yeast pre-40S ribosomal subunit
    • RNA: 18S rRNA18S ribosomal RNA
    • Protein or peptide: 40S ribosomal protein S27
    • Protein or peptide: 40S ribosomal protein S3a
    • Protein or peptide: 40S ribosomal protein S4, X isoformRibosome
    • Protein or peptide: 40S ribosomal protein S30
    • Protein or peptide: 40S ribosomal protein S7
    • Protein or peptide: 40S ribosomal protein S6
    • Protein or peptide: 40S ribosomal protein S24
    • Protein or peptide: RNA-binding protein PNO1
    • Protein or peptide: 40S ribosomal protein S23
    • Protein or peptide: 40S ribosomal protein S15a
    • Protein or peptide: Pre-rRNA-processing protein TSR1 homolog
    • Protein or peptide: 40S ribosomal protein S14
    • Protein or peptide: 40S ribosomal protein S13
    • Protein or peptide: 40S ribosomal protein S11
    • Protein or peptide: 40S ribosomal protein S9
    • Protein or peptide: 40S ribosomal protein S8
    • Protein or peptide: Multifunctional methyltransferase subunit TRM112-like protein
    • Protein or peptide: Probable 18S rRNA (guanine-N(7))-methyltransferase
    • Protein or peptide: RRP12-like protein
    • Protein or peptide: Ribosome biogenesis protein SLX9 homolog
    • Protein or peptide: U3 small nucleolar RNA-associated protein 14 homolog A
    • Protein or peptide: Probable dimethyladenosine transferase

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Supramolecule #1: Yeast pre-40S ribosomal subunit

SupramoleculeName: Yeast pre-40S ribosomal subunit / type: complex / Chimera: Yes / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: 18S rRNA

MacromoleculeName: 18S rRNA / type: rna / ID: 1 / Number of copies: 1
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 604.10275 KDa
SequenceString: UACCUGGUUG AUCCUGCCAG UAGCAUAUGC UUGUCUCAAA GAUUAAGCCA UGCAUGUCUA AGUACGCACG GCCGGUACAG UGAAACUGC GAAUGGCUCA UUAAAUCAGU UAUGGUUCCU UUGGUCGCUC GCUCCUCUCC UACUUGGAUA ACUGUGGUAA U UCUAGAGC ...String:
UACCUGGUUG AUCCUGCCAG UAGCAUAUGC UUGUCUCAAA GAUUAAGCCA UGCAUGUCUA AGUACGCACG GCCGGUACAG UGAAACUGC GAAUGGCUCA UUAAAUCAGU UAUGGUUCCU UUGGUCGCUC GCUCCUCUCC UACUUGGAUA ACUGUGGUAA U UCUAGAGC UAAUACAUGC CGACGGGCGC UGACCCCCUU CGCGGGGGGG AUGCGUGCAU UUAUCAGAUC AAAACCAACC CG GUCAGCC CCUCUCCGGC CCCGGCCGGG GGGCGGGCGC CGGCGGCUUU GGUGACUCUA GAUAACCUCG GGCCGAUCGC ACG CCCCCC GUGGCGGCGA CGACCCAUUC GAACGUCUGC CCUAUCAACU UUCGAUGGUA GUCGCCGUGC CUACCAUGGU GACC ACGGG UGACGGGGAA UCAGGGUUCG AUUCCGGAGA GGGAGCCUGA GAAACGGCUA CCACAUCCAA GGAAGGCAGC AGGCG CGCA AAUUACCCAC UCCCGACCCG GGGAGGUAGU GACGAAAAAU AACAAUACAG GACUCUUUCG AGGCCCUGUA AUUGGA AUG AGUCCACUUU AAAUCCUUUA ACGAGGAUCC AUUGGAGGGC AAGUCUGGUG CCAGCAGCCG CGGUAAUUCC AGCUCCA AU AGCGUAUAUU AAAGUUGCUG CAGUUAAAAA GCUCGUAGUU GGAUCUUGGG AGCGGGCGGG CGGUCCGCCG CGAGGCGA G CCACCGCCCG UCCCCGCCCC UUGCCUCUCG GCGCCCCCUC GAUGCUCUUA GCUGAGUGUC CCGCGGGGCC CGAAGCGUU UACUUUGAAA AAAUUAGAGU GUUCAAAGCA GGCCCGAGCC GCCUGGAUAC CGCAGCUAGG AAUAAUGGAA UAGGACCGCG GUUCUAUUU UGUUGGUUUU CGGAACUGAG GCCAUGAUUA AGAGGGACGG CCGGGGGCAU UCGUAUUGCG CCGCUAGAGG U GAAAUUCU UGGACCGGCG CAAGACGGAC CAGAGCGAAA GCAUUUGCCA AGAAUGUUUU CAUUAAUCAA GAACGAAAGU CG GAGGUUC GAAGACGAUC AGAUACCGUC GUAGUUCCGA CCAUAAACGA UGCCGACCGG CGAUGCGGCG GCGUUAUUCC CAU GACCCG CCGGGCAGCU UCCGGGAAAC CAAAGUCUUU GGGUUCCGGG GGGAGUAUGG UUGCAAAGCU GAAACUUAAA GGAA UUGAC GGAAGGGCAC CACCAGGAGU GGAGCCUGCG GCUUAAUUUG ACUCAACACG GGAAACCUCA CCCGGCCCGG ACACG GACA GGAUUGACAG AUUGAUAGCU CUUUCUCGAU UCCGUGGGUG GUGGUGCAUG GCCGUUCUUA GUUGGUGGAG CGAUUU GUC UGGUUAAUUC CGAUAACGAA CGAGACUCUG GCAUGCUAAC UAGUUACGCG ACCCCCGAGC GGUCGGCGUC CCCCAAC UU CUUAGAGGGA CAAGUGGCGU UCAGCCACCC GAGAUUGAGC AAUAACAGGU CUGUGAUGCC CUUAGAUGUC CGGGGCUG C ACGCGCGCUA CACUGACUGG CUCAGCGUGU GCCUACCCUA CGCCGGCAGG CGCGGGUAAC CCGUUGAACC CCAUUCGUG AUGGGGAUCG GGGAUUGCAA UUAUUCCCCA UGAACGAGGA AUUCCCAGUA AGUGCGGGUC AUAAGCUUGC GUUGAUUAAG UCCCUGCCC UUUGUACACA CCGCCCGUCG CUACUACCGA UUGGAUGGUU UAGUGAGGCC CUCGGAUCGG CCCCGCCGGG G UCGGCCCA CGGCCCUGGC GGAGCGCUGA GAAGACGGUC GAACUUGACU AUCUAGAGGA AGUAAAAGUC GUAACAAGGU UU CCGUAGG UGAACCUGCG GAAGGAUCAU UAACGG

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Macromolecule #2: 40S ribosomal protein S27

MacromoleculeName: 40S ribosomal protein S27 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 9.480186 KDa
SequenceString:
MPLAKDLLHP SPEEEKRKHK KKRLVQSPNS YFMDVKCPGC YKITTVFSHA QTVVLCVGCS TVLCQPTGGK ARLTEGCSFR RKQH

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Macromolecule #3: 40S ribosomal protein S3a

MacromoleculeName: 40S ribosomal protein S3a / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 30.002061 KDa
SequenceString: MAVGKNKRLT KGGKKGAKKK VVDPFSKKDW YDVKAPAMFN IRNIGKTLVT RTQGTKIASD GLKGRVFEVS LADLQNDEVA FRKFKLITE DVQGKNCLTN FHGMDLTRDK MCSMVKKWQT MIEAHVDVKT TDGYLLRLFC VGFTKKRNNQ IRKTSYAQHQ Q VRQIRKKM ...String:
MAVGKNKRLT KGGKKGAKKK VVDPFSKKDW YDVKAPAMFN IRNIGKTLVT RTQGTKIASD GLKGRVFEVS LADLQNDEVA FRKFKLITE DVQGKNCLTN FHGMDLTRDK MCSMVKKWQT MIEAHVDVKT TDGYLLRLFC VGFTKKRNNQ IRKTSYAQHQ Q VRQIRKKM MEIMTREVQT NDLKEVVNKL IPDSIGKDIE KACQSIYPLH DVFVRKVKML KKPKFELGKL MELHGEGSSS GK ATGDETG AKVERADGYE PPVQESV

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Macromolecule #4: 40S ribosomal protein S4, X isoform

MacromoleculeName: 40S ribosomal protein S4, X isoform / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 29.654869 KDa
SequenceString: MARGPKKHLK RVAAPKHWML DKLTGVFAPR PSTGPHKLRE CLPLIIFLRN RLKYALTGDE VKKICMQRFI KIDGKVRTDI TYPAGFMDV ISIDKTGENF RLIYDTKGRF AVHRITPEEA KYKLCKVRKI FVGTKGIPHL VTHDARTIRY PDPLIKVNDT I QIDLETGK ...String:
MARGPKKHLK RVAAPKHWML DKLTGVFAPR PSTGPHKLRE CLPLIIFLRN RLKYALTGDE VKKICMQRFI KIDGKVRTDI TYPAGFMDV ISIDKTGENF RLIYDTKGRF AVHRITPEEA KYKLCKVRKI FVGTKGIPHL VTHDARTIRY PDPLIKVNDT I QIDLETGK ITDFIKFDTG NLCMVTGGAN LGRIGVITNR ERHPGSFDVV HVKDANGNSF ATRLSNIFVI GKGNKPWISL PR GKGIRLT IAEERDKRLA AKQSSG

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Macromolecule #5: 40S ribosomal protein S30

MacromoleculeName: 40S ribosomal protein S30 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 6.668938 KDa
SequenceString:
KVHGSLARAG KVRGQTPKVA KQEKKKKKTG RAKRRMQYNR RFVNVVPTFG KKKGPNANS

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Macromolecule #6: 40S ribosomal protein S7

MacromoleculeName: 40S ribosomal protein S7 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 22.168914 KDa
SequenceString: MFSSSAKIVK PNGEKPDEFE SGISQALLEL EMNSDLKAQL RELNITAAKE IEVGGGRKAI IIFVPVPQLK SFQKIQVRLV RELEKKFSG KHVVFIAQRR ILPKPTRKSR TKNKQKRPRS RTLTAVHDAI LEDLVFPSEI VGKRIRVKLD GSRLIKVHLD K AQQNNVEH ...String:
MFSSSAKIVK PNGEKPDEFE SGISQALLEL EMNSDLKAQL RELNITAAKE IEVGGGRKAI IIFVPVPQLK SFQKIQVRLV RELEKKFSG KHVVFIAQRR ILPKPTRKSR TKNKQKRPRS RTLTAVHDAI LEDLVFPSEI VGKRIRVKLD GSRLIKVHLD K AQQNNVEH KVETFSGVYK KLTGKDVNFE FPEFQL

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Macromolecule #7: 40S ribosomal protein S6

MacromoleculeName: 40S ribosomal protein S6 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 28.751906 KDa
SequenceString: MKLNISFPAT GCQKLIEVDD ERKLRTFYEK RMATEVAADA LGEEWKGYVV RISGGNDKQG FPMKQGVLTH GRVRLLLSKG HSCYRPRRT GERKRKSVRG CIVDANLSVL NLVIVKKGEK DIPGLTDTTV PRRLGPKRAS RIRKLFNLSK EDDVRQYVVR K PLNKEGKK ...String:
MKLNISFPAT GCQKLIEVDD ERKLRTFYEK RMATEVAADA LGEEWKGYVV RISGGNDKQG FPMKQGVLTH GRVRLLLSKG HSCYRPRRT GERKRKSVRG CIVDANLSVL NLVIVKKGEK DIPGLTDTTV PRRLGPKRAS RIRKLFNLSK EDDVRQYVVR K PLNKEGKK PRTKAPKIQR LVTPRVLQHK RRRIALKKQR TKKNKEEAAE YAKLLAKRMK EAKEKRQEQI AKRRRLSSLR AS TSKSESS QK

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Macromolecule #8: 40S ribosomal protein S24

MacromoleculeName: 40S ribosomal protein S24 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 15.463333 KDa
SequenceString:
MNDTVTIRTR KFMTNRLLQR KQMVIDVLHP GKATVPKTEI REKLAKMYKT TPDVIFVFGF RTHFGGGKTT GFGMIYDSLD YAKKNEPKH RLARHGLYEK KKTSRKQRKE RKNRMKKVRG TAKANVGAGK KPKE

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Macromolecule #9: RNA-binding protein PNO1

MacromoleculeName: RNA-binding protein PNO1 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 27.970355 KDa
SequenceString: MESEMETQSA RAEEGFTQVT RKGGRRAKKR QAEQLSAAGE GGDAGRMDTE EARPAKRPVF PPLCGDGLLS GKEETRKIPV PANRYTPLK ENWMKIFTPI VEHLGLQIRF NLKSRNVEIR TCKETKDVSA LTKAADFVKA FILGFQVEDA LALIRLDDLF L ESFEITDV ...String:
MESEMETQSA RAEEGFTQVT RKGGRRAKKR QAEQLSAAGE GGDAGRMDTE EARPAKRPVF PPLCGDGLLS GKEETRKIPV PANRYTPLK ENWMKIFTPI VEHLGLQIRF NLKSRNVEIR TCKETKDVSA LTKAADFVKA FILGFQVEDA LALIRLDDLF L ESFEITDV KPLKGDHLSR AIGRIAGKGG KTKFTIENVT RTRIVLADVK VHILGSFQNI KMARTAICNL ILGNPPSKVY GN IRAVASR SADRF

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Macromolecule #10: 40S ribosomal protein S23

MacromoleculeName: 40S ribosomal protein S23 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 15.844666 KDa
SequenceString:
MGKCRGLRTA RKLRSHRRDQ KWHDKQYKKA HLGTALKANP FGGASHAKGI VLEKVGVEAK QPNSAIRKCV RVQLIKNGKK ITAFVPNDG CLNFIEENDE VLVAGFGRKG HAVGDIPGVR FKVVKVANVS LLALYKGKKE RPRS

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Macromolecule #11: 40S ribosomal protein S15a

MacromoleculeName: 40S ribosomal protein S15a / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 14.865555 KDa
SequenceString:
MVRMNVLADA LKSINNAEKR GKRQVLIRPC SKVIVRFLTV MMKHGYIGEF EIIDDHRAGK IVVNLTGRLN KCGVISPRFD VQLKDLEKW QNNLLPSRQF GFIVLTTSAG IMDHEEARRK HTGGKILGFF F

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Macromolecule #12: Pre-rRNA-processing protein TSR1 homolog

MacromoleculeName: Pre-rRNA-processing protein TSR1 homolog / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 91.951188 KDa
SequenceString: MAAHRPGPLK QQNKAHKGGR HRGRGSAQRD GKGRLALKTL SKKVRKELSR VDQRHRASQL RKQKKEAVLA EKRQLGGKDG PPHQVLVVP LHSRISLPEA MQLLQDRDTG TVHLNELGNT QNFMLLCPRL KHRWFFTSAR PGDLHVVLDM AKVADTILFL L DPLEGWDS ...String:
MAAHRPGPLK QQNKAHKGGR HRGRGSAQRD GKGRLALKTL SKKVRKELSR VDQRHRASQL RKQKKEAVLA EKRQLGGKDG PPHQVLVVP LHSRISLPEA MQLLQDRDTG TVHLNELGNT QNFMLLCPRL KHRWFFTSAR PGDLHVVLDM AKVADTILFL L DPLEGWDS TGDYCLSCLF AQGLPTYTLA VQGISGLPLK KQIDTRKKLS KAVEKRFPHD KLLLLDTQQE AGMLLRQLAN QK QQHLAFR DRRAYLFAHA VDFVPSEENN LVGTLKISGY VRGQTLNVNR LLHIVGYGDF QMKQIDAPGD PFPLNPRGIK PQK DPDMAM EICATDAVDD MEEGLKVLMK ADPGRQESLQ AEVIPDPMEG EQTWPTEEEL SEAKDFLKES SKVVKKVPKG TSSY QAEWI LDGGSQSGGE GDEYEYDDME HEDFMEEESQ DESSEEEEEY ETMTIGESVH DDLYDKKVDE EAEAKMLEKY KQERL EEMF PDEVDTPRDV AARIRFQKYR GLKSFRTSPW DPKENLPQDY ARIFQFQNFT NTRKSIFKEV EEKEVEGAEV GWYVTL HVS EVPVSVVECF RQGTPLIAFS LLPHEQKMSV LNMVVRRDPG NTEPVKAKEE LIFHCGFRRF RASPLFSQHT AADKHKL QR FLTADMALVA TVYAPITFPP ASVLLFKQKS NGMHSLIATG HLMSVDPDRM VIKRVVLSGH PFKIFTKMAV VRYMFFNR E DVLWFKPVEL RTKWGRRGHI KEPLGTHGHM KCSFDGKLKS QDTVLMNLYK RVFPKWTYDP YVPEPVPWLK SEISSTVPQ GGME

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Macromolecule #13: 40S ribosomal protein S14

MacromoleculeName: 40S ribosomal protein S14 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 16.302772 KDa
SequenceString:
MAPRKGKEKK EEQVISLGPQ VAEGENVFGV CHIFASFNDT FVHVTDLSGK ETICRVTGGM KVKADRDESS PYAAMLAAQD VAQRCKELG ITALHIKLRA TGGNRTKTPG PGAQSALRAL ARSGMKIGRI EDVTPIPSDS TRRKGGRRGR RL

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Macromolecule #14: 40S ribosomal protein S13

MacromoleculeName: 40S ribosomal protein S13 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 17.259389 KDa
SequenceString:
MGRMHAPGKG LSQSALPYRR SVPTWLKLTS DDVKEQIYKL AKKGLTPSQI GVILRDSHGV AQVRFVTGNK ILRILKSKGL APDLPEDLY HLIKKAVAVR KHLERNRKDK DAKFRLILIE SRIHRLARYY KTKRVLPPNW KYESSTASAL VA

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Macromolecule #15: 40S ribosomal protein S11

MacromoleculeName: 40S ribosomal protein S11 / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 18.468826 KDa
SequenceString:
MADIQTERAY QKQPTIFQNK KRVLLGETGK EKLPRYYKNI GLGFKTPKEA IEGTYIDKKC PFTGNVSIRG RILSGVVTKM KMQRTIVIR RDYLHYIRKY NRFEKRHKNM SVHLSPCFRD VQIGDIVTVG ECRPLSKTVR FNVLKVTKAA GTKKQFQKF

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Macromolecule #16: 40S ribosomal protein S9

MacromoleculeName: 40S ribosomal protein S9 / type: protein_or_peptide / ID: 16 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 22.641564 KDa
SequenceString: MPVARSWVCR KTYVTPRRPF EKSRLDQELK LIGEYGLRNK REVWRVKFTL AKIRKAAREL LTLDEKDPRR LFEGNALLRR LVRIGVLDE GKMKLDYILG LKIEDFLERR LQTQVFKLGL AKSIHHARVL IRQRHIRVRK QVVNIPSFIV RLDSQKHIDF S LRSPYGGG ...String:
MPVARSWVCR KTYVTPRRPF EKSRLDQELK LIGEYGLRNK REVWRVKFTL AKIRKAAREL LTLDEKDPRR LFEGNALLRR LVRIGVLDE GKMKLDYILG LKIEDFLERR LQTQVFKLGL AKSIHHARVL IRQRHIRVRK QVVNIPSFIV RLDSQKHIDF S LRSPYGGG RPGRVKRKNA KKGQGGAGAG DDEEED

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Macromolecule #17: 40S ribosomal protein S8

MacromoleculeName: 40S ribosomal protein S8 / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 24.263387 KDa
SequenceString: MGISRDNWHK RRKTGGKRKP YHKKRKYELG RPAANTKIGP RRIHTVRVRG GNKKYRALRL DVGNFSWGSE CCTRKTRIID VVYNASNNE LVRTKTLVKN CIVLIDSTPY RQWYESHYAL PLGRKKGAKL TPEEEEILNK KRSKKIQKKY DERKKNAKIS S LLEEQFQQ ...String:
MGISRDNWHK RRKTGGKRKP YHKKRKYELG RPAANTKIGP RRIHTVRVRG GNKKYRALRL DVGNFSWGSE CCTRKTRIID VVYNASNNE LVRTKTLVKN CIVLIDSTPY RQWYESHYAL PLGRKKGAKL TPEEEEILNK KRSKKIQKKY DERKKNAKIS S LLEEQFQQ GKLLACIASR PGQCGRADGY VLEGKELEFY LRKIKARKGK

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Macromolecule #18: Multifunctional methyltransferase subunit TRM112-like protein

MacromoleculeName: Multifunctional methyltransferase subunit TRM112-like protein
type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 14.215359 KDa
SequenceString:
MKLLTHNLLS SHVRGVGSRG FPLRLQATEV RICPVEFNPN FVARMIPKVE WSAFLEAADN LRLIQVPKGP VEGYEENEEF LRTMHHLLL EVEVIEGTLQ CPESGRMFPI SRGIPNMLLS EEETES

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Macromolecule #19: Probable 18S rRNA (guanine-N(7))-methyltransferase

MacromoleculeName: Probable 18S rRNA (guanine-N(7))-methyltransferase / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
EC number: Transferases; Transferring one-carbon groups; Methyltransferases
Source (natural)Organism: human (human)
Molecular weightTheoretical: 31.925428 KDa
SequenceString: MASRGRRPEH GGPPELFYDE TEARKYVRNS RMIDIQTRMA GRALELLYLP ENKPCYLLDI GCGTGLSGSY LSDEGHYWVG LDISPAMLD EAVDREIEGD LLLGDMGQGI PFKPGTFDGC ISISAVQWLC NANKKSENPA KRLYCFFASL FSVLVRGSRA V LQLYPENS ...String:
MASRGRRPEH GGPPELFYDE TEARKYVRNS RMIDIQTRMA GRALELLYLP ENKPCYLLDI GCGTGLSGSY LSDEGHYWVG LDISPAMLD EAVDREIEGD LLLGDMGQGI PFKPGTFDGC ISISAVQWLC NANKKSENPA KRLYCFFASL FSVLVRGSRA V LQLYPENS EQLELITTQA TKAGFSGGMV VDYPNSAKAK KFYLCLFSGP STFIPEGLSE NQDEVEPRES VFTNERFPLR MS RRGMVRK SRAWVLEKKE RHRRQGREVR PDTQYTGRKR KPRF

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Macromolecule #20: RRP12-like protein

MacromoleculeName: RRP12-like protein / type: protein_or_peptide / ID: 20 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 143.916516 KDa
SequenceString: MGRSGKLPSG VSAKLKRWKK GHSSDSNPAI CRHRQAARSR FFSRPSGRSD LTVDAVKLHN ELQSGSLRLG KSEAPETPME EEAELVLTE KSSGTFLSGL SDCTNVTFSK VQRFWESNSA AHKEICAVLA AVTEVIRSQG GKETETEYFA ALMTTMEAVE S PESLAAVA ...String:
MGRSGKLPSG VSAKLKRWKK GHSSDSNPAI CRHRQAARSR FFSRPSGRSD LTVDAVKLHN ELQSGSLRLG KSEAPETPME EEAELVLTE KSSGTFLSGL SDCTNVTFSK VQRFWESNSA AHKEICAVLA AVTEVIRSQG GKETETEYFA ALMTTMEAVE S PESLAAVA YLLNLVLKRV PSPVLIKKFS DTSKAFMDIM SAQASSGSTS VLRWVLSCLA TLLRKQDLEA WGYPVTLQVY HG LLSFTVH PKPKIRKAAQ HGVCSVLKGS EFMFEKAPAH HPAAISTAKF CIQEIEKSGG SKEATTTLHM LTLLKDLLPC FPE GLVKSC SETLLRVMTL SHVLVTACAM QAFHSLFHAR PGLSTLSAEL NAQIITALYD YVPSENDLQP LLAWLKVMEK AHIN LVRLQ WDLGLGHLPR FFGTAVTCLL SPHSQVLTAA TQSLKEILKE CVAPHMADIG SVTSSASGPA QSVAKMFRAV EEGLT YKFH AAWSSVLQLL CVFFEACGRQ AHPVMRKCLQ SLCDLRLSPH FPHTAALDQA VGAAVTSMGP EVVLQAVPLE IDGSEE TLD FPRSWLLPVI RDHVQETRLG FFTTYFLPLA NTLKSKAMDL AQAGSTVESK IYDTLQWQMW TLLPGFCTRP TDVAISF KG LARTLGMAIS ERPDLRVTVC QALRTLITKG CQAEADRAEV SRFAKNFLPI LFNLYGQPVA AGDTPAPRRA VLETIRTY L TITDTQLVNS LLEKASEKVL DPASSDFTRL SVLDLVVALA PCADEAAISK LYSTIRPYLE SKAHGVQKKA YRVLEEVCA SPQGPGALFV QSHLEDLKKT LLDSLRSTSS PAKRPRLKCL LHIVRKLSAE HKEFITALIP EVILCTKEVS VGARKNAFAL LVEMGHAFL RFGSNQEEAL QCYLVLIYPG LVGAVTMVSC SILALTHLLF EFKGLMGTST VEQLLENVCL LLASRTRDVV K SALGFIKV AVTVMDVAHL AKHVQLVMEA IGKLSDDMRR HFRMKLRNLF TKFIRKFGFE LVKRLLPEEY HRVLVNIRKA EA RAKRHRA LSQAAVEEEE EEEEEEEPAQ GKGDSIEEIL ADSEDEEDNE EEERSRGKEQ RKLARQRSRA WLKEGGGDEP LNF LDPKVA QRVLATQPGP GRGRKKDHGF KVSADGRLII REEADGNKME EEEGAKGEDE EMADPMEDVI IRNKKHQKLK HQKE AEEEE LEIPPQYQAG GSGIHRPVAK KAMPGAEYKA KKAKGDVKKK GRPDPYAYIP LNRSKLNRRK KMKLQGQFKG LVKAA RRGS QVGHKNRRKD RRP

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Macromolecule #21: Ribosome biogenesis protein SLX9 homolog

MacromoleculeName: Ribosome biogenesis protein SLX9 homolog / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 25.503346 KDa
SequenceString: MGKVRGLRAR VHQAAVRPKG EAAPGPAPPA PEATPPPASA AGKDWAFINT NIFARTKIDP SALVQKLELD VRSVTSVRRG EAGSSARSV PSIRRGAEAK TVLPKKEKMK LRREQWLQKI EAIKLAEQKH REERRRRATV VVGDLHPLRD ALPELLGLEA G SRRQARSR ...String:
MGKVRGLRAR VHQAAVRPKG EAAPGPAPPA PEATPPPASA AGKDWAFINT NIFARTKIDP SALVQKLELD VRSVTSVRRG EAGSSARSV PSIRRGAEAK TVLPKKEKMK LRREQWLQKI EAIKLAEQKH REERRRRATV VVGDLHPLRD ALPELLGLEA G SRRQARSR ESNKPRPSEL SRMSAAQRQQ LLEEERTRFQ ELLASPAYRA SPLVAIGQTL ARQMQLEDGG QL

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Macromolecule #22: U3 small nucleolar RNA-associated protein 14 homolog A

MacromoleculeName: U3 small nucleolar RNA-associated protein 14 homolog A
type: protein_or_peptide / ID: 22 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: human (human)
Molecular weightTheoretical: 88.129125 KDa
SequenceString: MTANRLAESL LALSQQEELA DLPKDYLLSE SEDEGDNDGE RKHQKLLEAI SSLDGKNRRK LAERSEASLK VSEFNVSSEG SGEKLVLAD LLEPVKTSSS LATVKKQLSR VKSKKTVELP LNKEEIERIH REVAFNKTAQ VLSKWDPVVL KNRQAEQLVF P LEKEEPAI ...String:
MTANRLAESL LALSQQEELA DLPKDYLLSE SEDEGDNDGE RKHQKLLEAI SSLDGKNRRK LAERSEASLK VSEFNVSSEG SGEKLVLAD LLEPVKTSSS LATVKKQLSR VKSKKTVELP LNKEEIERIH REVAFNKTAQ VLSKWDPVVL KNRQAEQLVF P LEKEEPAI APIEHVLSGW KARTPLEQEI FNLLHKNKQP VTDPLLTPVE KASLRAMSLE EAKMRRAELQ RARALQSYYE AK ARREKKI KSKKYHKVVK KGKAKKALKE FEQLRKVNPA AALEELEKIE KARMMERMSL KHQNSGKWAK SKAIMAKYDL EAR QAMQEQ LSKNKELTQK LQVASESEEE EGGTEDVEEL LVPDVVNEVQ MNADGPNPWM LRSCTSDTKE AATQEDPEQL PELE AHGVS ESEGEERPVA EEEILLREFE ERRSLRKRSE LSQDAEPAGS QETKDSGSQE VLSELRVLSQ KLKENHQSRK QKASS EGTI PQVQREEPAP EEEEPLLLQR PERVQTLEEL EELGKEECFQ NKELPRPVLE GQQSERTPNN RPDAPKEKKK KEQMID LQN LLTTQSPSVK SLAVPTIEEL EDEEERNHRQ MIKEAFAGDD VIRDFLKEKR EAVEASKPKD VDLTLPGWGE WGGVGLK PS AKKRRRFLIK APEGPPRKDK NLPNVIINEK RNIHAAAHQV RVLPYPFTHH WQFERTIQTP IGSTWNTQRA FQKLTTPK V VTKPGHIINP IKAEDVGYRS SSRSDLSVIQ RNPKRITTRH KKQLKKCSVD

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Macromolecule #23: Probable dimethyladenosine transferase

MacromoleculeName: Probable dimethyladenosine transferase / type: protein_or_peptide / ID: 23 / Number of copies: 1 / Enantiomer: LEVO
EC number: 18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase
Source (natural)Organism: human (human)
Molecular weightTheoretical: 35.292434 KDa
SequenceString: MPKVKSGAIG RRRGRQEQRR ELKSAGGLMF NTGIGQHILK NPLIINSIID KAALRPTDVV LEVGPGTGNM TVKLLEKAKK VVACELDPR LVAELHKRVQ GTPVASKLQV LVGDVLKTDL PFFDTCVANL PYQISSPFVF KLLLHRPFFR CAILMFQREF A LRLVAKPG ...String:
MPKVKSGAIG RRRGRQEQRR ELKSAGGLMF NTGIGQHILK NPLIINSIID KAALRPTDVV LEVGPGTGNM TVKLLEKAKK VVACELDPR LVAELHKRVQ GTPVASKLQV LVGDVLKTDL PFFDTCVANL PYQISSPFVF KLLLHRPFFR CAILMFQREF A LRLVAKPG DKLYCRLSIN TQLLARVDHL MKVGKNNFRP PPKVESSVVR IEPKNPPPPI NFQEWDGLVR ITFVRKNKTL SA AFKSSAV QQLLEKNYRI HCSVHNIIIP EDFSIADKIQ QILTSTGFSD KRARSMDIDD FIRLLHGFNA EGIHFS

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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: 7.4
VitrificationCryogen name: ETHANE

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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 / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.8 µm
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 44.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: OTHER / Details: Relion
Final angle assignmentType: OTHER / Details: Relion
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 8843
FSC plot (resolution estimation)

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