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- PDB-4v7i: Ribosome-SecY complex. -

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Basic information

Entry
Database: PDB / ID: 4v7i
TitleRibosome-SecY complex.
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 30
  • (PREPROTEIN TRANSLOCASE ...) x 3
  • 16S ribosomal RNA
  • 23S ribosomal RNA
  • 5S ribosomal RNA
KeywordsRIBOSOME / RIBOSOME-SECY COMPLEX / PROTEIN TRANSLOCATION / Cell membrane / Membrane / Protein transport / Translocation / Transmembrane / Transport / Repressor / Ribonucleoprotein / Ribosomal protein / RNA-binding / rRNA-binding / Translation regulation / tRNA-binding / Acetylation / Methylation / Antibiotic resistance / Transcription / Transcription regulation / Transcription termination / Phosphoprotein
Function / homology
Function and homology information


stringent response / ornithine decarboxylase inhibitor activity / misfolded RNA binding / transcription antitermination factor activity, RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis ...stringent response / ornithine decarboxylase inhibitor activity / misfolded RNA binding / transcription antitermination factor activity, RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / translational termination / DnaA-L2 complex / four-way junction DNA binding / translation repressor activity / negative regulation of translational initiation / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / ribosome assembly / mRNA regulatory element binding translation repressor activity / response to reactive oxygen species / assembly of large subunit precursor of preribosome / transcription elongation factor complex / positive regulation of RNA splicing / DNA endonuclease activity / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / transcription antitermination / : / regulation of cell growth / DNA-templated transcription termination / maintenance of translational fidelity / response to radiation / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / ribosomal large subunit assembly / cytosolic small ribosomal subunit / protein transport / large ribosomal subunit rRNA binding / ribosome binding / ribosome biogenesis / regulation of translation / large ribosomal subunit / 5S rRNA binding / cytoplasmic translation / small ribosomal subunit / cytosolic large ribosomal subunit / transferase activity / tRNA binding / negative regulation of translation / molecular adaptor activity / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / response to antibiotic / mRNA binding / negative regulation of DNA-templated transcription / DNA binding / RNA binding / zinc ion binding / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Preprotein translocase subunit SecG / Protein transport protein SecG/Sec61-beta/Sbh / Sec61beta family / Ribosomal protein L1, bacterial-type / Ribosomal protein L1, conserved site / Ribosomal protein L1 / Ribosomal protein L1 signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. ...Preprotein translocase subunit SecG / Protein transport protein SecG/Sec61-beta/Sbh / Sec61beta family / Ribosomal protein L1, bacterial-type / Ribosomal protein L1, conserved site / Ribosomal protein L1 / Ribosomal protein L1 signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein L1-like / Ribosomal protein L1/ribosomal biogenesis protein / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L1p/L10e family / Ribosomal protein L11, bacterial-type / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 / Ribosomal protein L11, conserved site / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L11 signature. / Ribosomal protein L16 signature 1. / : / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L11, N-terminal / Ribosomal protein L17 signature. / Ribosomal protein L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, C-terminal / Ribosomal protein L11, C-terminal domain superfamily / Ribosomal protein L11/L12, N-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, N-terminal domain / Ribosomal protein L11, RNA binding domain / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L28/L24 superfamily / Ribosomal protein L36 signature. / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L32p, bacterial type / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / Ribosomal protein L28 / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L5, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L20 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein L27, conserved site / Ribosomal protein S6, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L14P, bacterial-type / Ribosomal protein S4, bacterial-type / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal L28 family / Ribosomal protein L33
Similarity search - Domain/homology
: / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 ...: / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein uL1 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL36A / Large ribosomal subunit protein bL9 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL6 / Small ribosomal subunit protein uS14 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / Preprotein translocase subunit SecG / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL5 / Small ribosomal subunit protein bS21 / Large ribosomal subunit protein bL25 / Small ribosomal subunit protein uS15
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Methanocaldococcus jannaschii (archaea)
Escherichia coli K-12 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 9.6 Å
AuthorsGumbart, J.C. / Trabuco, L.G. / Schreiner, E. / Villa, E. / Schulten, K.
CitationJournal: Structure / Year: 2009
Title: Regulation of the protein-conducting channel by a bound ribosome.
Authors: James Gumbart / Leonardo G Trabuco / Eduard Schreiner / Elizabeth Villa / Klaus Schulten /
Abstract: During protein synthesis, it is often necessary for the ribosome to form a complex with a membrane-bound channel, the SecY/Sec61 complex, in order to translocate nascent proteins across a cellular ...During protein synthesis, it is often necessary for the ribosome to form a complex with a membrane-bound channel, the SecY/Sec61 complex, in order to translocate nascent proteins across a cellular membrane. Structural data on the ribosome-channel complex are currently limited to low-resolution cryo-electron microscopy maps, including one showing a bacterial ribosome bound to a monomeric SecY complex. Using that map along with available atomic-level models of the ribosome and SecY, we have determined, through molecular dynamics flexible fitting (MDFF), an atomic-resolution model of the ribosome-channel complex. We characterized computationally the sites of ribosome-SecY interaction within the complex and determined the effect of ribosome binding on the SecY channel. We also constructed a model of a ribosome in complex with a SecY dimer by adding a second copy of SecY to the MDFF-derived model. The study involved 2.7-million-atom simulations over altogether nearly 50 ns.
History
DepositionOct 21, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 9, 2014Provider: repository / Type: Initial release
SupersessionDec 10, 2014ID: 3KC4, 3KCR
Revision 1.1Dec 10, 2014Group: Other
Revision 1.2Apr 22, 2015Group: Other
Revision 1.3Jul 18, 2018Group: Data collection / Other / Category: cell / em_image_scans / em_software
Item: _cell.length_a / _cell.length_b ..._cell.length_a / _cell.length_b / _cell.length_c / _em_software.image_processing_id
Revision 1.4Dec 18, 2019Group: Other / Category: atom_sites
Item: _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][3]
Revision 1.5Feb 28, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_3d_fitting_list / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type

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Structure visualization

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Assembly

Deposited unit
A7: 5S ribosomal RNA
A8: 23S ribosomal RNA
AA: PREPROTEIN TRANSLOCASE SECY SUBUNIT
AB: PREPROTEIN TRANSLOCASE SECE SUBUNIT
AC: Preprotein translocase subunit secG
A5: 50S ribosomal protein L1
A6: 50S ribosomal protein L2
AD: 50S ribosomal protein L3
AE: 50S ribosomal protein L4
AF: 50S ribosomal protein L5
AG: 50S ribosomal protein L6
AH: 50S ribosomal protein L9
AI: 50S ribosomal protein L11
AJ: 50S ribosomal protein L13
AK: 50S ribosomal protein L14
AL: 50S ribosomal protein L15
AM: 50S ribosomal protein L16
AN: 50S ribosomal protein L17
AO: 50S ribosomal protein L18
AP: 50S ribosomal protein L19
AQ: 50S ribosomal protein L20
AR: 50S ribosomal protein L21
AS: 50S ribosomal protein L22
AT: 50S ribosomal protein L23
AU: 50S ribosomal protein L24
AV: 50S ribosomal protein L25
AW: 50S ribosomal protein L27
AX: 50S ribosomal protein L28
AY: 50S ribosomal protein L29
AZ: 50S ribosomal protein L30
A0: 50S ribosomal protein L32
A1: 50S ribosomal protein L33
A2: 50S ribosomal protein L34
A3: 50S ribosomal protein L35
A4: 50S ribosomal protein L36
BA: 16S ribosomal RNA
BB: 30S ribosomal protein S2
BC: 30S ribosomal protein S3
BD: 30S ribosomal protein S4
BE: 30S ribosomal protein S5
BF: 30S ribosomal protein S6
BG: 30S ribosomal protein S7
BH: 30S ribosomal protein S8
BI: 30S ribosomal protein S9
BJ: 30S ribosomal protein S10
BK: 30S ribosomal protein S11
BL: 30S ribosomal protein S12
BM: 30S ribosomal protein S13
BN: 30S ribosomal protein S14
BO: 30S ribosomal protein S15
BP: 30S ribosomal protein S16
BQ: 30S ribosomal protein S17
BR: 30S ribosomal protein S18
BS: 30S ribosomal protein S19
BT: 30S ribosomal protein S20
BU: 30S ribosomal protein S21


Theoretical massNumber of molelcules
Total (without water)2,233,34456
Polymers2,233,34456
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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RNA chain , 3 types, 3 molecules A7A8BA

#1: RNA chain 5S ribosomal RNA /


Mass: 38790.090 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: CP001637.1
#2: RNA chain 23S ribosomal RNA /


Mass: 941612.375 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: JO1695.2
#36: RNA chain 16S ribosomal RNA /


Mass: 499690.031 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: J01695.2

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PREPROTEIN TRANSLOCASE ... , 3 types, 3 molecules AAABAC

#3: Protein PREPROTEIN TRANSLOCASE SECY SUBUNIT


Mass: 48367.695 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Details: chimeric protein: Escherichia coli, Methanococcus jannaschii
Source: (natural) Escherichia coli (E. coli)
#4: Protein PREPROTEIN TRANSLOCASE SECE SUBUNIT


Mass: 7149.573 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Details: chimeric protein: Escherichia coli, Methanococcus jannaschii
Source: (natural) Escherichia coli (E. coli)
#5: Protein Preprotein translocase subunit secG / Protein transport protein Sec61 subunit beta homolog


Mass: 5967.010 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Methanocaldococcus jannaschii (archaea) / References: UniProt: P60460

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50S ribosomal protein ... , 30 types, 30 molecules A5A6ADAEAFAGAHAIAJAKALAMANAOAPAQARASATAUAVAWAXAYAZA0A1A2A3A4

#6: Protein 50S ribosomal protein L1 /


Mass: 24765.660 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7L0
#7: Protein 50S ribosomal protein L2 /


Mass: 29923.619 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P60422
#8: Protein 50S ribosomal protein L3 /


Mass: 22277.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P60438
#9: Protein 50S ribosomal protein L4 /


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P60723
#10: Protein 50S ribosomal protein L5 /


Mass: 20333.611 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P62399
#11: Protein 50S ribosomal protein L6 /


Mass: 18932.791 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AG55
#12: Protein 50S ribosomal protein L9 /


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7R1
#13: Protein 50S ribosomal protein L11 /


Mass: 14894.362 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7J7
#14: Protein 50S ribosomal protein L13 /


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AA10
#15: Protein 50S ribosomal protein L14 /


Mass: 13565.067 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0ADY3
#16: Protein 50S ribosomal protein L15 /


Mass: 15008.471 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P02413
#17: Protein 50S ribosomal protein L16 /


Mass: 15312.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0ADY7
#18: Protein 50S ribosomal protein L17 /


Mass: 14393.657 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AG44
#19: Protein 50S ribosomal protein L18 /


Mass: 12794.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0C018
#20: Protein 50S ribosomal protein L19 /


Mass: 13159.278 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7K6
#21: Protein 50S ribosomal protein L20 /


Mass: 13528.024 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7L3
#22: Protein 50S ribosomal protein L21 /


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AG48
#23: Protein 50S ribosomal protein L22 /


Mass: 12253.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P61175
#24: Protein 50S ribosomal protein L23 /


Mass: 11222.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0ADZ0
#25: Protein 50S ribosomal protein L24 /


Mass: 11339.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P60624
#26: Protein 50S ribosomal protein L25 /


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P68919
#27: Protein 50S ribosomal protein L27 /


Mass: 9146.540 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7L8
#28: Protein 50S ribosomal protein L28 /


Mass: 9027.551 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7M2
#29: Protein 50S ribosomal protein L29 /


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7M6
#30: Protein 50S ribosomal protein L30 /


Mass: 6554.820 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AG51
#31: Protein 50S ribosomal protein L32 /


Mass: 6463.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7N4
#32: Protein 50S ribosomal protein L33 /


Mass: 6388.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7N9
#33: Protein/peptide 50S ribosomal protein L34 /


Mass: 5397.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7P5
#34: Protein 50S ribosomal protein L35 / / Ribosomal protein A


Mass: 7313.032 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7Q1
#35: Protein/peptide 50S ribosomal protein L36 / / Ribosomal protein B


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7Q6

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30S ribosomal protein ... , 20 types, 20 molecules BBBCBDBEBFBGBHBIBJBKBLBMBNBOBPBQBRBSBTBU

#37: Protein 30S ribosomal protein S2 /


Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7V0
#38: Protein 30S ribosomal protein S3 /


Mass: 26031.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7V3
#39: Protein 30S ribosomal protein S4 /


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7V8
#40: Protein 30S ribosomal protein S5 /


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7W1
#41: Protein 30S ribosomal protein S6 / / 30S ribosomal protein S6 / fully modified isoform / 30S ribosomal protein S6 / non-modified isoform


Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P02358
#42: Protein 30S ribosomal protein S7 /


Mass: 20055.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P02359
#43: Protein 30S ribosomal protein S8 /


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7W7
#44: Protein 30S ribosomal protein S9 /


Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7X3
#45: Protein 30S ribosomal protein S10 /


Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7R5
#46: Protein 30S ribosomal protein S11 /


Mass: 13870.975 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7R9
#47: Protein 30S ribosomal protein S12 /


Mass: 13768.157 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7S3
#48: Protein 30S ribosomal protein S13 /


Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7S9
#49: Protein 30S ribosomal protein S14 /


Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AG59
#50: Protein 30S ribosomal protein S15 /


Mass: 10319.882 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: O157:H7 / References: UniProt: Q8X9M2
#51: Protein 30S ribosomal protein S16 /


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7T3
#52: Protein 30S ribosomal protein S17 /


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0AG63
#53: Protein 30S ribosomal protein S18 /


Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7T7
#54: Protein 30S ribosomal protein S19 /


Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7U3
#55: Protein 30S ribosomal protein S20 /


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P0A7U7
#56: Protein 30S ribosomal protein S21 /


Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: UniProt: P68679

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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: RIBOSOME-SECY COMPLEX / Type: RIBOSOME / Details: IN DDM
Buffer solutionName: 50 MM HEPES- KOH PH 7.5, 100 MM KOAC, 10 MM MG(OAC)2, 0.05% DDM
pH: 7.5
Details: 50 MM HEPES- KOH PH 7.5, 100 MM KOAC, 10 MM MG(OAC)2, 0.05% DDM
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: SOLID CARBON ON A HOLEY FILM, 400 MESH CU GRID
VitrificationInstrument: HOMEMADE PLUNGER / Cryogen name: ETHANE
Details: THE SPECIMENS WERE PLUNGE FROZEN IN LIQUID ETHANE AT 4 DEGREES C AT AN RH OF ~90-95%.

-
Electron microscopy imaging

Experimental equipment
Model: Tecnai F20 / Image courtesy: FEI Company
MicroscopyModel: FEI TECNAI F20 / Details: GATAN DH626 COLD HOLDER
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal magnification: 50000 X / Calibrated magnification: 51000 X / Nominal defocus max: -3000 nm / Nominal defocus min: -700 nm / Cs: 2 mm
Specimen holderTemperature: 93 K / Tilt angle max: 0 ° / Tilt angle min: 0 °
Image recordingElectron dose: 15 e/Å2 / Film or detector model: KODAK SO-163 FILM
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1

-
Processing

EM software
IDNameVersionCategory
1NAMD2.7B1model fitting
2EMAN3D reconstruction
CTF correctionDetails: EMAN- PHASE FLIPPING OF PARTICLES FORM THE SAME MICROGRAPH
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 9.6 Å / Num. of particles: 39000 / Actual pixel size: 2.73 Å / Details: EMAN / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL / Target criteria: RMSD CONVERGENCE
Details: METHOD--MOLECULAR DYNAMICS FLEXIBLE FITTING REFINEMENT PROTOCOL--FLEXIBLE
Atomic model building
IDPDB-ID 3D fitting-IDAccession codeInitial refinement model-IDSource nameType
12I2V

2i2v
PDB Unreleased entry

12I2V1PDBexperimental model
23BO0

3bo0

13BO02PDBexperimental model
Refinement stepCycle: LAST
ProteinNucleic acidLigandSolventTotal
Num. atoms32040 64828 0 0 96868

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