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- PDB-5wfs: 70S ribosome-EF-Tu H84A complex with GTP and near-cognate tRNA (C... -

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Basic information

Entry
Database: PDB / ID: 5wfs
Title70S ribosome-EF-Tu H84A complex with GTP and near-cognate tRNA (Complex C4)
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 31
  • 16S rRNA
  • 23S rRNA
  • 5S rRNA
  • Elongation factor Tu 2
  • Phe-tRNA-Phe
  • mRNA
  • tRNA-fMet
KeywordsRIBOSOME / translation / GTPase
Function / homology
Function and homology information


guanosine tetraphosphate binding / translation elongation factor activity / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity ...guanosine tetraphosphate binding / translation elongation factor activity / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / cytosolic small ribosomal subunit / ribosomal large subunit assembly / cytoplasmic translation / cytosolic large ribosomal subunit / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / GTPase activity / mRNA binding / GTP binding / RNA binding / metal ion binding / cytosol / cytoplasm
Similarity search - Function
Translation elongation factor EFTu/EF1A, C-terminal / Translation elongation factor EFTu/EF1A, bacterial/organelle / Elongation factor Tu, domain 2 / Elongation factor Tu (EF-Tu), GTP-binding domain / : / Elongation factor Tu C-terminal domain / Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Ribosomal protein L10 ...Translation elongation factor EFTu/EF1A, C-terminal / Translation elongation factor EFTu/EF1A, bacterial/organelle / Elongation factor Tu, domain 2 / Elongation factor Tu (EF-Tu), GTP-binding domain / : / Elongation factor Tu C-terminal domain / Translation elongation factor EF1A/initiation factor IF2gamma, C-terminal / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Ribosomal protein L10 / 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 / Ribosomal protein S14, bacterial/plastid / Elongation factor Tu domain 2 / 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 S21 / Ribosomal protein L31 signature. / Translational (tr)-type GTP-binding domain / Elongation factor Tu GTP binding domain / Translational (tr)-type guanine nucleotide-binding (G) domain profile. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / : / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L11, conserved site / Ribosomal protein L11 signature. / Ribosomal protein L10-like domain superfamily / Ribosomal protein L16 signature 1. / Ribosomal protein L10P / Ribosomal protein L10 / : / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L17 signature. / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L11, N-terminal / Ribosomal protein L11, N-terminal domain / Ribosomal protein L11/L12 / Ribosomal protein L11, C-terminal / Ribosomal protein L11, C-terminal domain superfamily / Ribosomal protein L11/L12, N-terminal domain superfamily / Ribosomal protein L11, RNA binding domain / Ribosomal protein L11/L12 / Ribosomal protein L36 signature. / Ribosomal protein L28/L24 superfamily / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L32p, bacterial type / 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 L18, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein L20 signature.
Similarity search - Domain/homology
N-FORMYLMETHIONINE / GUANOSINE-5'-TRIPHOSPHATE / : / PHENYLALANINE / : / : / : / : / RNA / RNA (> 10) ...N-FORMYLMETHIONINE / GUANOSINE-5'-TRIPHOSPHATE / : / PHENYLALANINE / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Elongation factor Tu 2 / Small ribosomal subunit protein bS21 / Large ribosomal subunit protein bL36A / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein bL25 / Small ribosomal subunit protein bS20 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL35 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS2 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL21 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein bL17 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS11 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL6 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS14 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL14 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS3 / Large ribosomal subunit protein uL22 / Small ribosomal subunit protein uS19 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL3 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein uS12 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL31 / Large ribosomal subunit protein bL19 / Small ribosomal subunit protein bS16 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein uL10 / Large ribosomal subunit protein bL32 / Small ribosomal subunit protein bS18 / Large ribosomal subunit protein bL9 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS5 / Large ribosomal subunit protein uL23
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsFislage, M. / Frank, J.
Funding support United States, 2items
OrganizationGrant numberCountry
Howard Hughes Medical Institute (HHMI) United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01 GM29169 United States
CitationJournal: Nucleic Acids Res / Year: 2018
Title: Cryo-EM shows stages of initial codon selection on the ribosome by aa-tRNA in ternary complex with GTP and the GTPase-deficient EF-TuH84A.
Authors: Marcus Fislage / Jingji Zhang / Zuben Patrick Brown / Chandra Sekhar Mandava / Suparna Sanyal / Måns Ehrenberg / Joachim Frank /
Abstract: The GTPase EF-Tu in ternary complex with GTP and aminoacyl-tRNA (aa-tRNA) promotes rapid and accurate delivery of cognate aa-tRNAs to the ribosomal A site. Here we used cryo-EM to study the molecular ...The GTPase EF-Tu in ternary complex with GTP and aminoacyl-tRNA (aa-tRNA) promotes rapid and accurate delivery of cognate aa-tRNAs to the ribosomal A site. Here we used cryo-EM to study the molecular origins of the accuracy of ribosome-aided recognition of a cognate ternary complex and the accuracy-amplifying role of the monitoring bases A1492, A1493 and G530 of the 16S rRNA. We used the GTPase-deficient EF-Tu variant H84A with native GTP, rather than non-cleavable GTP analogues, to trap a near-cognate ternary complex in high-resolution ribosomal complexes of varying codon-recognition accuracy. We found that ribosome complexes trapped by GTPase-deficicent ternary complex due to the presence of EF-TuH84A or non-cleavable GTP analogues have very similar structures. We further discuss speed and accuracy of initial aa-tRNA selection in terms of conformational changes of aa-tRNA and stepwise activation of the monitoring bases at the decoding center of the ribosome.
History
DepositionJul 12, 2017Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 2, 2018Provider: repository / Type: Initial release
Revision 1.1May 23, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Jul 4, 2018Group: Data collection / Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Jul 18, 2018Group: Data collection / Experimental preparation / Category: em_sample_support / Item: _em_sample_support.grid_type
Revision 2.0Jul 3, 2019Group: Data collection / Non-polymer description / Structure summary
Category: chem_comp / entity
Item: _chem_comp.formula / _chem_comp.formula_weight / _entity.formula_weight
Revision 2.1Nov 20, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 2.2Mar 13, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

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Assembly

Deposited unit
A: 23S rRNA
B: 5S rRNA
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 1
5: 50S ribosomal protein L10
6: 50S ribosomal protein L31
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
v: tRNA-fMet
w: tRNA-fMet
x: mRNA
y: Phe-tRNA-Phe
z: Elongation factor Tu 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,297,5491540
Polymers2,260,65759
Non-polymers36,8921481
Water21,1681175
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: homology
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area310850 Å2
ΔGint-2515 kcal/mol
Surface area821960 Å2

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Components

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RNA chain , 6 types, 7 molecules ABavwxy

#1: RNA chain 23S rRNA


Mass: 941548.438 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: 216643
#2: RNA chain 5S rRNA


Mass: 38813.133 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: 1199817771
#34: RNA chain 16S rRNA


Mass: 499239.000 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: 1114191980
#55: RNA chain tRNA-fMet


Mass: 24818.893 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: 817573384
#56: RNA chain mRNA


Mass: 3772.296 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli)
Production host: in vitro transcription vector pT7-TP(deltai) (others)
#57: RNA chain Phe-tRNA-Phe


Mass: 24649.912 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600

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50S ribosomal protein ... , 31 types, 31 molecules CDEFGHIJKLMNOPQRSTUVWXYZ0123456

#3: Protein 50S ribosomal protein L2


Mass: 29663.244 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCT2
#4: Protein 50S ribosomal protein L3


Mass: 22146.338 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCT5
#5: Protein 50S ribosomal protein L4


Mass: 21990.367 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCT4
#6: Protein 50S ribosomal protein L5


Mass: 20073.234 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS3
#7: Protein 50S ribosomal protein L6


Mass: 18543.238 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS0
#8: Protein 50S ribosomal protein L9


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MLK8
#9: Protein 50S ribosomal protein L11


Mass: 14763.165 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MIW9
#10: Protein 50S ribosomal protein L13


Mass: 15937.448 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MBZ2
#11: Protein 50S ribosomal protein L14


Mass: 13451.910 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS5
#12: Protein 50S ribosomal protein L15


Mass: 14879.357 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A8A5A6
#13: Protein 50S ribosomal protein L16


Mass: 15312.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS8
#14: Protein 50S ribosomal protein L17


Mass: 13592.823 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCR0
#15: 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) / Strain: MRE600 / References: UniProt: B7MCR9
#16: Protein 50S ribosomal protein L19


Mass: 13028.082 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MIU4
#17: Protein 50S ribosomal protein L20


Mass: 13212.593 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MAS6
#18: Protein 50S ribosomal protein L21


Mass: 11515.297 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MBV5
#19: Protein 50S ribosomal protein L22


Mass: 12096.166 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCT0
#20: Protein 50S ribosomal protein L23


Mass: 10415.276 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0ADZ2
#21: Protein 50S ribosomal protein L24


Mass: 11078.874 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7L4J5
#22: Protein 50S ribosomal protein L25


Mass: 10511.190 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7LAK9
#23: Protein 50S ribosomal protein L27


Mass: 8146.384 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MBV4
#24: Protein 50S ribosomal protein L28


Mass: 8896.354 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MFJ8
#25: Protein 50S ribosomal protein L29


Mass: 7087.256 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS7
#26: Protein 50S ribosomal protein L30


Mass: 6223.433 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCR7
#27: Protein 50S ribosomal protein L32


Mass: 6203.069 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MJ76
#28: Protein 50S ribosomal protein L33


Mass: 5928.000 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MFJ7
#29: Protein/peptide 50S ribosomal protein L34


Mass: 5268.283 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MGC4
#30: Protein 50S ribosomal protein L35


Mass: 7181.835 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MAS7
#31: Protein/peptide 50S ribosomal protein L36 1


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A8A5A4
#32: Protein 50S ribosomal protein L10


Mass: 14112.345 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MIX1
#33: Protein 50S ribosomal protein L31


Mass: 7516.693 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MI68

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

#35: 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) / Strain: MRE600 / References: UniProt: B7MBF0
#36: 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) / Strain: MRE600 / References: UniProt: B7MCS9
#37: 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) / Strain: MRE600 / References: UniProt: B7MCR2
#38: Protein 30S ribosomal protein S5


Mass: 16532.088 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7W3
#39: 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) / Strain: MRE600 / References: UniProt: B7NGD4
#40: 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) / Strain: MRE600 / References: UniProt: B7MCV6
#41: 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) / Strain: MRE600 / References: UniProt: B7MCS1
#42: 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) / Strain: MRE600 / References: UniProt: B7MBZ1
#43: 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) / Strain: MRE600 / References: UniProt: B7MCT6
#44: Protein 30S ribosomal protein S11


Mass: 12388.068 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCR3
#45: Protein 30S ribosomal protein S12


Mass: 13436.703 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCV7
#46: Protein 30S ribosomal protein S13


Mass: 12738.911 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7T1
#47: Protein 30S ribosomal protein S14


Mass: 11546.442 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS2
#48: 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) / Strain: MRE600 / References: UniProt: B7MB86
#49: 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) / Strain: MRE600 / References: UniProt: B7MIU7
#50: 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) / Strain: MRE600 / References: UniProt: B7MCS6
#51: Protein 30S ribosomal protein S18


Mass: 7606.768 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MLK7
#52: 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) / Strain: MRE600 / References: UniProt: B7MCT1
#53: 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) / Strain: MRE600 / References: UniProt: B7MAE3
#54: Protein 30S ribosomal protein S21


Mass: 7763.073 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A8A4M2

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Protein , 1 types, 1 molecules z

#58: Protein Elongation factor Tu 2 / EF-Tu 2


Mass: 43171.246 Da / Num. of mol.: 1 / Mutation: H84A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Production host: Escherichia coli (E. coli) / References: UniProt: A7ZUJ2

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Non-polymers , 6 types, 2656 molecules

#59: Chemical ChemComp-FME / N-FORMYLMETHIONINE


Type: L-peptide linking / Mass: 177.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H11NO3S
#60: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1471 / Source method: obtained synthetically / Formula: Mg
#61: Chemical
ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: K
#62: Chemical ChemComp-PHE / PHENYLALANINE


Type: L-peptide linking / Mass: 165.189 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H11NO2
#63: Chemical ChemComp-GTP / GUANOSINE-5'-TRIPHOSPHATE


Mass: 523.180 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O14P3 / Comment: GTP, energy-carrying molecule*YM
#64: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1175 / Source method: isolated from a natural source / Formula: H2O

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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 ribosome-EF-Tu H84A complex with GTP and near-cognate tRNA (Complex III)
Type: RIBOSOME / Entity ID: #1-#58 / Source: MULTIPLE SOURCES
Source (natural)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5
Buffer component
IDConc.NameFormulaBuffer-ID
11 mMpolymixPM1
25 mMpotassium phosphateKP1
314 mMmagnesium acetateMgOAc1
41.8 mM5'-Guanylyl imidodiphosphateGppNHp1
510 mMphosphoenolpyruvatePEP1
61 mMdithioerythritolDTE1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: 300 nM 70S ribosome in final mixture
Specimen supportDetails: grids were manually coated with gold and the carbon support was removed by glow discharge. gas mixture: 20% hydrogen/80% oxygen power: 15 W
Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 293 K / Details: 5 second blot time, no wait time

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Electron microscopy imaging

Experimental equipment
Model: Tecnai Polara / Image courtesy: FEI Company
MicroscopyModel: FEI POLARA 300
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 39000 X / Calibrated magnification: 51020 X / Nominal defocus max: 3500 nm / Nominal defocus min: 1500 nm / Calibrated defocus min: 300 nm / Calibrated defocus max: 4000 nm / Cs: 2.26 mm / C2 aperture diameter: 30 µm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: OTHER
Image recordingAverage exposure time: 0.2 sec. / Electron dose: 67 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 2843
Image scansSampling size: 5 µm / Width: 3838 / Height: 3710 / Movie frames/image: 40 / Used frames/image: 1-40

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Processing

EM software
IDNameVersionCategoryDetails
1RELION2particle selection
2Leginonimage acquisition
4Gctf0.5CTF correctionused for CTF determination
5RELION2CTF correctionused for CTF correction
8Coot0.88model fitting
10RELION2initial Euler assignment
11RELION2final Euler assignment
12RELION2classification
13RELION23D reconstruction
14REFMAC5.7model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 193521
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 58475 / Algorithm: BACK PROJECTION / Num. of class averages: 1 / Symmetry type: POINT
Atomic model buildingB value: 84 / Protocol: OTHER / Space: RECIPROCAL

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