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- PDB-6gxm: Cryo-EM structure of an E. coli 70S ribosome in complex with RF3-... -

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Basic information

Entry
Database: PDB / ID: 6gxm
TitleCryo-EM structure of an E. coli 70S ribosome in complex with RF3-GDPCP, RF1(GAQ) and Pint-tRNA (State II)
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 30
  • (Peptide chain release factor ...) x 2
  • 16S ribosomal RNA
  • 23S ribosomal RNA
  • 5S ribosomal RNA
  • Apidaecin
  • fMet-tRNA
  • mRNAMessenger RNA
KeywordsRIBOSOME / single particle cryo-EM / GTPase / release factor RF1 / RF2 / RF3 / subunit rotation / translation termination
Function / homology
Function and homology information


regulation of translational termination / translation release factor activity, codon nonspecific / translation release factor activity, codon specific / guanosine tetraphosphate binding / 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 ...regulation of translational termination / translation release factor activity, codon nonspecific / translation release factor activity, codon specific / guanosine tetraphosphate binding / 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 / translation repressor activity / negative regulation of translational initiation / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / ribosome assembly / mRNA regulatory element binding translation repressor activity / response to reactive oxygen species / assembly of large subunit precursor of preribosome / transcription elongation factor complex / positive regulation of RNA splicing / DNA endonuclease activity / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / transcription antitermination / : / regulation of cell growth / DNA-templated transcription termination / maintenance of translational fidelity / response to radiation / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / GDP binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / ribosome binding / ribosome biogenesis / regulation of translation / large ribosomal subunit / 5S rRNA binding / cytoplasmic translation / small ribosomal subunit / cytosolic large ribosomal subunit / transferase activity / tRNA binding / negative regulation of translation / molecular adaptor activity / rRNA binding / ribosome / structural constituent of ribosome / translation / 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
Peptide chain release factor 3, C-terminal / Peptide chain release factor 3, domain III superfamily / Peptide chain release factor 3, GTP-binding domain / Class II release factor RF3, C-terminal domain / Peptide chain release factor 3 / Peptide chain release factor 1 / Peptide chain release factor / PCRF domain / PCRF / Peptide chain release factor class I superfamily ...Peptide chain release factor 3, C-terminal / Peptide chain release factor 3, domain III superfamily / Peptide chain release factor 3, GTP-binding domain / Class II release factor RF3, C-terminal domain / Peptide chain release factor 3 / Peptide chain release factor 1 / Peptide chain release factor / PCRF domain / PCRF / Peptide chain release factor class I superfamily / Prokaryotic-type class I peptide chain release factors signature. / Peptide chain release factor class I / RF-1 domain / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Ribosomal protein L10 / EF-G domain III/V-like / : / Tr-type G domain, conserved site / Translational (tr)-type guanine nucleotide-binding (G) domain signature. / 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 L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, C-terminal / Ribosomal protein L11, C-terminal domain superfamily / Ribosomal protein L11/L12, N-terminal domain superfamily / Ribosomal protein L11/L12 / Ribosomal protein L11, N-terminal domain / Ribosomal protein L11, RNA binding domain / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L28/L24 superfamily / Ribosomal protein L36 signature. / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L32p, bacterial type / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / Ribosomal protein L28 / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L5, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L20 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein L27, conserved site / Ribosomal protein S6, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily
Similarity search - Domain/homology
PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 ...PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Peptide chain release factor RF1 / Peptide chain release factor RF3 / 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 / 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 (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsGraf, M. / Huter, P. / Maracci, C. / Peterek, M. / Rodnina, M.V. / Wilson, D.N.
Funding support Germany, Czech Republic, 4items
OrganizationGrant numberCountry
German Research FoundationFOR-1805 Germany
German Research FoundationWI3285/6-1 Germany
Ministry of Education (Czech Republic)CIISB project number LM2015043 Czech Republic
European UnioniNext project number 2992 Czech Republic
CitationJournal: Nat Commun / Year: 2018
Title: Visualization of translation termination intermediates trapped by the Apidaecin 137 peptide during RF3-mediated recycling of RF1.
Authors: Michael Graf / Paul Huter / Cristina Maracci / Miroslav Peterek / Marina V Rodnina / Daniel N Wilson /
Abstract: During translation termination in bacteria, the release factors RF1 and RF2 are recycled from the ribosome by RF3. While high-resolution structures of the individual termination factors on the ...During translation termination in bacteria, the release factors RF1 and RF2 are recycled from the ribosome by RF3. While high-resolution structures of the individual termination factors on the ribosome exist, direct structural insight into how RF3 mediates dissociation of the decoding RFs has been lacking. Here we have used the Apidaecin 137 peptide to trap RF1 together with RF3 on the ribosome and visualize an ensemble of termination intermediates using cryo-electron microscopy. Binding of RF3 to the ribosome induces small subunit (SSU) rotation and swivelling of the head, yielding intermediate states with shifted P-site tRNAs and RF1 conformations. RF3 does not directly eject RF1 from the ribosome, but rather induces full rotation of the SSU that indirectly dislodges RF1 from its binding site. SSU rotation is coupled to the accommodation of the GTPase domain of RF3 on the large subunit (LSU), thereby promoting GTP hydrolysis and dissociation of RF3 from the ribosome.
History
DepositionJun 27, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 22, 2018Provider: repository / Type: Initial release
Revision 1.1Oct 30, 2019Group: Advisory / Data collection / Derived calculations
Category: pdbx_validate_close_contact / struct_conn / struct_conn_type

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Structure visualization

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Assembly

Deposited unit
A: 23S ribosomal RNA
B: 5S ribosomal RNA
C: 50S ribosomal protein L2
D: 50S ribosomal protein L3
E: 50S ribosomal protein L4
F: 50S ribosomal protein L5
G: 50S ribosomal protein L6
H: 50S ribosomal protein L9
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
0: 50S ribosomal protein L32
1: 50S ribosomal protein L33
2: 50S ribosomal protein L34
3: 50S ribosomal protein L35
4: 50S ribosomal protein L36
5: 50S ribosomal protein L10
7: mRNA
a: 16S ribosomal RNA
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
v: Peptide chain release factor RF1
w: Peptide chain release factor RF3
x: fMet-tRNA
z: Apidaecin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,249,82059
Polymers2,249,29958
Non-polymers5211
Water0
1


  • Idetical with deposited unit
  • defined by software
  • Evidence: microscopy
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area272990 Å2
ΔGint-2263 kcal/mol
Surface area835150 Å2
MethodPISA

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Components

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RNA chain , 5 types, 5 molecules AB7ax

#1: RNA chain 23S ribosomal RNA /


Mass: 941321.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1036415628
#2: RNA chain 5S ribosomal RNA /


Mass: 38813.133 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1402434313
#33: RNA chain mRNA / Messenger RNA


Mass: 2229.403 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli (E. coli)
#34: RNA chain 16S ribosomal RNA /


Mass: 498725.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1359176725
#57: RNA chain fMet-tRNA


Mass: 24802.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1430654817

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50S ribosomal protein ... , 30 types, 30 molecules CDEFGHIJKLMNOPQRSTUVWXYZ012345

#3: 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 (E. coli) / References: UniProt: P60422
#4: 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
#5: 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 (E. coli) / References: UniProt: P60723
#6: 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 (E. coli) / References: UniProt: P62399
#7: 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 (E. coli) / References: UniProt: P0AG55
#8: 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 (E. coli) / References: UniProt: P0A7R1
#9: 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 (E. coli) / References: UniProt: P0A7J7
#10: 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 (E. coli) / References: UniProt: P0AA10
#11: 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 (E. coli) / References: UniProt: P0ADY3
#12: 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 (E. coli) / References: UniProt: P02413
#13: 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
#14: 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 (E. coli) / References: UniProt: P0AG44
#15: 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 (E. coli) / References: UniProt: P0C018
#16: 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 (E. coli) / References: UniProt: P0A7K6
#17: 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 (E. coli) / References: UniProt: P0A7L3
#18: 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 (E. coli) / References: UniProt: P0AG48
#19: 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 (E. coli) / References: UniProt: P61175
#20: 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 (E. coli) / References: UniProt: P0ADZ0
#21: 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 (E. coli) / References: UniProt: P60624
#22: 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 (E. coli) / References: UniProt: P68919
#23: 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 (E. coli) / References: UniProt: P0A7L8
#24: 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 (E. coli) / References: UniProt: P0A7M2
#25: 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 (E. coli) / References: UniProt: P0A7M6
#26: 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 (E. coli) / References: UniProt: P0AG51
#27: 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 (E. coli) / References: UniProt: P0A7N4
#28: 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 (E. coli) / References: UniProt: P0A7N9
#29: 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 (E. coli) / References: UniProt: P0A7P5
#30: 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 (E. coli) / References: UniProt: P0A7Q1
#31: 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 (E. coli) / References: UniProt: P0A7Q6
#32: 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 (E. coli) / References: UniProt: P0A7J3

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

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


Mass: 24253.943 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7V0
#36: 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 (E. coli) / References: UniProt: P0A7V3
#37: 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 (E. coli) / References: UniProt: P0A7V8
#38: 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 (E. coli) / References: UniProt: P0A7W1
#39: 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 (E. coli) / References: UniProt: P02358
#40: 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 (E. coli) / References: UniProt: P02359
#41: 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 (E. coli) / References: UniProt: P0A7W7
#42: 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 (E. coli) / References: UniProt: P0A7X3
#43: 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 (E. coli) / References: UniProt: P0A7R5
#44: 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 (E. coli) / References: UniProt: P0A7R9
#45: 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 (E. coli) / References: UniProt: P0A7S3
#46: 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 (E. coli) / References: UniProt: P0A7S9
#47: Protein 30S ribosomal protein S14 / / Small ribosomal subunit protein uS14


Mass: 11546.442 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0AG59
#48: 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 (E. coli) / References: UniProt: P0ADZ4
#49: 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 (E. coli) / References: UniProt: P0A7T3
#50: 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 (E. coli) / References: UniProt: P0AG63
#51: 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 (E. coli) / References: UniProt: P0A7T7
#52: 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 (E. coli) / References: UniProt: P0A7U3
#53: 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 (E. coli) / References: UniProt: P0A7U7
#54: 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 (E. coli) / References: UniProt: P68679

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Peptide chain release factor ... , 2 types, 2 molecules vw

#55: Protein Peptide chain release factor RF1 / RF-1


Mass: 27580.852 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7I0
#56: Protein Peptide chain release factor RF3 / RF-3


Mass: 59651.934 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0A7I4

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Protein/peptide / Non-polymers , 2 types, 2 molecules z

#58: Protein/peptide Apidaecin


Mass: 1699.052 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli (E. coli)
#59: Chemical ChemComp-GCP / PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER


Mass: 521.208 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C11H18N5O13P3 / Comment: GMP-PCP, energy-carrying molecule analogue*YM

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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: In-vitro reconstitution of E. coli 70S ribosomes with RF3-GDPCP, RF1(GAQ) and Pint-fMet-tRNA
Type: RIBOSOME / Entity ID: #1-#58 / Source: NATURAL
Molecular weightUnits: MEGADALTONS / Experimental value: NO
Source (natural)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.4
Details: Solutions were preapred fresh and filtered previous to usage.
Buffer component
IDConc.NameFormulaBuffer-ID
130 mM4-(2-hydroxyethyl)-1-piperazineethanesulfonic acidHEPES1
270 mMAmmonium chlorideNH4Cl1
35 mMMagnesium chlorideMgCl21
430 mMPotassium chlorideKCl1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen 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: SPOT SCAN
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingElectron dose: 45.9 e/Å2 / Detector mode: INTEGRATING / Film or detector model: FEI FALCON II (4k x 4k)
Image scansWidth: 4096 / Height: 4096

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 49415 / Symmetry type: POINT
Atomic model buildingSpace: REAL

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