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- PDB-8g7p: Structure of the Escherichia coli 70S ribosome in complex with EF... -

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Basic information

Entry
Database: PDB / ID: 8g7p
TitleStructure of the Escherichia coli 70S ribosome in complex with EF-Tu and Ile-tRNAIle(LAU) bound to the cognate AUA codon (Structure I)
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 29
  • 16S Ribosomal RNA
  • 23S Ribosomal RNA
  • 5S Ribosomal RNA
  • Elongation factor Tu
  • Isoleucine tRNA
  • M-I mRNA
  • P-site initiator tRNA
  • Ribosomal protein L21
KeywordsRIBOSOME / Elongation factor Tu / lysidine 34 / cryo-EM / tRNA
Function / homology
Function and homology information


negative regulation of cytoplasmic translational initiation / guanosine tetraphosphate binding / stringent response / positive regulation of ribosome biogenesis / translation elongation factor activity / translational termination / DnaA-L2 complex / negative regulation of DNA-templated DNA replication initiation / negative regulation of translational initiation / mRNA regulatory element binding translation repressor activity ...negative regulation of cytoplasmic translational initiation / guanosine tetraphosphate binding / stringent response / positive regulation of ribosome biogenesis / translation elongation factor activity / translational termination / DnaA-L2 complex / negative regulation of DNA-templated DNA replication initiation / negative regulation of translational initiation / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / transcription antitermination / regulation of cell growth / translational initiation / DNA-templated transcription termination / maintenance of translational fidelity / mRNA 5'-UTR binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosome binding / 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 / response to antibiotic / GTPase activity / mRNA binding / GTP binding / RNA binding / zinc ion binding / membrane / 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 / Tr-type G domain, conserved site / Translational (tr)-type guanine nucleotide-binding (G) domain signature. / Translation elongation factor EFTu-like, domain 2 ...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 / 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 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 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. / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S4, bacterial-type / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein L14P, bacterial-type / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L22, bacterial/chloroplast-type
Similarity search - Domain/homology
PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER / ISOLEUCINE / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) ...PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER / ISOLEUCINE / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS18 / Large ribosomal subunit protein bL36 / Small ribosomal subunit protein bS21 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS11 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein bL17 / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein uS13 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL23 / 50S ribosomal protein L15 / Large ribosomal subunit protein bL21 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein bL20 / Small ribosomal subunit protein uS3 / Large ribosomal subunit protein bL34 / Small ribosomal subunit protein bS6 / Large ribosomal subunit protein uL6 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS20 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL25 / Large ribosomal subunit protein bL32 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS15 / Elongation factor Tu / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein bL33 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL31 / Large ribosomal subunit protein bL35 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS5 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL22 / Small ribosomal subunit protein uS19 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL14 / Small ribosomal subunit protein uS14 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein bL19 / Small ribosomal subunit protein uS10 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein bL9
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Escherichia phage T4 (virus)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsRybak, M.Y. / Gagnon, M.G.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM136936 United States
Welch FoundationH-2032-20200401 United States
CitationJournal: Nat Struct Mol Biol / Year: 2024
Title: Structures of the ribosome bound to EF-Tu-isoleucine tRNA elucidate the mechanism of AUG avoidance.
Authors: Mariia Yu Rybak / Matthieu G Gagnon /
Abstract: The frequency of errors upon decoding of messenger RNA by the bacterial ribosome is low, with one misreading event per 1 × 10 codons. In the universal genetic code, the AUN codon box specifies ...The frequency of errors upon decoding of messenger RNA by the bacterial ribosome is low, with one misreading event per 1 × 10 codons. In the universal genetic code, the AUN codon box specifies two amino acids, isoleucine and methionine. In bacteria and archaea, decoding specificity of the AUA and AUG codons relies on the wobble avoidance strategy that requires modification of C34 in the anticodon loop of isoleucine transfer RNA (tRNA). Bacterial tRNA with 2-lysylcytidine (lysidine) at the wobble position deciphers AUA while avoiding AUG. Here we report cryo-electron microscopy structures of the Escherichia coli 70S ribosome complexed with elongation factor thermo unstable (EF-Tu) and isoleucine-tRNA in the process of decoding AUA and AUG. Lysidine in tRNA excludes AUG by promoting the formation of an unusual Hoogsteen purine-pyrimidine nucleobase geometry at the third position of the codon, weakening the interactions with the mRNA and destabilizing the EF-Tu ternary complex. Our findings elucidate the molecular mechanism by which tRNA specifically decodes AUA over AUG.
History
DepositionFeb 16, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 6, 2024Provider: repository / Type: Initial release
Revision 1.1Mar 13, 2024Group: Source and taxonomy / Category: entity_src_gen
Revision 1.2Apr 10, 2024Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / citation_author
Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 ..._chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 / _chem_comp_bond.atom_id_2 / _chem_comp_bond.pdbx_aromatic_flag / _chem_comp_bond.value_order / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.3May 29, 2024Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
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
w: Isoleucine tRNA
x: P-site initiator tRNA
y: Isoleucine tRNA
v: M-I mRNA
z: Elongation factor Tu
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
J: 50S ribosomal protein L11
L: 50S ribosomal protein L13
M: 50S ribosomal protein L14
N: 50S ribosomal protein L15
O: 50S ribosomal protein L16
P: 50S ribosomal protein L17
Q: 50S ribosomal protein L18
R: 50S ribosomal protein L19
S: 50S ribosomal protein L20
T: Ribosomal protein L21
U: 50S ribosomal protein L22
V: 50S ribosomal protein L23
W: 50S ribosomal protein L24
X: 50S ribosomal protein L25
Y: 50S ribosomal protein L27
Z: 50S ribosomal protein L28
1: 50S ribosomal protein L29
2: 50S ribosomal protein L30
3: 50S ribosomal protein L31
4: 50S ribosomal protein L32
5: 50S ribosomal protein L33
6: 50S ribosomal protein L34
7: 50S ribosomal protein L35
8: 50S ribosomal protein L36
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,301,432941
Polymers2,279,14958
Non-polymers22,284883
Water12,899716
1


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

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Components

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RNA chain , 6 types, 7 molecules awyxvAB

#1: RNA chain 16S Ribosomal RNA


Mass: 499873.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: 1758835854
#22: RNA chain Isoleucine tRNA


Mass: 24884.094 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Details: Aminoacylated isoleucine-tRNA / Source: (gene. exp.) Escherichia coli (E. coli) / Strain: MRE600 / Plasmid: pBSTNAV-tRNAIle / Production host: Escherichia coli HB101 (bacteria)
#23: RNA chain P-site initiator tRNA


Mass: 24846.902 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: Deacylated Initiator Methionyl-tRNA / Source: (gene. exp.) Escherichia coli (E. coli) / Strain: MRE600 / Plasmid: pBS-tRNAfMet / Production host: Escherichia coli HB101 (bacteria) / References: GenBank: 732678099
#24: RNA chain M-I mRNA


Mass: 8878.456 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: Synthetic 27-nt M-I mRNA / Source: (synth.) Escherichia phage T4 (virus)
#26: RNA chain 23S Ribosomal RNA


Mass: 941811.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600
#27: RNA chain 5S Ribosomal RNA


Mass: 38814.113 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: GenBank: 1817378070

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

#2: Protein 30S ribosomal protein S2


Mass: 26795.695 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: J7QM75
#3: Protein 30S ribosomal protein S3


Mass: 26031.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCS9
#4: Protein 30S ribosomal protein S4


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7V8
#5: Protein 30S ribosomal protein S5


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7W1
#6: Protein 30S ribosomal protein S6


Mass: 15211.058 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: C3SFQ7
#7: Protein 30S ribosomal protein S7 / Small ribosomal subunit protein uS7


Mass: 17637.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P02359
#8: Protein 30S ribosomal protein S8


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7XKZ3
#9: Protein 30S ribosomal protein S9


Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A1X3LT86
#10: Protein 30S ribosomal protein S10


Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: V0ANK5
#11: Protein 30S ribosomal protein S11


Mass: 13871.959 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A0H3PWX2
#12: Protein 30S ribosomal protein S12


Mass: 13814.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A0F1AUC4
#13: Protein 30S ribosomal protein S13


Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A7U9IV78
#14: Protein 30S ribosomal protein S14


Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: U9Y6H3
#15: Protein 30S ribosomal protein S15


Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D8EB41
#16: Protein 30S ribosomal protein S16


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: C3SYP2
#17: Protein 30S ribosomal protein S17


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A8E0MHL6
#18: Protein 30S ribosomal protein S18


Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A0E2KXL3
#19: Protein 30S ribosomal protein S19


Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: S1EA57
#20: Protein 30S ribosomal protein S20


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: C3TRH7
#21: Protein 30S ribosomal protein S21


Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A0E2L2J1

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Protein , 2 types, 2 molecules zT

#25: Protein Elongation factor Tu / EF-Tu


Mass: 43152.219 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: Elongation factor Tu / Source: (gene. exp.) Escherichia coli (E. coli) / Strain: MRE600
Gene: tufA_2, tuf, tufA, tufA_1, tufA_3, tufA_4, tufB, tufB_1, tufB_2, A5U30_004581, A9X72_23960, AAS29_002155, AAS29_004093, ACN68_05365, AM464_13225, AT845_003992, AWP47_16755, B6R15_000408, BANRA_ ...Gene: tufA_2, tuf, tufA, tufA_1, tufA_3, tufA_4, tufB, tufB_1, tufB_2, A5U30_004581, A9X72_23960, AAS29_002155, AAS29_004093, ACN68_05365, AM464_13225, AT845_003992, AWP47_16755, B6R15_000408, BANRA_00548, BANRA_05052, BG944_004744, BGM66_002194, BJJ90_25160, BLM69_004391, BMT49_21045, BMT50_08130, BMT91_03325, BTQ06_27310, BvCmsKKP036_03588, BVL39_05405, BZL69_05770, C0P57_003010, C3F40_15505, C9E67_28700, CA593_06065, CCV12_004444, CDC27_21515, CO706_19465, CR538_24255, CR539_01630, CR628_004228, CV83915_02073, CY655_25255, D1H34_004550, D3Y67_20900, D9E49_24235, DAH19_24560, DAH21_23365, DAH22_22865, DAH27_25225, DAH28_23840, DAH32_23225, DAH33_24610, DAH34_21600, DAH37_22525, DAH38_23185, DAH40_23380, DAH41_23505, DAH42_24340, DAH43_24835, DAH45_24780, DAH46_24615, DAH47_25180, DAH48_24880, DAH49_24790, DNQ45_05140, DS732_01505, DU321_23465, E3N34_20940, E5P27_19115, E5P28_08865, E5P29_14360, EC95NR1_03445, EKI52_13985, EL79_4415, ELT25_22120, ELU85_23630, ELU98_01540, ELV02_23595, ELV12_15580, ExPECSC038_04335, FA849_13360, FA849_22895, FE584_21060, FE587_22575, FEL34_21300, FHO90_24295, FOI11_015750, FOI11_24390, FZN31_22945, FZU14_22815, G9448_13515, GAJ12_23515, GJ11_25160, H0O37_04690, H6Y26_004587, HV109_22460, HV146_01010, HV146_21790, HV209_21230, HVV39_13100, HVW04_13870, HVW43_15020, HVX31_01850, HVX31_19145, HVX32_01070, HVX32_19165, HVY77_24410, HVZ29_01065, HVZ29_19215, HVZ30_01935, HVZ30_19855, HVZ71_23905, HX136_23675, I6H00_17205, I6H01_14295, I6H02_15680, JE86ST02C_45170, JE86ST05C_45270, JFD_05085, JNP96_01240, NCTC10082_02089, NCTC10089_04881, NCTC10418_07157, NCTC10764_02980, NCTC10767_00724, NCTC10865_05903, NCTC11112_02273, NCTC11126_05444, NCTC11181_01973, NCTC11341_02766, NCTC12950_05222, NCTC13127_06172, NCTC13148_04399, NCTC13216_02099, NCTC4450_01743, NCTC7927_05257, NCTC7928_03622, NCTC8333_05566, NCTC8500_05333, NCTC8621_04880, NCTC8959_04056, NCTC8960_02348, NCTC9036_04657, NCTC9037_04790, NCTC9044_02296, NCTC9045_05550, NCTC9073_00863, NCTC9075_06435, NCTC9077_05944, NCTC9111_04963, NCTC9117_05912, NCTC9702_05647, NCTC9706_02011, NCTC9775_03134, NCTC9777_01126, RG28_25305, SAMEA3472044_04882, SAMEA3751407_05016, SAMEA3752557_04835, SAMEA3753106_04223, TUM18780_41760, WP4S18E07_42760
Plasmid: pET21a-EF-Tu / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: E2QJ06
#43: Protein Ribosomal protein L21


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A829CSJ4

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50S ribosomal protein ... , 29 types, 29 molecules CDEFGHJLMNOPQRSUVWXYZ12345678

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


Mass: 29923.619 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P60422
#29: Protein 50S ribosomal protein L3


Mass: 22291.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: U9Y9G2
#30: Protein 50S ribosomal protein L4


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A1AGK6
#31: Protein 50S ribosomal protein L5


Mass: 20333.611 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A829CFT8
#32: Protein 50S ribosomal protein L6


Mass: 18932.791 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: C3SR17
#33: Protein 50S ribosomal protein L9


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: V0YZK9
#34: Protein 50S ribosomal protein L11 / Large ribosomal subunit protein uL11


Mass: 14894.362 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7J7
#35: Protein 50S ribosomal protein L13


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: S1EW51
#36: Protein 50S ribosomal protein L14


Mass: 13565.067 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: S1NW45
#37: Protein 50S ribosomal protein L15


Mass: 14994.443 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A829CJY0
#38: Protein 50S ribosomal protein L16


Mass: 15329.343 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: E6BI61
#39: Protein 50S ribosomal protein L17


Mass: 14393.657 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A1X3LC97
#40: Protein 50S ribosomal protein L18


Mass: 12794.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: E3PKY8
#41: Protein 50S ribosomal protein L19


Mass: 13159.278 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: V0AJX1
#42: Protein 50S ribosomal protein L20


Mass: 13528.024 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MAS6
#44: 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) / Strain: MRE600 / References: UniProt: P61175
#45: Protein 50S ribosomal protein L23


Mass: 11222.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A829CFV1
#46: Protein 50S ribosomal protein L24


Mass: 11339.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A1X3KWX7
#47: Protein 50S ribosomal protein L25


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7XH79
#48: Protein 50S ribosomal protein L27 / Large ribosomal subunit protein bL27


Mass: 9146.540 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7L8
#49: Protein 50S ribosomal protein L28


Mass: 9027.551 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A1X3JA73
#50: Protein 50S ribosomal protein L29


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D6IEL0
#51: Protein 50S ribosomal protein L30


Mass: 6554.820 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: V0YKA9
#52: Protein 50S ribosomal protein L31 / Large ribosomal subunit protein bL31-A


Mass: 7887.117 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7M9
#53: Protein 50S ribosomal protein L32


Mass: 6463.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7XI28
#54: Protein 50S ribosomal protein L33


Mass: 6388.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: F4NQ61
#55: Protein/peptide 50S ribosomal protein L34


Mass: 5397.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MGC4
#56: Protein 50S ribosomal protein L35 / Large ribosomal subunit protein bL35 / Ribosomal protein A


Mass: 7313.032 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: P0A7Q1
#57: Protein/peptide 50S ribosomal protein L36


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: A0A0E2L017

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Non-polymers , 6 types, 1599 molecules

#58: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 876 / Source method: obtained synthetically / Formula: Mg
#59: Chemical ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: K
#60: Chemical ChemComp-ILE / ISOLEUCINE


Type: L-peptide linking / Mass: 131.173 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C6H13NO2 / Feature type: SUBJECT OF INVESTIGATION
#61: 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
#62: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#63: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 716 / Source method: isolated from a natural source / Formula: H2O

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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: Structure of the Escherichia coli 70S ribosome in complex with EF-Tu and Ile-tRNAIle(LAU) bound to the cognate AUA codon (Structure I)
Type: RIBOSOME / Entity ID: #1-#57 / Source: NATURAL
Molecular weightValue: 2.6 MDa / Experimental value: NO
Source (natural)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 200 divisions/in. / Grid type: Quantifoil R2/1
VitrificationInstrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 85 % / Chamber temperature: 295 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 96000 X / Nominal defocus max: 2300 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 1 sec. / Electron dose: 40 e/Å2 / Detector mode: INTEGRATING / Film or detector model: FEI FALCON III (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 10381

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Processing

EM software
IDNameVersionCategory
4cryoSPARC3.3.2CTF correction
7UCSF Chimera1.14model fitting
9cryoSPARC3.3.2initial Euler assignment
10cryoSPARC3.3.2final Euler assignment
11cryoSPARC3.3.2classification
12cryoSPARC3.3.23D reconstruction
13PHENIX1.19.2_4158model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 135882 / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT / Space: REAL
Atomic model building
IDPDB-ID 3D fitting-IDAccession codeInitial refinement model-IDSource nameType
17K00

7k00

17K001PDBexperimental model
25UYM

5uym

15UYM2PDBexperimental model
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.003163321
ELECTRON MICROSCOPYf_angle_d0.629244126
ELECTRON MICROSCOPYf_dihedral_angle_d14.10864165
ELECTRON MICROSCOPYf_chiral_restr0.03931137
ELECTRON MICROSCOPYf_plane_restr0.00513144

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