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- PDB-7wtu: Cryo-EM structure of a human pre-40S ribosomal subunit - State RR... -

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Basic information

Entry
Database: PDB / ID: 7wtu
TitleCryo-EM structure of a human pre-40S ribosomal subunit - State RRP12-A1 (without CK1)
Components
  • (40S ribosomal protein ...) x 23
  • 18S rRNA
  • Bystin
  • Multifunctional methyltransferase subunit TRM112-like protein
  • Pre-rRNA-processing protein TSR1 homolog
  • Probable 18S rRNA (guanine-N(7))-methyltransferase
  • Protein LTV1 homolog
  • RNA-binding protein PNO1
  • RRP12-like protein
  • Ribosome biogenesis protein SLX9 homolog
  • Ubiquitin-40S ribosomal protein S27a
KeywordsRIBOSOME / ribosome biogenesis / 40S ribosome
Function / homology
Function and homology information


peptidyl-glutamine methylation / regulation of protein localization to nucleolus / tRNA (m2G10) methyltransferase complex / rRNA (guanine-N7)-methylation / tRNA methyltransferase activator activity / rRNA (guanine) methyltransferase activity / tRNA modification in the nucleus and cytosol / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Methylation / trophectodermal cell differentiation ...peptidyl-glutamine methylation / regulation of protein localization to nucleolus / tRNA (m2G10) methyltransferase complex / rRNA (guanine-N7)-methylation / tRNA methyltransferase activator activity / rRNA (guanine) methyltransferase activity / tRNA modification in the nucleus and cytosol / endonucleolytic cleavage of tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / Methylation / trophectodermal cell differentiation / protein methyltransferase activity / tRNA methylation / positive regulation of rRNA processing / positive regulation of respiratory burst involved in inflammatory response / nucleolus organization / translation at postsynapse / rRNA methylation / negative regulation of RNA splicing / mammalian oogenesis stage / activation-induced cell death of T cells / neural crest cell differentiation / U3 snoRNA binding / translation at presynapse / Formation of the ternary complex, and subsequently, the 43S complex / erythrocyte homeostasis / rRNA modification in the nucleus and cytosol / cytoplasmic side of rough endoplasmic reticulum membrane / snoRNA binding / preribosome, small subunit precursor / negative regulation of ubiquitin protein ligase activity / Ribosomal scanning and start codon recognition / Translation initiation complex formation / fibroblast growth factor binding / monocyte chemotaxis / Protein hydroxylation / TOR signaling / SARS-CoV-1 modulates host translation machinery / mTORC1-mediated signalling / T cell proliferation involved in immune response / Peptide chain elongation / positive regulation of intrinsic apoptotic signaling pathway by p53 class mediator / Selenocysteine synthesis / positive regulation of signal transduction by p53 class mediator / Formation of a pool of free 40S subunits / ubiquitin ligase inhibitor activity / Eukaryotic Translation Termination / Response of EIF2AK4 (GCN2) to amino acid deficiency / SRP-dependent cotranslational protein targeting to membrane / negative regulation of ubiquitin-dependent protein catabolic process / Viral mRNA Translation / negative regulation of respiratory burst involved in inflammatory response / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / 90S preribosome / GTP hydrolysis and joining of the 60S ribosomal subunit / L13a-mediated translational silencing of Ceruloplasmin expression / erythrocyte development / Major pathway of rRNA processing in the nucleolus and cytosol / regulation of translational fidelity / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / maturation of LSU-rRNA / ribosomal small subunit export from nucleus / Nuclear events stimulated by ALK signaling in cancer / rough endoplasmic reticulum / translation regulator activity / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / positive regulation of cell cycle / translation initiation factor binding / gastrulation / Maturation of protein E / Maturation of protein E / MDM2/MDM4 family protein binding / ER Quality Control Compartment (ERQC) / cytosolic ribosome / Mitotic Prometaphase / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / EML4 and NUDC in mitotic spindle formation / Prevention of phagosomal-lysosomal fusion / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / stress granule assembly / Membrane binding and targetting of GAG proteins / Endosomal Sorting Complex Required For Transport (ESCRT) / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / Negative regulation of FLT3 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / Constitutive Signaling by NOTCH1 HD Domain Mutants / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / APC/C:Cdc20 mediated degradation of Cyclin B / Regulation of FZD by ubiquitination / Downregulation of ERBB4 signaling / p75NTR recruits signalling complexes / APC-Cdc20 mediated degradation of Nek2A
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 / Low temperature viability protein Ltv1 / Low temperature viability 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 / Low temperature viability protein Ltv1 / Low temperature viability protein / Multifunctional methyltransferase subunit Trm112 / Alpha-Beta Plaits - #3370 / Trm112-like / Trm112p-like protein / Tsr1, G-like domain / Methyltransferase type 11 / Methyltransferase domain / Bystin / Bystin / : / : / Eukaryotic type KH-domain (KH-domain type I) (327.11.2) / 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) / K Homology domain, type 1 superfamily / Ubiquitin-like protein FUBI / : / Ribosomal protein S12e signature. / Ribosomal protein S12e / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / S27a-like superfamily / : / Ribosomal protein S7e signature. / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S27a / Ribosomal protein S17e, conserved site / Ribosomal protein S27a / Ribosomal protein S17e signature. / Ribosomal protein S27a / Ribosomal protein S3Ae, conserved site / Ribosomal protein S3Ae signature. / Ribosomal protein S30 / Ribosomal protein S30 / Ribosomal protein S27e signature. / 40S ribosomal protein S4, C-terminal domain / 40S ribosomal protein S4 C-terminus / Ribosomal protein S4e, N-terminal, conserved site / Ribosomal protein S4e signature. / Ribosomal protein S19e / Ribosomal protein S8e, conserved site / Ribosomal protein S19e / Ribosomal protein S8e signature. / Ribosomal_S19e / Ribosomal protein S6, eukaryotic / Ribosomal protein S7e / Ribosomal protein S7e / 40S ribosomal protein S1/3, eukaryotes / Ribosomal protein S19A/S15e / Ribosomal protein S17e / Ribosomal protein S17e-like superfamily / Ribosomal S17 / 40S ribosomal protein S11, N-terminal / Ribosomal_S17 N-terminal / : / Ribosomal S24e conserved site / Ribosomal protein S24e signature. / Ribosomal protein S4e, N-terminal / RS4NT (NUC023) domain / Ribosomal protein S4, KOW domain / Ribosomal protein S4e / Ribosomal protein S4e, central region / Ribosomal protein S4e, central domain superfamily / Ribosomal family S4e / Ribosomal protein S23, eukaryotic/archaeal / Ribosomal protein S6/S6e/A/B/2, conserved site / Ribosomal protein S6e signature. / Ribosomal protein S24e / Ribosomal protein S24e / Ribosomal protein S27 / Ribosomal protein S27, zinc-binding domain superfamily / Ribosomal protein S27 / Ribosomal protein S17, archaeal/eukaryotic / Ribosomal protein S8e / Ribosomal protein S3Ae / Ribosomal S3Ae family / Ribosomal S3Ae family / Ribosomal protein S28e conserved site / Ribosomal protein S28e signature. / Ribosomal protein S28e / Ribosomal protein S28e
Similarity search - Domain/homology
S-ADENOSYL-L-HOMOCYSTEINE / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / 18S rRNA (guanine-N(7))-methyltransferase / Small ribosomal subunit protein eS17 / Small ribosomal subunit protein eS12 / Small ribosomal subunit protein eS19 / Small ribosomal subunit protein eS27 ...S-ADENOSYL-L-HOMOCYSTEINE / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / 18S rRNA (guanine-N(7))-methyltransferase / Small ribosomal subunit protein eS17 / Small ribosomal subunit protein eS12 / Small ribosomal subunit protein eS19 / Small ribosomal subunit protein eS27 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein eS1 / Small ribosomal subunit protein eS7 / Small ribosomal subunit protein eS8 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS13 / 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 uS19 / Small ribosomal subunit protein eS24 / Small ribosomal subunit protein eS25 / Small ribosomal subunit protein eS28 / Ubiquitin-like FUBI-ribosomal protein eS30 fusion protein / Ubiquitin-ribosomal protein eS31 fusion protein / Bystin / Pre-rRNA-processing protein TSR1 homolog / RRP12-like protein / Protein LTV1 homolog / RNA-binding protein PNO1 / Ribosome biogenesis protein SLX9 homolog / Multifunctional methyltransferase subunit TRM112-like protein
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsCheng, J. / Lau, B. / Thoms, M. / Ameismeier, M. / Berninghausen, O. / Hurt, E. / Beckmann, R.
Funding support1items
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, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 19, 2022Provider: repository / Type: Initial release
Revision 1.1Nov 16, 2022Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID
Revision 1.2Dec 21, 2022Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 1.3Jun 26, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond / em_admin / Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
2: 18S rRNA
R: 40S ribosomal protein S17
b: 40S ribosomal protein S27
B: 40S ribosomal protein S3a
c: 40S ribosomal protein S28
E: 40S ribosomal protein S4, X isoform
e: 40S ribosomal protein S30
F: 40S ribosomal protein S5
H: 40S ribosomal protein S7
G: 40S ribosomal protein S6
Z: 40S ribosomal protein S25
Y: 40S ribosomal protein S24
x: RNA-binding protein PNO1
X: 40S ribosomal protein S23
w: Bystin
W: 40S ribosomal protein S15a
u: Pre-rRNA-processing protein TSR1 homolog
t: Protein LTV1 homolog
T: 40S ribosomal protein S19
S: 40S ribosomal protein S18
Q: 40S ribosomal protein S16
P: 40S ribosomal protein S15
O: 40S ribosomal protein S14
N: 40S ribosomal protein S13
L: 40S ribosomal protein S11
J: 40S ribosomal protein S9
I: 40S ribosomal protein S8
r: Multifunctional methyltransferase subunit TRM112-like protein
q: Probable 18S rRNA (guanine-N(7))-methyltransferase
K: RRP12-like protein
M: 40S ribosomal protein S12
f: Ubiquitin-40S ribosomal protein S27a
z: Ribosome biogenesis protein SLX9 homolog
hetero molecules


Theoretical massNumber of molelcules
Total (without water)1,476,56635
Polymers1,476,11633
Non-polymers4502
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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RNA chain , 1 types, 1 molecules 2

#1: RNA chain 18S rRNA


Mass: 604117.750 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)

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40S ribosomal protein ... , 23 types, 23 molecules RbBcEeFHGZYXWTSQPONLJIM

#2: Protein 40S ribosomal protein S17 / Small ribosomal subunit protein eS17


Mass: 15578.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P08708
#3: Protein 40S ribosomal protein S27 / Metallopan-stimulin 1 / MPS-1 / Small ribosomal subunit protein eS27


Mass: 9480.186 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P42677
#4: Protein 40S ribosomal protein S3a / Small ribosomal subunit protein eS1 / v-fos transformation effector protein / Fte-1


Mass: 30002.061 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P61247
#5: Protein 40S ribosomal protein S28 / Small ribosomal subunit protein eS28


Mass: 7855.052 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62857
#6: Protein 40S ribosomal protein S4, X isoform / SCR10 / Single copy abundant mRNA protein / Small ribosomal subunit protein eS4


Mass: 29654.869 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62701
#7: Protein 40S ribosomal protein S30 / Small ribosomal subunit protein eS30


Mass: 6668.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62861
#8: Protein 40S ribosomal protein S5 / Small ribosomal subunit protein uS7


Mass: 22913.453 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P46782
#9: Protein 40S ribosomal protein S7 / Small ribosomal subunit protein eS7


Mass: 22168.914 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62081
#10: Protein 40S ribosomal protein S6 / Phosphoprotein NP33 / Small ribosomal subunit protein eS6


Mass: 28751.906 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62753
#11: Protein 40S ribosomal protein S25 / Small ribosomal subunit protein eS25


Mass: 13776.224 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62851
#12: Protein 40S ribosomal protein S24 / Small ribosomal subunit protein eS24


Mass: 15463.333 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62847
#14: Protein 40S ribosomal protein S23 / Small ribosomal subunit protein uS12


Mass: 15844.666 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62266
#16: Protein 40S ribosomal protein S15a / Small ribosomal subunit protein uS8


Mass: 14865.555 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62244
#19: Protein 40S ribosomal protein S19 / Small ribosomal subunit protein eS19


Mass: 16091.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P39019
#20: Protein 40S ribosomal protein S18 / Ke-3 / Ke3 / Small ribosomal subunit protein uS13


Mass: 17759.777 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62269
#21: Protein 40S ribosomal protein S16 / Small ribosomal subunit protein uS9


Mass: 16477.377 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62249
#22: Protein 40S ribosomal protein S15 / RIG protein / Small ribosomal subunit protein uS19


Mass: 17076.207 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62841
#23: Protein 40S ribosomal protein S14 / Small ribosomal subunit protein uS11


Mass: 16302.772 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62263
#24: Protein 40S ribosomal protein S13 / Small ribosomal subunit protein uS15


Mass: 17259.389 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62277
#25: Protein 40S ribosomal protein S11 / Small ribosomal subunit protein uS17


Mass: 18468.826 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62280
#26: Protein 40S ribosomal protein S9 / Small ribosomal subunit protein uS4


Mass: 22641.564 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P46781
#27: Protein 40S ribosomal protein S8 / Small ribosomal subunit protein eS8


Mass: 24263.387 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62241
#31: Protein 40S ribosomal protein S12 / Small ribosomal subunit protein eS12


Mass: 14538.987 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P25398

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Protein , 9 types, 9 molecules xwutrqKfz

#13: Protein RNA-binding protein PNO1 / Partner of NOB1


Mass: 27970.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9NRX1
#15: Protein Bystin


Mass: 49673.258 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13895
#17: Protein Pre-rRNA-processing protein TSR1 homolog


Mass: 91951.188 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q2NL82
#18: Protein Protein LTV1 homolog


Mass: 54935.891 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q96GA3
#28: Protein Multifunctional methyltransferase subunit TRM112-like protein


Mass: 14215.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UI30
#29: Protein Probable 18S rRNA (guanine-N(7))-methyltransferase / Bud site selection protein 23 homolog / Metastasis-related methyltransferase 1 / Williams-Beuren ...Bud site selection protein 23 homolog / Metastasis-related methyltransferase 1 / Williams-Beuren syndrome chromosomal region 22 protein / rRNA methyltransferase and ribosome maturation factor


Mass: 31925.428 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: O43709, Transferases; Transferring one-carbon groups; Methyltransferases
#30: Protein RRP12-like protein


Mass: 143916.516 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q5JTH9
#32: Protein Ubiquitin-40S ribosomal protein S27a / Ubiquitin carboxyl extension protein 80


Mass: 18004.041 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62979
#33: Protein Ribosome biogenesis protein SLX9 homolog


Mass: 25503.346 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9NSI2

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Non-polymers , 2 types, 2 molecules

#34: Chemical ChemComp-SAH / S-ADENOSYL-L-HOMOCYSTEINE


Type: L-peptide linking / Mass: 384.411 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C14H20N6O5S
#35: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Yeast pre-40S ribosomal subunit / Type: RIBOSOME / Entity ID: #1-#33 / Source: NATURAL
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 44 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

Software
NameVersionClassificationNB
phenix.real_space_refine1.19.2_4158refinement
PHENIX1.19.2_4158refinement
CTF correctionDetails: Relion / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 104045 / Symmetry type: POINT
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 15.04 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.005286030
ELECTRON MICROSCOPYf_angle_d0.8631123644
ELECTRON MICROSCOPYf_chiral_restr0.04815140
ELECTRON MICROSCOPYf_plane_restr0.0079842
ELECTRON MICROSCOPYf_dihedral_angle_d15.100325409

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