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- PDB-6o9k: 70S initiation complex -

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Basic information

Entry
Database: PDB / ID: 6o9k
Title70S initiation complex
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 29
  • 16S rRNA
  • 23S rRNA23S ribosomal RNA
  • 5S rRNA5S ribosomal RNA
  • Translation initiation factor IF-2
  • mRNAMessenger RNA
  • tRNATransfer RNA
KeywordsRIBOSOME / 70S Initiation complex with IF2 and P-I tRNA
Function / homology
Function and homology information


guanosine tetraphosphate binding / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / ribosomal small subunit binding / misfolded RNA binding / transcription antitermination factor activity, RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation ...guanosine tetraphosphate binding / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / ribosomal small subunit binding / 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 / chaperone-mediated protein folding / DnaA-L2 complex / four-way junction DNA binding / negative regulation of translational initiation / translation repressor activity / translational initiation / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / ribosome assembly / translation initiation factor activity / response to cold / mRNA regulatory element binding translation repressor activity / response to reactive oxygen species / assembly of large subunit precursor of preribosome / positive regulation of RNA splicing / DNA endonuclease activity / transcription elongation factor complex / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / transcription antitermination / regulation of cell growth / maintenance of translational fidelity / DNA-templated transcription termination / response to radiation / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / ribosomal large subunit assembly / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / ribosome binding / large ribosomal subunit / ribosome biogenesis / regulation of translation / cytoplasmic translation / small ribosomal subunit / 5S rRNA binding / cytosolic large ribosomal subunit / transferase activity / tRNA binding / negative regulation of translation / rRNA binding / molecular adaptor activity / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / response to antibiotic / mRNA binding / GTPase activity / negative regulation of DNA-templated transcription / GTP binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Initiation factor 2 associated domain, bacterial / Bacterial translation initiation factor IF-2 associated region / Translation initiation factor IF-2, N-terminal / Translation initiation factor IF-2, N-terminal region / Translation initiation factor IF-2, domain II / Initiation factor 2 signature. / Translation initiation factor IF-2, bacterial-like / Translation initiation factor IF- 2, domain 3 / Translation-initiation factor 2 / Translation initiation factor IF- 2 ...Initiation factor 2 associated domain, bacterial / Bacterial translation initiation factor IF-2 associated region / Translation initiation factor IF-2, N-terminal / Translation initiation factor IF-2, N-terminal region / Translation initiation factor IF-2, domain II / Initiation factor 2 signature. / Translation initiation factor IF-2, bacterial-like / Translation initiation factor IF- 2, domain 3 / Translation-initiation factor 2 / Translation initiation factor IF- 2 / Translation initiation factor IF-2, domain 3 superfamily / Putative DNA-binding domain superfamily / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Ribosomal protein L10 / : / Translation elongation factor EFTu-like, domain 2 / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Elongation factor Tu domain 2 / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L11, bacterial-type / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Translational (tr)-type GTP-binding domain / Elongation factor Tu GTP binding domain / Translational (tr)-type guanine nucleotide-binding (G) domain profile. / Ribosomal protein S21 / Ribosomal protein L11, conserved site / Ribosomal protein L10-like domain superfamily / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L10P / Ribosomal protein L10 / 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 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 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 L20 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 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 S4, bacterial-type / Ribosomal protein L14P, 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
Similarity search - Domain/homology
: / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / 50S ribosomal protein L30 / Large ribosomal subunit protein uL15 / 50S ribosomal protein L32 ...: / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / 50S ribosomal protein L30 / Large ribosomal subunit protein uL15 / 50S ribosomal protein L32 / Translation initiation factor IF-2 / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein uS14 / 50S ribosomal protein L23 / 50S ribosomal protein L28 / Large ribosomal subunit protein bL36 / 50S ribosomal protein L24 / 50S ribosomal protein L11 / 30S ribosomal protein S21 / 50S ribosomal protein L10 / Large ribosomal subunit protein uL14 / Small ribosomal subunit protein uS13 / 30S ribosomal protein S3 / 30S ribosomal protein S5 / Large ribosomal subunit protein bL34 / Small ribosomal subunit protein bS16 / 50S ribosomal protein L33 / Large ribosomal subunit protein bL27 / 30S ribosomal protein S10 / Large ribosomal subunit protein bL25 / Small ribosomal subunit protein uS15 / 50S ribosomal protein L4 / 50S ribosomal protein L22 / 50S ribosomal protein L29 / 50S ribosomal protein L21 / 50S ribosomal protein L13 / Small ribosomal subunit protein uS8 / 50S ribosomal protein L2 / 30S ribosomal protein S19 / 50S ribosomal protein L17 / : / 50S ribosomal protein L35 / 50S ribosomal protein L19 / 50S ribosomal protein L6 / 30S ribosomal protein S18 / 30S ribosomal protein S4 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Translation initiation factor IF-2 / Large ribosomal subunit protein uL10 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein bL19 / 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 / 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 / Small ribosomal subunit protein uS15 / 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 / 30S ribosomal protein S6 / 30S ribosomal protein S7 / Large ribosomal subunit protein bL20 / 30S ribosomal protein S20
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4 Å
AuthorsFrank, J. / Gonzalez Jr., R.L. / kaledhonkar, S. / Fu, Z. / Caban, K. / Li, W. / Chen, B. / Sun, M.
Funding support United States, 4items
OrganizationGrant numberCountry
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)R01 GM29169 United States
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)R01 GM55440 United States
National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)R01 GM 084288 United States
American Cancer Society125201 United States
CitationJournal: Nature / Year: 2019
Title: Late steps in bacterial translation initiation visualized using time-resolved cryo-EM.
Authors: Sandip Kaledhonkar / Ziao Fu / Kelvin Caban / Wen Li / Bo Chen / Ming Sun / Ruben L Gonzalez / Joachim Frank /
Abstract: The initiation of bacterial translation involves the tightly regulated joining of the 50S ribosomal subunit to an initiator transfer RNA (fMet-tRNA)-containing 30S ribosomal initiation complex to ...The initiation of bacterial translation involves the tightly regulated joining of the 50S ribosomal subunit to an initiator transfer RNA (fMet-tRNA)-containing 30S ribosomal initiation complex to form a 70S initiation complex, which subsequently matures into a 70S elongation-competent complex. Rapid and accurate formation of the 70S initiation complex is promoted by initiation factors, which must dissociate from the 30S initiation complex before the resulting 70S elongation-competent complex can begin the elongation of translation. Although comparisons of the structures of the 30S and 70S initiation complexes have revealed that the ribosome, initiation factors and fMet-tRNA can acquire different conformations in these complexes, the timing of conformational changes during formation of the 70S initiation complex, the structures of any intermediates formed during these rearrangements, and the contributions that these dynamics might make to the mechanism and regulation of initiation remain unknown. Moreover, the absence of a structure of the 70S elongation-competent complex formed via an initiation-factor-catalysed reaction has precluded an understanding of the rearrangements to the ribosome, initiation factors and fMet-tRNA that occur during maturation of a 70S initiation complex into a 70S elongation-competent complex. Here, using time-resolved cryogenic electron microscopy, we report the near-atomic-resolution view of how a time-ordered series of conformational changes drive and regulate subunit joining, initiation factor dissociation and fMet-tRNA positioning during formation of the 70S elongation-competent complex. Our results demonstrate the power of time-resolved cryogenic electron microscopy to determine how a time-ordered series of conformational changes contribute to the mechanism and regulation of one of the most fundamental processes in biology.
History
DepositionMar 14, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 29, 2019Provider: repository / Type: Initial release
Revision 1.1Jul 3, 2019Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.2Dec 18, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization

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Structure visualization

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Assembly

Deposited unit
a: 16S rRNA
b: 30S ribosomal protein S2
c: 30S ribosomal protein S3
d: 30S ribosomal protein S4
e: 30S ribosomal protein S5
f: 30S ribosomal protein S6
g: 30S ribosomal protein S7
h: 30S ribosomal protein S8
i: 30S ribosomal protein S9
j: 30S ribosomal protein S10
k: 30S ribosomal protein S11
l: 30S ribosomal protein S12
m: 30S ribosomal protein S13
n: 30S ribosomal protein S14
o: 30S ribosomal protein S15
p: 30S ribosomal protein S16
q: 30S ribosomal protein S17
r: 30S ribosomal protein S18
s: 30S ribosomal protein S19
t: 30S ribosomal protein S20
u: 30S ribosomal protein S21
x: mRNA
y: tRNA
z: Translation initiation factor IF-2
A: 23S rRNA
E: 50S ribosomal protein L4
F: 50S ribosomal protein L5
G: 50S ribosomal protein L10
H: 50S ribosomal protein L6
I: 50S ribosomal protein L11
J: 50S ribosomal protein L13
K: 50S ribosomal protein L14
L: 50S ribosomal protein L15
M: 50S ribosomal protein L16
N: 50S ribosomal protein L17
O: 50S ribosomal protein L18
P: 50S ribosomal protein L19
Q: 50S ribosomal protein L20
R: 50S ribosomal protein L21
S: 50S ribosomal protein L22
T: 50S ribosomal protein L23
U: 50S ribosomal protein L24
V: 50S ribosomal protein L25
X: 5S rRNA
Y: 50S ribosomal protein L36
0: 50S ribosomal protein L27
1: 50S ribosomal protein L28
2: 50S ribosomal protein L29
3: 50S ribosomal protein L30
4: 50S ribosomal protein L3
5: 50S ribosomal protein L32
6: 50S ribosomal protein L33
7: 50S ribosomal protein L34
8: 50S ribosomal protein L35
9: 50S ribosomal protein L2


Theoretical massNumber of molelcules
Total (without water)2,173,42655
Polymers2,173,42655
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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RNA chain , 5 types, 5 molecules axyAX

#1: RNA chain 16S rRNA /


Mass: 498725.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1338015391
#22: RNA chain mRNA / Messenger RNA


Mass: 1900.198 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli)
#23: RNA chain tRNA / Transfer RNA


Mass: 24786.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 817573384
#25: RNA chain 23S rRNA / 23S ribosomal RNA


Mass: 925492.125 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli)
#44: RNA chain 5S rRNA / 5S ribosomal RNA


Mass: 38177.762 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1266940032

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

#2: Protein 30S ribosomal protein S2 /


Mass: 24253.943 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: U9ZNW8, UniProt: P0A7V0*PLUS
#3: Protein 30S ribosomal protein S3 /


Mass: 23078.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A376HTV6, UniProt: P0A7V3*PLUS
#4: 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: L3PZ69, UniProt: P0A7V8*PLUS
#5: Protein 30S ribosomal protein S5 /


Mass: 15804.282 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: B6I217, UniProt: P0A7W1*PLUS
#6: Protein 30S ribosomal protein S6 /


Mass: 11669.371 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: S1CG62, UniProt: P02358*PLUS
#7: Protein 30S ribosomal protein S7 /


Mass: 16861.523 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: S1D5F0, UniProt: P02359*PLUS
#8: 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: D8A1L7, UniProt: P0A7W7*PLUS
#9: Protein 30S ribosomal protein S9 /


Mass: 14554.882 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: T9TH92, UniProt: P0A7X3*PLUS
#10: Protein 30S ribosomal protein S10 /


Mass: 11196.988 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7X302, UniProt: P0A7R5*PLUS
#11: Protein 30S ribosomal protein S11 / / Small ribosomal subunit protein uS11


Mass: 12487.200 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7R9
#12: 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: V6FZ95, UniProt: P0A7S3*PLUS
#13: Protein 30S ribosomal protein S13 /


Mass: 12625.753 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A1X3KX08, UniProt: P0A7S9*PLUS
#14: Protein 30S ribosomal protein S14 /


Mass: 7117.352 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A090BZT4, UniProt: P0AG59*PLUS
#15: Protein 30S ribosomal protein S15 /


Mass: 10159.621 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7XN21, UniProt: P0ADZ4*PLUS
#16: 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: B7MIU7, UniProt: P0A7T3*PLUS
#17: Protein 30S ribosomal protein S17 /


Mass: 9263.946 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A080IK26, UniProt: P0AG63*PLUS
#18: Protein 30S ribosomal protein S18 /


Mass: 6328.330 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: L3BXG0, UniProt: P0A7T7*PLUS
#19: Protein 30S ribosomal protein S19 /


Mass: 9057.626 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: F4SQ43, UniProt: P0A7U3*PLUS
#20: Protein 30S ribosomal protein S20 /


Mass: 9506.190 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: T6N332, UniProt: P0A7U7*PLUS
#21: Protein 30S ribosomal protein S21 /


Mass: 6067.081 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A0K5Z365, UniProt: P68679*PLUS

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Protein , 1 types, 1 molecules z

#24: Protein Translation initiation factor IF-2


Mass: 54866.508 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A069XYI1, UniProt: P0A705*PLUS

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50S ribosomal protein ... , 29 types, 29 molecules EFGHIJKLMNOPQRSTUVY0123456789

#26: 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: D7Z9F6, UniProt: P60723*PLUS
#27: Protein 50S ribosomal protein L5 /


Mass: 20073.234 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: V0YP03, UniProt: P62399*PLUS
#28: Protein 50S ribosomal protein L10 /


Mass: 12633.635 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A1X3HYZ2, UniProt: P0A7J3*PLUS
#29: Protein 50S ribosomal protein L6 /


Mass: 18801.598 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: L2VF14, UniProt: P0AG55*PLUS
#30: Protein 50S ribosomal protein L11 /


Mass: 14763.165 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A0G3K9Z8, UniProt: P0A7J7*PLUS
#31: 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: D7ZET0, UniProt: P0AA10*PLUS
#32: Protein 50S ribosomal protein L14 /


Mass: 13451.910 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A1X3JBQ6, UniProt: P0ADY3*PLUS
#33: Protein 50S ribosomal protein L15 /


Mass: 14877.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A037Y8L6, UniProt: P02413*PLUS
#34: Protein 50S ribosomal protein L16 / / Large ribosomal subunit protein uL16


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


Mass: 13721.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: H4KMQ6, UniProt: P0AG44*PLUS
#36: Protein 50S ribosomal protein L18 /


Mass: 12663.471 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: I0VVN8, UniProt: P0C018*PLUS
#37: Protein 50S ribosomal protein L19 /


Mass: 13028.082 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: J7R4G2, UniProt: P0A7K6*PLUS
#38: Protein 50S ribosomal protein L20 /


Mass: 13396.828 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: S1EK76, UniProt: P0A7L3*PLUS
#39: 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: D7ZEN7, UniProt: P0AG48*PLUS
#40: 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: D7Z9G0, UniProt: P61175*PLUS
#41: Protein 50S ribosomal protein L23 /


Mass: 10546.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A0A8UEU4, UniProt: P0ADZ0*PLUS
#42: Protein 50S ribosomal protein L24 /


Mass: 11078.874 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A0G3K7Z5, UniProt: P60624*PLUS
#43: 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: D7XH79, UniProt: P68919*PLUS
#45: 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: A0A0E2L017, UniProt: P0A7Q6*PLUS
#46: Protein 50S ribosomal protein L27 /


Mass: 8476.680 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: D6IE98, UniProt: P0A7L8*PLUS
#47: Protein 50S ribosomal protein L28 /


Mass: 8896.354 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A0E1TA76, UniProt: P0A7M2*PLUS
#48: 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: D7Z9G3, UniProt: P0A7M6*PLUS
#49: Protein 50S ribosomal protein L30 /


Mass: 6423.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A029IJY9, UniProt: P0AG51*PLUS
#50: Protein 50S ribosomal protein L3 / / Large ribosomal subunit protein uL3


Mass: 22277.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P60438
#51: Protein 50S ribosomal protein L32 /


Mass: 6332.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: A0A069XK10, UniProt: P0A7N4*PLUS
#52: Protein/peptide 50S ribosomal protein L33 /


Mass: 5814.842 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: D6I2Q0, UniProt: P0A7N9*PLUS
#53: 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: B7MGC4, UniProt: P0A7P5*PLUS
#54: Protein 50S ribosomal protein L35 /


Mass: 7181.835 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: I2RJ64, UniProt: P0A7Q1*PLUS
#55: Protein 50S ribosomal protein L2 /


Mass: 29663.244 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli / References: UniProt: E9YV59, UniProt: P60422*PLUS

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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: 70S elongation competent ribosome / Type: RIBOSOME / Entity ID: all / Source: NATURAL
Source (natural)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: unspecified
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Tecnai F30 / Image courtesy: FEI Company
MicroscopyModel: FEI TECNAI F30
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: DARK FIELD
Image recordingElectron dose: 35 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM softwareName: MDFF / Category: model fitting
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 34096 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL

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