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- PDB-7sso: Pre translocation 70S ribosome with A/A and P/E tRNA (Structure II-A) -

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Basic information

Entry
Database: PDB / ID: 7sso
TitlePre translocation 70S ribosome with A/A and P/E tRNA (Structure II-A)
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 32
  • 16S rRNA
  • 23S rRNA23S ribosomal RNA
  • 5S rRNA5S ribosomal RNA
  • mRNAMessenger RNA
  • tRNA Pro
  • tRNA fMet
KeywordsRIBOSOME / Hybrid / Translocation
Function / homology
Function and homology information


negative regulation of cytoplasmic translational initiation / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / misfolded RNA binding / transcription antitermination factor activity, RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity ...negative regulation of cytoplasmic translational initiation / stringent response / mRNA base-pairing translational repressor activity / 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 / negative regulation of translational initiation / translation repressor activity / 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 / 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 / translation / response to antibiotic / mRNA binding / negative regulation of DNA-templated transcription / 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 / Ribosomal protein L1 signature. / 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 / 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 L31 type A / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein L31 signature. / Ribosomal protein S21 / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / 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 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 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
Similarity search - Domain/homology
N-FORMYLMETHIONINE / PROLINE / : / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) ...N-FORMYLMETHIONINE / PROLINE / : / : / : / : / : / 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 / 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
Similarity search - Component
Biological speciesEscherichia coli K-12 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsCarbone, C.E. / Korostelev, A.A.
Funding support Czech Republic, 4items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM127094 Czech Republic
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)F31 HL152650 Czech Republic
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM134931 Czech Republic
Czech Science FoundationGJ20-16013Y Czech Republic
CitationJournal: Nat Commun / Year: 2021
Title: Time-resolved cryo-EM visualizes ribosomal translocation with EF-G and GTP.
Authors: Christine E Carbone / Anna B Loveland / Howard B Gamper / Ya-Ming Hou / Gabriel Demo / Andrei A Korostelev /
Abstract: During translation, a conserved GTPase elongation factor-EF-G in bacteria or eEF2 in eukaryotes-translocates tRNA and mRNA through the ribosome. EF-G has been proposed to act as a flexible motor that ...During translation, a conserved GTPase elongation factor-EF-G in bacteria or eEF2 in eukaryotes-translocates tRNA and mRNA through the ribosome. EF-G has been proposed to act as a flexible motor that propels tRNA and mRNA movement, as a rigid pawl that biases unidirectional translocation resulting from ribosome rearrangements, or by various combinations of motor- and pawl-like mechanisms. Using time-resolved cryo-EM, we visualized GTP-catalyzed translocation without inhibitors, capturing elusive structures of ribosome•EF-G intermediates at near-atomic resolution. Prior to translocation, EF-G binds near peptidyl-tRNA, while the rotated 30S subunit stabilizes the EF-G GTPase center. Reverse 30S rotation releases Pi and translocates peptidyl-tRNA and EF-G by ~20 Å. An additional 4-Å translocation initiates EF-G dissociation from a transient ribosome state with highly swiveled 30S head. The structures visualize how nearly rigid EF-G rectifies inherent and spontaneous ribosomal dynamics into tRNA-mRNA translocation, whereas GTP hydrolysis and Pi release drive EF-G dissociation.
History
DepositionNov 11, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 23, 2022Provider: repository / Type: Initial release

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Structure visualization

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Assembly

Deposited unit
3: 16S rRNA
1: 23S rRNA
2: 5S rRNA
5: tRNA Pro
b: 50S ribosomal protein L2
c: 50S ribosomal protein L3
d: 50S ribosomal protein L4
e: 50S ribosomal protein L5
f: 50S ribosomal protein L6
g: 50S ribosomal protein L9
a: 50S ribosomal protein L1
h: 50S ribosomal protein L10
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
w: 50S ribosomal protein L27
x: 50S ribosomal protein L28
y: 50S ribosomal protein L29
z: 50S ribosomal protein L30
A: 50S ribosomal protein L31
B: 50S ribosomal protein L32
C: 50S ribosomal protein L33
D: 50S ribosomal protein L34
E: 50S ribosomal protein L35
F: 50S ribosomal protein L36
4: mRNA
6: tRNA fMet
G: 30S ribosomal protein S2
H: 30S ribosomal protein S3
I: 30S ribosomal protein S4
J: 30S ribosomal protein S5
K: 30S ribosomal protein S6
L: 30S ribosomal protein S7
M: 30S ribosomal protein S8
N: 30S ribosomal protein S9
O: 30S ribosomal protein S10
P: 30S ribosomal protein S11
Q: 30S ribosomal protein S12
R: 30S ribosomal protein S13
S: 30S ribosomal protein S14
T: 30S ribosomal protein S15
U: 30S ribosomal protein S16
V: 30S ribosomal protein S17
W: 30S ribosomal protein S18
X: 30S ribosomal protein S19
Y: 30S ribosomal protein S20
Z: 30S ribosomal protein S21
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,226,60660
Polymers2,226,31358
Non-polymers2922
Water0
1


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

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Components

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RNA chain , 6 types, 6 molecules 312546

#1: RNA chain 16S rRNA /


Mass: 498725.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / References: GenBank: 1126835768
#2: RNA chain 23S rRNA / 23S ribosomal RNA


Mass: 941305.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / References: GenBank: 802133627
#3: RNA chain 5S rRNA / 5S ribosomal RNA


Mass: 38813.133 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / References: GenBank: 1266961702
#4: RNA chain tRNA Pro


Mass: 24862.746 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: MRE600 / References: GenBank: 1848949880
#37: RNA chain mRNA / Messenger RNA


Mass: 11385.971 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli K-12 (bacteria)
#38: RNA chain tRNA fMet


Mass: 24802.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / References: GenBank: 1275521620

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

#5: Protein 50S ribosomal protein L2 / / Large ribosomal subunit protein uL2


Mass: 29663.244 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P60422
#6: 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 K-12 (bacteria) / Strain: K12 / References: UniProt: P60438
#7: Protein 50S ribosomal protein L4 / / Large ribosomal subunit protein uL4


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P60723
#8: Protein 50S ribosomal protein L5 / / Large ribosomal subunit protein uL5


Mass: 20073.234 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P62399
#9: Protein 50S ribosomal protein L6 / / Large ribosomal subunit protein uL6


Mass: 18801.598 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AG55
#10: Protein 50S ribosomal protein L9 / / Large ribosomal subunit protein bL9


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7R1
#11: Protein 50S ribosomal protein L1 / / Large ribosomal subunit protein uL1


Mass: 23735.498 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7L0
#12: Protein 50S ribosomal protein L10 / / 50S ribosomal protein L8 / Large ribosomal subunit protein uL10


Mass: 14112.345 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7J3
#13: Protein 50S ribosomal protein L11 / / Large ribosomal subunit protein uL11


Mass: 14763.165 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7J7
#14: Protein 50S ribosomal protein L13 / / Large ribosomal subunit protein uL13


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AA10
#15: Protein 50S ribosomal protein L14 / / Large ribosomal subunit protein uL14


Mass: 13451.910 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0ADY3
#16: Protein 50S ribosomal protein L15 / / Large ribosomal subunit protein uL15


Mass: 14877.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P02413
#17: 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 K-12 (bacteria) / Strain: K12 / References: UniProt: P0ADY7
#18: Protein 50S ribosomal protein L17 / / Large ribosomal subunit protein bL17


Mass: 13721.938 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AG44
#19: Protein 50S ribosomal protein L18 / / Large ribosomal subunit protein uL18


Mass: 12663.471 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0C018
#20: Protein 50S ribosomal protein L19 / / Large ribosomal subunit protein bL19


Mass: 13028.082 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7K6
#21: Protein 50S ribosomal protein L20 / / Large ribosomal subunit protein bL20


Mass: 13396.828 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7L3
#22: Protein 50S ribosomal protein L21 / / Large ribosomal subunit protein bL21


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AG48
#23: Protein 50S ribosomal protein L22 / / Large ribosomal subunit protein uL22


Mass: 12253.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P61175
#24: Protein 50S ribosomal protein L23 / / Large ribosomal subunit protein uL23


Mass: 10546.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0ADZ0
#25: Protein 50S ribosomal protein L24 / / Large ribosomal subunit protein uL24


Mass: 11078.874 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P60624
#26: Protein 50S ribosomal protein L25 / / Large ribosomal subunit protein bL25


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P68919
#27: Protein 50S ribosomal protein L27 / / Large ribosomal subunit protein bL27


Mass: 8174.394 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7L8
#28: Protein 50S ribosomal protein L28 / / Large ribosomal subunit protein bL28


Mass: 8896.354 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7M2
#29: Protein 50S ribosomal protein L29 / / Large ribosomal subunit protein uL29


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7M6
#30: Protein 50S ribosomal protein L30 / / Large ribosomal subunit protein uL30


Mass: 6423.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AG51
#31: Protein 50S ribosomal protein L31 / / Large ribosomal subunit protein bL31-A


Mass: 7516.693 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7M9
#32: Protein 50S ribosomal protein L32 / / Large ribosomal subunit protein bL32


Mass: 6332.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7N4
#33: Protein/peptide 50S ribosomal protein L33 / / Large ribosomal subunit protein bL33


Mass: 5814.842 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7N9
#34: Protein/peptide 50S ribosomal protein L34 / / Large ribosomal subunit protein bL34


Mass: 5397.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7P5
#35: Protein 50S ribosomal protein L35 / / Large ribosomal subunit protein bL35 / Ribosomal protein A


Mass: 7181.835 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7Q1
#36: Protein/peptide 50S ribosomal protein L36 / / Large ribosomal subunit protein bL36-A / 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: K12 / References: UniProt: P0A7Q6

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

#39: Protein 30S ribosomal protein S2 / / Small ribosomal subunit protein uS2


Mass: 25015.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7V0
#40: Protein 30S ribosomal protein S3 / / Small ribosomal subunit protein uS3


Mass: 23078.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7V3
#41: Protein 30S ribosomal protein S4 / / Small ribosomal subunit protein uS4


Mass: 23383.002 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7V8
#42: Protein 30S ribosomal protein S5 / / Small ribosomal subunit protein uS5


Mass: 16532.088 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7W1
#43: Protein 30S ribosomal protein S6 / / Small ribosomal subunit protein bS6


Mass: 11669.371 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P02358
#44: Protein 30S ribosomal protein S7 / / Small ribosomal subunit protein uS7


Mass: 16861.523 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P02359
#45: Protein 30S ribosomal protein S8 / / Small ribosomal subunit protein uS8


Mass: 14015.361 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7W7
#46: Protein 30S ribosomal protein S9 / / Small ribosomal subunit protein uS9


Mass: 14554.882 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7X3
#47: Protein 30S ribosomal protein S10 / / Small ribosomal subunit protein uS10


Mass: 11196.988 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7R5
#48: Protein 30S ribosomal protein S11 / / Small ribosomal subunit protein uS11


Mass: 12388.068 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7R9
#49: Protein 30S ribosomal protein S12 / / Small ribosomal subunit protein uS12


Mass: 13636.961 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7S3
#50: Protein 30S ribosomal protein S13 / / Small ribosomal subunit protein uS13


Mass: 12625.753 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7S9
#51: Protein 30S ribosomal protein S14 / / Small ribosomal subunit protein uS14


Mass: 11475.364 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AG59
#52: Protein 30S ribosomal protein S15 / / Small ribosomal subunit protein uS15


Mass: 10159.621 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0ADZ4
#53: Protein 30S ribosomal protein S16 / / Small ribosomal subunit protein bS16


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7T3
#54: Protein 30S ribosomal protein S17 / / Small ribosomal subunit protein uS17


Mass: 9263.946 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0AG63
#55: Protein 30S ribosomal protein S18 / / Small ribosomal subunit protein bS18


Mass: 7606.768 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7T7
#56: Protein 30S ribosomal protein S19 / / Small ribosomal subunit protein uS19


Mass: 9057.626 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7U3
#57: Protein 30S ribosomal protein S20 / / Small ribosomal subunit protein bS20


Mass: 9506.190 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P0A7U7
#58: Protein 30S ribosomal protein S21 / / Small ribosomal subunit protein bS21


Mass: 7763.073 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / Strain: K12 / References: UniProt: P68679

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Non-polymers , 2 types, 2 molecules

#59: Chemical ChemComp-FME / N-FORMYLMETHIONINE / N-Formylmethionine


Type: L-peptide linking / Mass: 177.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H11NO3S / Feature type: SUBJECT OF INVESTIGATION
#60: Chemical ChemComp-PRO / PROLINE / Proline


Type: L-peptide linking / Mass: 115.130 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C5H9NO2

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Details

Has ligand of interestY

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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: Pre translocation 70S ribosome with A/A and P/E tRNA (Structure II-A)
Type: RIBOSOME / Entity ID: #1-#58 / Source: MULTIPLE SOURCES
Molecular weightValue: 2.7 MDa / Experimental value: NO
Source (natural)Organism: Escherichia coli K-12 (bacteria)
Source (recombinant)Organism: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1500 nm / Nominal defocus min: 500 nm
Image recordingElectron dose: 40.2 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM software
IDNameCategoryFitting-ID
4CTFFINDCTF correction
7UCSF Chimeramodel fitting1
9FREALIGNinitial Euler assignment
10FREALIGNfinal Euler assignment
11FREALIGNclassification
12FREALIGN3D reconstruction
13RSRefmodel refinement1
20UCSF Chimeramodel fitting2
26PHENIXmodel refinement2
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 7257 / Symmetry type: POINT
Atomic model building
ID
1
2

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