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- PDB-8zfg: Structure of the Bacterial Ribosome with hypoxia-induced rRNA mod... -

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Basic information

Entry
Database: PDB / ID: 8zfg
TitleStructure of the Bacterial Ribosome with hypoxia-induced rRNA modifications
Components
  • (Large ribosomal subunit protein ...) x 29
  • (Small ribosomal subunit protein ...) x 20
  • 16S rRNA
  • 23S rRNA
  • 5S rRNA
  • P-site tRNA-fMet
  • mRNA
KeywordsRIBOSOME / rRNA modifications / translation
Function / homology
Function and homology information


negative regulation of cytoplasmic translational initiation / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / positive regulation of ribosome biogenesis / RNA-binding transcription regulator activity ...negative regulation of cytoplasmic translational initiation / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / positive regulation of ribosome biogenesis / RNA-binding transcription regulator activity / negative regulation of cytoplasmic translation / four-way junction DNA binding / DnaA-L2 complex / translation repressor activity / negative regulation of translational initiation / regulation of mRNA stability / negative regulation of DNA-templated DNA replication initiation / mRNA regulatory element binding translation repressor activity / assembly of large subunit precursor of preribosome / positive regulation of RNA splicing / cytosolic ribosome assembly / regulation of DNA-templated transcription elongation / response to reactive oxygen species / ribosome assembly / transcription elongation factor complex / DNA endonuclease activity / transcription antitermination / translational initiation / regulation of cell growth / DNA-templated transcription termination / response to radiation / maintenance of translational fidelity / mRNA 5'-UTR binding / ribosome biogenesis / large ribosomal subunit / regulation of translation / ribosome binding / transferase activity / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / ribosomal large subunit assembly / small ribosomal subunit rRNA binding / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / structural constituent of ribosome / ribosome / translation / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / DNA binding / RNA binding / zinc ion binding / membrane / cytoplasm / cytosol
Similarity search - Function
Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L31 type A / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein L31 signature. ...Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L31 type A / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein S21 / Ribosomal protein L16 signature 1. / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L16 signature 2. / Ribosomal protein L16, conserved site / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / 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 L36 signature. / Ribosomal protein L32p, bacterial type / 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 L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L28 / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L18, bacterial-type / : / Ribosomal protein L6, bacterial-type / Ribosomal protein S3, bacterial-type / Ribosomal protein S19, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein L5, bacterial-type / Ribosomal protein L36 / Ribosomal protein S4, bacterial-type / Ribosomal protein L36 superfamily / Ribosomal protein L36 / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L20 signature. / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L14P, bacterial-type / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L33 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L33 / Ribosomal L28 family / Ribosomal protein L33 superfamily / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L16 / Ribosomal protein L28/L24 / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / Ribosomal protein S16 / Ribosomal protein L30, bacterial-type / Ribosomal protein S16 domain superfamily / Ribosomal protein S16 / L28p-like / : / Ribosomal protein S15, bacterial-type
Similarity search - Domain/homology
: / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 ...: / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein 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 bL31 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL36A / Large ribosomal subunit protein bL9 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL23 / Small ribosomal subunit protein uS15 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL6 / Small ribosomal subunit protein uS14 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL5 / Small ribosomal subunit protein bS21 / Large ribosomal subunit protein bL25
Similarity search - Component
Biological speciesEscherichia coli BW25113 (bacteria)
Escherichia phage T4 (virus)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.68 Å
AuthorsIshiguro, K. / Yokoyama, T. / Shirouzu, M. / Ito, T. / Suzuki, T.
Funding support Japan, 3items
OrganizationGrant numberCountry
Ministry of Education, Culture, Sports, Science and Technology (Japan) Japan
Japan Society for the Promotion of Science (JSPS)26113003, 26220205 and 18H05272 Japan
Japan Science and TechnologyJPMJER2002 Japan
CitationJournal: To Be Published
Title: Novel rRNA methylations regulate translational efficiency of the ribosomes in response to oxygen condition
Authors: Ishiguro, K. / Midorikawa, K. / Miyauchi, K. / Kimura, S. / Shigi, N. / Yokoyama, T. / Shirouzu, M. / Liiv, A. / Remme, J. / Ito, T. / Suzuki, T.
History
DepositionMay 7, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Nov 12, 2025Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Additional map / Part number: 1 / Data content type: Additional map / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Nov 12, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 16S rRNA
B: Small ribosomal subunit protein uS2
C: Small ribosomal subunit protein uS3
D: Small ribosomal subunit protein uS4
E: Small ribosomal subunit protein uS5
F: Small ribosomal subunit protein bS6, fully modified isoform
G: Small ribosomal subunit protein uS7
H: Small ribosomal subunit protein uS8
I: Small ribosomal subunit protein uS9
J: Small ribosomal subunit protein uS10
K: Small ribosomal subunit protein uS11
L: Small ribosomal subunit protein uS12
M: Small ribosomal subunit protein uS13
N: Small ribosomal subunit protein uS14
O: Small ribosomal subunit protein uS15
P: Small ribosomal subunit protein bS16
Q: Small ribosomal subunit protein uS17
R: Small ribosomal subunit protein bS18
S: Small ribosomal subunit protein uS19
T: Small ribosomal subunit protein bS20
U: Small ribosomal subunit protein bS21
a: 23S rRNA
b: 5S rRNA
c: Large ribosomal subunit protein uL2
d: Large ribosomal subunit protein uL3
e: Large ribosomal subunit protein uL4
f: Large ribosomal subunit protein uL5
g: Large ribosomal subunit protein uL6
h: Large ribosomal subunit protein bL9
i: Large ribosomal subunit protein uL13
j: Large ribosomal subunit protein uL14
k: Large ribosomal subunit protein uL15
l: Large ribosomal subunit protein uL16
m: Large ribosomal subunit protein bL17
n: Large ribosomal subunit protein uL18
o: Large ribosomal subunit protein bL19
p: Large ribosomal subunit protein bL20
q: Large ribosomal subunit protein bL21
r: Large ribosomal subunit protein uL22
s: Large ribosomal subunit protein uL23
t: Large ribosomal subunit protein uL24
u: Large ribosomal subunit protein bL25
v: Large ribosomal subunit protein bL27
w: Large ribosomal subunit protein bL28
x: Large ribosomal subunit protein uL29
y: Large ribosomal subunit protein uL30
z: Large ribosomal subunit protein bL32
0: Large ribosomal subunit protein bL33
1: Large ribosomal subunit protein bL34
2: Large ribosomal subunit protein bL35
3: Large ribosomal subunit protein bL36A
4: Large ribosomal subunit protein bL31
X: mRNA
Z: P-site tRNA-fMet
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,198,059525
Polymers2,186,61154
Non-polymers11,448471
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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RNA chain , 5 types, 5 molecules AabXZ

#1: RNA chain 16S rRNA


Mass: 499873.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 1789840096
#22: RNA chain 23S rRNA


Mass: 941855.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria)
#23: RNA chain 5S rRNA


Mass: 38790.090 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 1815787944
#53: RNA chain mRNA


Mass: 21199.773 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia phage T4 (virus)
#54: RNA chain P-site tRNA-fMet


Mass: 24832.918 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 802133627

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Small ribosomal subunit protein ... , 20 types, 20 molecules BCDEFGHIJKLMNOPQRSTU

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


Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7V0
#3: Protein Small ribosomal subunit protein uS3 / 30S ribosomal protein S3


Mass: 26031.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7V3
#4: Protein Small ribosomal subunit protein uS4 / 30S ribosomal protein S4


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7V8
#5: Protein Small ribosomal subunit protein uS5 / 30S ribosomal protein S5


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7W1
#6: Protein Small ribosomal subunit protein bS6, fully modified isoform


Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P02358
#7: Protein Small ribosomal subunit protein uS7 / 30S ribosomal protein S7


Mass: 20055.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P02359
#8: Protein Small ribosomal subunit protein uS8 / 30S ribosomal protein S8


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7W7
#9: Protein Small ribosomal subunit protein uS9 / 30S ribosomal protein S9


Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7X3
#10: Protein Small ribosomal subunit protein uS10 / 30S ribosomal protein S10 / Transcription termination/antitermination protein NusE


Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7R5
#11: Protein Small ribosomal subunit protein uS11 / 30S ribosomal protein S11


Mass: 13871.959 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7R9
#12: Protein Small ribosomal subunit protein uS12 / 30S ribosomal protein S12


Mass: 13814.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7S3
#13: Protein Small ribosomal subunit protein uS13 / 30S ribosomal protein S13


Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7S9
#14: Protein Small ribosomal subunit protein uS14 / 30S ribosomal protein S14


Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG59
#15: Protein Small ribosomal subunit protein uS15 / 30S ribosomal protein S15


Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0ADZ4
#16: Protein Small ribosomal subunit protein bS16 / 30S ribosomal protein S16


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7T3
#17: Protein Small ribosomal subunit protein uS17 / 30S ribosomal protein S17


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG63
#18: Protein Small ribosomal subunit protein bS18 / 30S ribosomal protein S18


Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7T7
#19: Protein Small ribosomal subunit protein uS19 / 30S ribosomal protein S19


Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7U3
#20: Protein Small ribosomal subunit protein bS20 / 30S ribosomal protein S20


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7U7
#21: Protein Small ribosomal subunit protein bS21 / 30S ribosomal protein S21


Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P68679

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Large ribosomal subunit protein ... , 29 types, 29 molecules cdefghijklmnopqrstuvwxyz01234

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


Mass: 29923.619 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P60422
#25: Protein Large ribosomal subunit protein uL3 / 50S ribosomal protein L3


Mass: 22291.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P60438
#26: Protein Large ribosomal subunit protein uL4 / 50S ribosomal protein L4


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P60723
#27: Protein Large ribosomal subunit protein uL5 / 50S ribosomal protein L5


Mass: 20333.611 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P62399
#28: Protein Large ribosomal subunit protein uL6 / 50S ribosomal protein L6


Mass: 18932.791 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG55
#29: Protein Large ribosomal subunit protein bL9 / 50S ribosomal protein L9


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7R1
#30: Protein Large ribosomal subunit protein uL13 / 50S ribosomal protein L13


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AA10
#31: Protein Large ribosomal subunit protein uL14 / 50S ribosomal protein L14


Mass: 13565.067 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0ADY3
#32: Protein Large ribosomal subunit protein uL15 / 50S ribosomal protein L15


Mass: 15008.471 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P02413
#33: Protein Large ribosomal subunit protein uL16 / 50S ribosomal protein L16


Mass: 15345.343 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0ADY7
#34: Protein Large ribosomal subunit protein bL17 / 50S ribosomal protein L17


Mass: 14393.657 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG44
#35: Protein Large ribosomal subunit protein uL18 / 50S ribosomal protein L18


Mass: 12794.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0C018
#36: Protein Large ribosomal subunit protein bL19 / 50S ribosomal protein L19


Mass: 13159.278 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7K6
#37: Protein Large ribosomal subunit protein bL20 / 50S ribosomal protein L20


Mass: 13528.024 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7L3
#38: Protein Large ribosomal subunit protein bL21 / 50S ribosomal protein L21


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG48
#39: Protein Large ribosomal subunit protein uL22 / 50S ribosomal protein L22


Mass: 12253.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P61175
#40: Protein Large ribosomal subunit protein uL23 / 50S ribosomal protein L23


Mass: 11222.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0ADZ0
#41: Protein Large ribosomal subunit protein uL24 / 50S ribosomal protein L24


Mass: 11339.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P60624
#42: Protein Large ribosomal subunit protein bL25 / 50S ribosomal protein L25


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P68919
#43: Protein Large ribosomal subunit protein bL27 / 50S ribosomal protein L27


Mass: 9146.540 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7L8
#44: Protein Large ribosomal subunit protein bL28 / 50S ribosomal protein L28


Mass: 9027.551 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7M2
#45: Protein Large ribosomal subunit protein uL29 / 50S ribosomal protein L29


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7M6
#46: Protein Large ribosomal subunit protein uL30 / 50S ribosomal protein L30


Mass: 6554.820 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0AG51
#47: Protein Large ribosomal subunit protein bL32 / 50S ribosomal protein L32


Mass: 6463.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7N4
#48: Protein Large ribosomal subunit protein bL33 / 50S ribosomal protein L33


Mass: 6388.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7N9
#49: Protein/peptide Large ribosomal subunit protein bL34 / 50S ribosomal protein L34


Mass: 5397.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7P5
#50: Protein Large ribosomal subunit protein bL35 / 50S ribosomal protein L35 / Ribosomal protein A


Mass: 7313.032 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7Q1
#51: Protein/peptide Large ribosomal subunit protein bL36A / 50S ribosomal protein L36 / Ribosomal protein B


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7Q6
#52: Protein Large ribosomal subunit protein bL31 / 50S ribosomal protein L31


Mass: 7887.117 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7M9

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Non-polymers , 1 types, 471 molecules

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


Mass: 24.305 Da / Num. of mol.: 471 / Source method: obtained synthetically / Formula: Mg

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Details

Has ligand of interestY
Has protein modificationY

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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

Component
IDNameTypeDetailsEntity IDParent-IDSource
1The complex of E. coli 70S ribosome with mRNA and P-site tRNACOMPLEXE. coli 70S ribosome with hypoxia-induced rRNA modifications was incubated with mRNA and E.coli tRNA-fMet#1-#540MULTIPLE SOURCES
2E. coli 70S ribosomeRIBOSOMEE. coli 70S ribosome was purified from anaerobically grown WT cells#1-#521NATURAL
3mRNA and P-site tRNACOMPLEX#53-#541MULTIPLE SOURCES
Molecular weight
IDEntity assembly-IDExperimental value
11NO
21NO
Source (natural)Organism: Escherichia coli BW25113 (bacteria)
Buffer solutionpH: 7.6 / Details: The Buffer pH was adjusted to 7.6 using KOH.
Buffer component
IDConc.NameFormulaBuffer-ID
120 mMHEPES, 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acidC8H18N2O4S1
210 mMMagnesium acetateMg(C2H3O2)21
3100 mMAmmonium chlorideNH4Cl1
46 mM2-mercaptoethanolC2H6OS1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Details: 50nM ribosomes were incubated with 250nM tRNA and mRNA
Specimen supportGrid material: COPPER / 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: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 105000 X / Nominal defocus max: 2500 nm / Nominal defocus min: 500 nm
Image recordingElectron dose: 40 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 5652

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Processing

EM software
IDNameVersionCategory
4RELION3.1.3CTF correction
7UCSF Chimera1.14model fitting
8Coot0.9.5model fitting
10RELION3.1.3initial Euler assignment
11RELION3.1.3final Euler assignment
12RELION3.1.3classification
13RELION3.1.33D reconstruction
14PHENIX1.18model refinement
15Coot0.9.5model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 452266
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 2.68 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 174805 / Num. of class averages: 4 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT
Atomic model buildingPDB-ID: 7K00

7k00


Accession code: 7K00 / Source name: PDB / Type: experimental model
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 72.24 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0097151987
ELECTRON MICROSCOPYf_angle_d0.6893227342
ELECTRON MICROSCOPYf_chiral_restr0.045728990
ELECTRON MICROSCOPYf_plane_restr0.004612158
ELECTRON MICROSCOPYf_dihedral_angle_d15.663259709

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