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- PDB-4v6o: Structural characterization of mRNA-tRNA translocation intermedia... -

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Basic information

Entry
Database: PDB / ID: 4v6o
TitleStructural characterization of mRNA-tRNA translocation intermediates (class 4a of the six classes)
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 32
  • 16S ribosomal RNA
  • 23S ribosomal RNA
  • 5S ribosomal RNA
  • A site tRNA
  • P site tRNA
  • mRNA
KeywordsRIBOSOME / cryoelectron microscopy / molecular dynamics flexible fitting / ratchet-like rotation
Function / homology
Function and homology information


negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity ...negative regulation of cytoplasmic translational initiation / stringent response / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded 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 / four-way junction DNA binding / DnaA-L2 complex / negative regulation of translational initiation / translation repressor activity / regulation of mRNA stability / negative regulation of DNA-templated DNA replication initiation / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / positive regulation of RNA splicing / transcription elongation factor complex / regulation of DNA-templated transcription elongation / cytosolic ribosome assembly / DNA endonuclease activity / response to reactive oxygen species / transcription antitermination / regulation of cell growth / translational initiation / DNA-templated transcription termination / maintenance of translational fidelity / response to radiation / mRNA 5'-UTR binding / large ribosomal subunit / ribosome biogenesis / regulation of translation / ribosome binding / ribosomal small subunit biogenesis / ribosomal small subunit assembly / transferase activity / small ribosomal subunit / small ribosomal subunit rRNA binding / 5S rRNA binding / ribosomal large subunit assembly / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / translation / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Ribosomal protein L1, bacterial-type / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Ribosomal protein L10 / : / Ribosomal protein L1, conserved site / Ribosomal protein L1 signature. / Ribosomal protein L1 / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein S21, conserved site ...Ribosomal protein L1, bacterial-type / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Ribosomal protein L10 / : / Ribosomal protein L1, conserved site / Ribosomal protein L1 signature. / Ribosomal protein L1 / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L1-like / Ribosomal protein L1/ribosomal biogenesis protein / Ribosomal protein L1p/L10e family / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L11, bacterial-type / Ribosomal protein S21 superfamily / Ribosomal protein L31 type A / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein L11, conserved site / Ribosomal protein L11 signature. / Ribosomal protein L10-like domain superfamily / : / Ribosomal protein L10P / Ribosomal protein L10 / Ribosomal protein L16 signature 1. / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / : / 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 L17 signature. / Ribosomal protein L11, N-terminal / Ribosomal protein L11, N-terminal domain / 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, RNA binding domain / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L36 signature. / Ribosomal protein L28/L24 superfamily / 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 L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L28 / : / Ribosomal protein L5, bacterial-type / Ribosomal protein L18, bacterial-type / : / Ribosomal protein L6, bacterial-type / Ribosomal protein S3, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein S4, bacterial-type / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S6, plastid/chloroplast
Similarity search - Domain/homology
N-FORMYLMETHIONINE / TRYPTOPHAN / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 ...N-FORMYLMETHIONINE / TRYPTOPHAN / : / : / : / 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 uL10 / 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 bL31 / 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 / 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)
Sulfolobus acidocaldarius (acidophilic)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 14.7 Å
AuthorsAgirrezabala, X. / Liao, H. / Schreiner, E. / Fu, J. / Ortiz-Meoz, R.F. / Schulten, K. / Green, R. / Frank, J.
CitationJournal: Proc Natl Acad Sci U S A / Year: 2012
Title: Structural characterization of mRNA-tRNA translocation intermediates.
Authors: Xabier Agirrezabala / Hstau Y Liao / Eduard Schreiner / Jie Fu / Rodrigo F Ortiz-Meoz / Klaus Schulten / Rachel Green / Joachim Frank /
Abstract: Cryo-EM analysis of a wild-type Escherichia coli pretranslocational sample has revealed the presence of previously unseen intermediate substates of the bacterial ribosome during the first phase of ...Cryo-EM analysis of a wild-type Escherichia coli pretranslocational sample has revealed the presence of previously unseen intermediate substates of the bacterial ribosome during the first phase of translocation, characterized by intermediate intersubunit rotations, L1 stalk positions, and tRNA configurations. Furthermore, we describe the domain rearrangements in quantitative terms, which has allowed us to characterize the processivity and coordination of the conformational reorganization of the ribosome, along with the associated changes in tRNA ribosome-binding configuration. The results are consistent with the view of the ribosome as a molecular machine employing Brownian motion to reach a functionally productive state via a series of substates with incremental changes in conformation.
History
DepositionDec 7, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 9, 2014Provider: repository / Type: Initial release
SupersessionDec 10, 2014ID: 3J0V, 3J0W
Revision 1.1Dec 10, 2014Group: Other
Revision 1.2Apr 1, 2015Group: Other
Revision 2.0Jul 18, 2018Group: Data collection / Database references / Polymer sequence
Category: em_image_scans / em_software ...em_image_scans / em_software / entity_poly / struct_ref_seq
Item: _em_software.image_processing_id / _em_software.name ..._em_software.image_processing_id / _em_software.name / _entity_poly.pdbx_seq_one_letter_code_can / _struct_ref_seq.db_align_beg / _struct_ref_seq.db_align_end
Revision 3.0Jul 3, 2019Group: Data collection / Derived calculations ...Data collection / Derived calculations / Non-polymer description / Structure summary
Category: chem_comp / entity / struct_conn
Item: _chem_comp.formula / _chem_comp.formula_weight ..._chem_comp.formula / _chem_comp.formula_weight / _entity.formula_weight / _struct_conn.pdbx_leaving_atom_flag
Revision 3.1Dec 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 3.2Feb 8, 2023Group: Database references / Derived calculations ...Database references / Derived calculations / Refinement description / Structure summary
Category: database_2 / entity ...database_2 / entity / pdbx_database_related / pdbx_initial_refinement_model / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity.pdbx_description / _pdbx_database_related.content_type / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id
Revision 3.3May 15, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / em_3d_fitting_list
Item: _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id ..._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
AA: 16S ribosomal RNA
AB: A site tRNA
AC: mRNA
AD: P site tRNA
AE: 30S ribosomal protein S2
AF: 30S ribosomal protein S3
AG: 30S ribosomal protein S4
AH: 30S ribosomal protein S5
AI: 30S ribosomal protein S6
AJ: 30S ribosomal protein S7
AK: 30S ribosomal protein S8
AL: 30S ribosomal protein S9
AM: 30S ribosomal protein S10
AN: 30S ribosomal protein S11
AO: 30S ribosomal protein S12
AP: 30S ribosomal protein S13
AQ: 30S ribosomal protein S14
AR: 30S ribosomal protein S15
AS: 30S ribosomal protein S16
AT: 30S ribosomal protein S17
AU: 30S ribosomal protein S18
AV: 30S ribosomal protein S19
AW: 30S ribosomal protein S20
AX: 30S ribosomal protein S21
BA: 5S ribosomal RNA
BB: 23S ribosomal RNA
BC: 50S ribosomal protein L1
BD: 50S ribosomal protein L2
BE: 50S ribosomal protein L3
BF: 50S ribosomal protein L4
BG: 50S ribosomal protein L5
BH: 50S ribosomal protein L6
BI: 50S ribosomal protein L9
BJ: 50S ribosomal protein L10
BK: 50S ribosomal protein L11
BL: 50S ribosomal protein L13
BM: 50S ribosomal protein L14
BN: 50S ribosomal protein L15
BO: 50S ribosomal protein L16
BP: 50S ribosomal protein L17
BQ: 50S ribosomal protein L18
BR: 50S ribosomal protein L19
BS: 50S ribosomal protein L20
BT: 50S ribosomal protein L21
BU: 50S ribosomal protein L22
BV: 50S ribosomal protein L23
BW: 50S ribosomal protein L24
BX: 50S ribosomal protein L25
BY: 50S ribosomal protein L27
BZ: 50S ribosomal protein L28
B0: 50S ribosomal protein L29
B1: 50S ribosomal protein L30
B2: 50S ribosomal protein L31
B3: 50S ribosomal protein L32
B4: 50S ribosomal protein L33
B5: 50S ribosomal protein L34
B6: 50S ribosomal protein L35
B7: 50S ribosomal protein L36
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,258,69660
Polymers2,258,31558
Non-polymers3812
Water00
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 , 6 types, 6 molecules AAABACADBABB

#1: RNA chain 16S ribosomal RNA


Mass: 499874.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 83754040
#2: RNA chain A site tRNA


Mass: 24642.916 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli)
#3: RNA chain mRNA


Mass: 15036.825 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli)
#4: RNA chain P site tRNA


Mass: 24832.918 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli)
#25: 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) / References: GenBank: 33357928
#26: RNA chain 23S ribosomal RNA


Mass: 941813.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 33357927

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

#5: Protein 30S ribosomal protein S2


Mass: 26650.475 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V0
#6: Protein 30S ribosomal protein S3


Mass: 25900.117 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V3
#7: Protein 30S ribosomal protein S4


Mass: 23383.002 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V8
#8: Protein 30S ribosomal protein S5


Mass: 17498.203 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7W1
#9: Protein 30S ribosomal protein S6


Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P02358
#10: Protein 30S ribosomal protein S7


Mass: 19923.959 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P02359
#11: Protein 30S ribosomal protein S8


Mass: 14015.361 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7W7
#12: Protein 30S ribosomal protein S9


Mass: 14755.074 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7X3
#13: Protein 30S ribosomal protein S10


Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7R5
#14: Protein 30S ribosomal protein S11


Mass: 13739.778 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7R9
#15: Protein 30S ribosomal protein S12


Mass: 13636.961 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7S3
#16: Protein 30S ribosomal protein S13


Mass: 12997.271 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7S9
#17: Protein 30S ribosomal protein S14


Mass: 11475.364 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG59
#18: Protein 30S ribosomal protein S15


Mass: 10188.687 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: Q8X9M2
#19: Protein 30S ribosomal protein S16


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7T3
#20: Protein 30S ribosomal protein S17


Mass: 9593.296 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG63
#21: Protein 30S ribosomal protein S18


Mass: 8874.276 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7T7
#22: Protein 30S ribosomal protein S19


Mass: 10324.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7U3
#23: Protein 30S ribosomal protein S20


Mass: 9577.268 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7U7
#24: Protein 30S ribosomal protein S21


Mass: 8392.844 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P68679

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50S ribosomal protein ... , 32 types, 32 molecules BCBDBEBFBGBHBIBJBKBLBMBNBOBPBQBRBSBTBUBVBWBXBYBZB0B1B2B3B4B5B6B7

#27: Protein 50S ribosomal protein L1


Mass: 24765.660 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sulfolobus acidocaldarius (acidophilic) / References: UniProt: P0A7L0
#28: Protein 50S ribosomal protein L2


Mass: 29792.424 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P60422
#29: Protein 50S ribosomal protein L3


Mass: 22277.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P60438
#30: Protein 50S ribosomal protein L4


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P60723
#31: Protein 50S ribosomal protein L5


Mass: 20202.416 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P62399
#32: Protein 50S ribosomal protein L6


Mass: 18801.598 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG55
#33: Protein 50S ribosomal protein L9


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7R1
#34: Protein 50S ribosomal protein L10


Mass: 17605.396 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Sulfolobus acidocaldarius (acidophilic) / References: UniProt: P0A7J3
#35: Protein 50S ribosomal protein L11


Mass: 14763.165 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7J7
#36: Protein 50S ribosomal protein L13


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AA10
#37: Protein 50S ribosomal protein L14


Mass: 13565.067 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0ADY3
#38: Protein 50S ribosomal protein L15


Mass: 15008.471 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P02413
#39: Protein 50S ribosomal protein L16


Mass: 15312.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0ADY7
#40: Protein 50S ribosomal protein L17


Mass: 14393.657 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG44
#41: Protein 50S ribosomal protein L18


Mass: 12794.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0C018
#42: Protein 50S ribosomal protein L19


Mass: 13028.082 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7K6
#43: Protein 50S ribosomal protein L20


Mass: 13396.828 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7L3
#44: Protein 50S ribosomal protein L21


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG48
#45: Protein 50S ribosomal protein L22


Mass: 12253.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P61175
#46: Protein 50S ribosomal protein L23


Mass: 11222.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0ADZ0
#47: Protein 50S ribosomal protein L24


Mass: 11208.054 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P60624
#48: Protein 50S ribosomal protein L25


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P68919
#49: Protein 50S ribosomal protein L27


Mass: 9015.344 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7L8
#50: Protein 50S ribosomal protein L28


Mass: 8896.354 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7M2
#51: Protein 50S ribosomal protein L29


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7M6
#52: Protein 50S ribosomal protein L30


Mass: 6423.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG51
#53: Protein 50S ribosomal protein L31


Mass: 7887.117 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7M9
#54: Protein 50S ribosomal protein L32


Mass: 6332.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7N4
#55: Protein 50S ribosomal protein L33


Mass: 6257.436 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7N9
#56: 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 (E. coli) / References: UniProt: P0A7P5
#57: Protein 50S ribosomal protein L35


Mass: 7181.835 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7Q1
#58: Protein/peptide 50S ribosomal protein L36


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7Q6

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Non-polymers , 2 types, 2 molecules

#59: Chemical ChemComp-TRP / TRYPTOPHAN


Type: L-peptide linking / Mass: 204.225 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C11H12N2O2
#60: Chemical ChemComp-FME / N-FORMYLMETHIONINE


Type: L-peptide linking / Mass: 177.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H11NO3S

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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: Trp-tRNA-EFTu-GDP-kir-70S ribosome / Type: RIBOSOME / Details: with A and P site tRNAs
Molecular weightValue: 2.8 MDa / Experimental value: NO
Buffer solutionName: HiFi buffer (50 mM Tris-HCl, pH 7.5, 70mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 0.5 mM spermidine, 8mM putrescine, 2 mM DTT, 3.5 mM MgCl2)
pH: 7.5
Details: HiFi buffer (50 mM Tris-HCl, pH 7.5, 70mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 0.5 mM spermidine, 8mM putrescine, 2 mM DTT, 3.5 mM MgCl2)
SpecimenConc.: 0.03 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: 200 mesh / Grid mesh size: 200 divisions/in.
VitrificationInstrument: FEI VITROBOT MARK I / Cryogen name: NITROGEN / Temp: 80 K / Humidity: 90 %
Details: Blot for 3 seconds, plunge into liquid nitrogen (Vitrobot)
Method: blot for 3 seconds

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Electron microscopy imaging

Experimental equipment
Model: Tecnai F30 / Image courtesy: FEI Company
MicroscopyModel: FEI TECNAI F30 / Date: May 1, 2011
Details: automated data collection system AutoEMation (CCD mag. 100000x)
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 59000 X / Calibrated magnification: 58269 X / Nominal defocus max: 4000 nm / Nominal defocus min: 1200 nm / Cs: 2.26 mm
Specimen holderSpecimen holder model: OTHER / Specimen holder type: cartridge / Temperature: 80.7 K / Temperature (max): 80.7 K / Temperature (min): 80.7 K
Image recordingElectron dose: 25 e/Å2 / Film or detector model: TVIPS TEMCAM-F415 (4k x 4k)
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1

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Processing

EM software
IDNameCategory
1MDFFmodel fitting
2SPIDER3D reconstruction
3Xmipp3D reconstruction
CTF correctionDetails: Volumes were CTF-corrected in defocus groups
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 14.7 Å / Resolution method: FSC 0.5 CUT-OFF / Num. of particles: 21000 / Actual pixel size: 1.5 Å / Magnification calibration: 50000 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL / Target criteria: RMSD, cross correlation
Details: REFINEMENT PROTOCOL--Molecular Dynamics based flexible fitting
Atomic model buildingPDB-ID: 2I2U

2i2u
PDB Unreleased entry


Accession code: 2I2U / Source name: PDB / Type: experimental model
Refinement stepCycle: LAST
ProteinNucleic acidLigandSolventTotal
Num. atoms20188 37350 24 0 57562

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