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- PDB-8qbt: E. coli ApdP-stalled ribosomal complex -

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Basic information

Entry
Database: PDB / ID: 8qbt
TitleE. coli ApdP-stalled ribosomal complex
Components
  • (30S ribosomal protein ...) x 6
  • (50S ribosomal protein ...) x 4
  • (Large ribosomal subunit protein ...) x 24
  • (Small ribosomal subunit protein ...) x 10
  • 16S rRNA
  • 23S rRNA
  • 5S rRNA
  • Ala-tRNA
  • ApdP nascent chain
  • Pro-tRNA
  • mRNA
KeywordsRIBOSOME / Stalling / nascent chain / translation arrest / regulation
Function / homology
Function and homology information


ornithine decarboxylase inhibitor activity / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability ...ornithine decarboxylase inhibitor activity / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / DnaA-L2 complex / translation repressor activity / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / mRNA regulatory element binding translation repressor activity / ribosome assembly / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / response to reactive oxygen species / regulation of cell growth / DNA-templated transcription termination / maintenance of translational fidelity / response to radiation / mRNA 5'-UTR binding / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosome binding / regulation of translation / 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 / molecular adaptor activity / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / translation / response to antibiotic / negative regulation of DNA-templated transcription / mRNA binding / DNA binding / RNA binding / zinc ion binding / membrane / cytosol / cytoplasm
Similarity search - Function
Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S21 / : / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. ...Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S21 / : / Ribosomal protein L21, conserved site / Ribosomal protein L21 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 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 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 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. / 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 / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L34, conserved site / Ribosomal L28 family / Ribosomal protein L34 signature. / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal protein L28/L24 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L33 superfamily / Ribosomal protein L30, bacterial-type / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / Ribosomal protein L16 / : / L28p-like / Ribosomal protein L20 / Ribosomal protein S15, bacterial-type / Ribosomal protein L20 / Ribosomal protein L20, C-terminal / Ribosomal protein L21 / Ribosomal protein L27 / Ribosomal L27 protein / Ribosomal protein L19 / Ribosomal protein L19 / Ribosomal protein S6 / Ribosomal protein S6 / Ribosomal protein L19 superfamily / Ribosomal proteins 50S L24/mitochondrial 39S L24
Similarity search - Domain/homology
: / PROLINE / : / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) ...: / PROLINE / : / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS12 / Large ribosomal subunit protein uL3 / : / 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 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 uS13 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS2 / 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 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 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 speciesSinorhizobium medicae (bacteria)
Escherichia coli BW25113 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.2 Å
AuthorsMorici, M. / Wilson, D.N.
Funding support Germany, 1items
OrganizationGrant numberCountry
German Research Foundation (DFG) Germany
CitationJournal: Nat Commun / Year: 2024
Title: RAPP-containing arrest peptides induce translational stalling by short circuiting the ribosomal peptidyltransferase activity.
Authors: Martino Morici / Sara Gabrielli / Keigo Fujiwara / Helge Paternoga / Bertrand Beckert / Lars V Bock / Shinobu Chiba / Daniel N Wilson /
Abstract: Arrest peptides containing RAPP (ArgAlaProPro) motifs have been discovered in both Gram-positive and Gram-negative bacteria, where they are thought to regulate expression of important protein ...Arrest peptides containing RAPP (ArgAlaProPro) motifs have been discovered in both Gram-positive and Gram-negative bacteria, where they are thought to regulate expression of important protein localization machinery components. Here we determine cryo-EM structures of ribosomes stalled on RAPP arrest motifs in both Bacillus subtilis and Escherichia coli. Together with molecular dynamics simulations, our structures reveal that the RAPP motifs allow full accommodation of the A-site tRNA, but prevent the subsequent peptide bond from forming. Our data support a model where the RAP in the P-site interacts and stabilizes a single hydrogen atom on the Pro-tRNA in the A-site, thereby preventing an optimal geometry for the nucleophilic attack required for peptide bond formation to occur. This mechanism to short circuit the ribosomal peptidyltransferase activity is likely to operate for the majority of other RAPP-like arrest peptides found across diverse bacterial phylogenies.
History
DepositionAug 25, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 20, 2024Provider: repository / Type: Initial release
Revision 1.1Apr 3, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Oct 23, 2024Group: Data collection / Structure summary
Category: em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _em_admin.last_update / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 23S rRNA
B: 5S rRNA
C: Large ribosomal subunit protein uL2
D: 50S ribosomal protein L3
E: Large ribosomal subunit protein uL4
F: Large ribosomal subunit protein uL5
G: Large ribosomal subunit protein uL6
H: Large ribosomal subunit protein bL9
J: Large ribosomal subunit protein uL13
K: Large ribosomal subunit protein uL14
L: 50S ribosomal protein L15
M: 50S ribosomal protein L16
N: Large ribosomal subunit protein bL17
O: Large ribosomal subunit protein uL18
P: Large ribosomal subunit protein bL19
Q: Large ribosomal subunit protein bL20
R: Large ribosomal subunit protein bL21
S: Large ribosomal subunit protein uL22
T: Large ribosomal subunit protein uL23
U: Large ribosomal subunit protein uL24
V: 50S ribosomal protein L25
W: Large ribosomal subunit protein bL27
X: Large ribosomal subunit protein bL28
Y: Large ribosomal subunit protein uL29
Z: Large ribosomal subunit protein uL30
a: Large ribosomal subunit protein bL32
b: Large ribosomal subunit protein bL33
c: Large ribosomal subunit protein bL34
d: Large ribosomal subunit protein bL35
i: 16S rRNA
j: 30S ribosomal protein S2
m: Small ribosomal subunit protein uS5
n: 30S ribosomal protein S6, fully modified isoform
o: 30S ribosomal protein S7
p: Small ribosomal subunit protein uS8
q: Small ribosomal subunit protein uS9
s: 30S ribosomal protein S11
t: 30S ribosomal protein S12
u: Small ribosomal subunit protein uS13
v: Small ribosomal subunit protein uS14
w: Small ribosomal subunit protein uS15
y: Small ribosomal subunit protein uS17
z: Small ribosomal subunit protein bS18
1: Small ribosomal subunit protein uS19
2: 30S ribosomal protein S20
3: Small ribosomal subunit protein bS21
4: mRNA
5: Pro-tRNA
6: Pro-tRNA
7: Ala-tRNA
e: Large ribosomal subunit protein bL36A
f: ApdP nascent chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,149,990429
Polymers2,138,81652
Non-polymers11,174377
Water22,3211239
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area297730 Å2
ΔGint-4556 kcal/mol
Surface area743140 Å2

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Components

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RNA chain , 6 types, 7 molecules ABi4567

#1: RNA chain 23S rRNA


Mass: 941320.188 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 991970073
#2: 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: 1845258627
#30: RNA chain 16S rRNA


Mass: 499054.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 1789840096
#47: RNA chain mRNA


Mass: 3190.981 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sinorhizobium medicae (bacteria) / Production host: Escherichia coli BW25113 (bacteria)
#48: RNA chain Pro-tRNA


Mass: 24862.746 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 1848934315
#49: RNA chain Ala-tRNA


Mass: 24476.531 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: GenBank: 1847302804

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Large ribosomal subunit protein ... , 24 types, 24 molecules CEFGHJKNOPQRSTUWXYZabcde

#3: 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
#5: 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
#6: 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
#7: 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
#8: 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
#9: 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
#10: 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
#13: 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
#14: 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
#15: 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
#16: 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
#17: 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
#18: 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
#19: 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
#20: 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
#22: 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
#23: 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
#24: 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
#25: 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
#26: 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
#27: 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
#28: 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
#29: 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
#50: 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

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50S ribosomal protein ... , 4 types, 4 molecules DLMV

#4: Protein 50S ribosomal protein L3


Mass: 22277.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: C3SQU2
#11: Protein 50S ribosomal protein L15 / Large ribosomal subunit protein uL15


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


Mass: 15312.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: A0A0H3EMH6
#21: Protein 50S ribosomal protein L25 / Large ribosomal subunit protein bL25


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P68919

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30S ribosomal protein ... , 6 types, 6 molecules jnost2

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


Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7V0
#33: Protein 30S ribosomal protein S6, 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
#34: Protein 30S ribosomal protein S7 / Small ribosomal subunit protein uS7


Mass: 20055.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P02359
#37: Protein 30S ribosomal protein S11


Mass: 13870.975 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: D7Y3B9
#38: Protein 30S ribosomal protein S12


Mass: 13768.157 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: A0A0K0HEP7
#45: Protein 30S ribosomal protein S20 / Small ribosomal subunit protein bS20


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli BW25113 (bacteria) / References: UniProt: P0A7U7

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Small ribosomal subunit protein ... , 10 types, 10 molecules mpquvwyz13

#32: 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
#35: 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
#36: 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
#39: 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
#40: 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
#41: 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
#42: 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
#43: 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
#44: 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
#46: 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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Protein/peptide , 1 types, 1 molecules f

#51: Protein/peptide ApdP nascent chain


Mass: 688.882 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sinorhizobium medicae (bacteria) / Production host: Escherichia coli BW25113 (bacteria)

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Non-polymers , 5 types, 1616 molecules

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


Mass: 24.305 Da / Num. of mol.: 248 / Source method: obtained synthetically / Formula: Mg
#53: Chemical...
ChemComp-K / POTASSIUM ION


Mass: 39.098 Da / Num. of mol.: 127 / Source method: obtained synthetically / Formula: K
#54: Chemical ChemComp-PRO / PROLINE


Type: L-peptide linking / Mass: 115.130 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C5H9NO2
#55: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#56: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1239 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN
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

ComponentName: E. coli ApdP-stalled ribosomal complex / Type: RIBOSOME / Entity ID: #1-#51 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Sinorhizobium medicae (bacteria)
Source (recombinant)Organism: Escherichia coli BW25113 (bacteria)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE-PROPANE

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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 defocus max: 1800 nm / Nominal defocus min: 600 nm
Image recordingElectron dose: 75.6 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: REFMAC / Version: 5.8.0405 / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 205838 / Symmetry type: POINT
RefinementResolution: 2.2→273.88 Å / Cor.coef. Fo:Fc: 0.904 / SU B: 4.825 / SU ML: 0.109 / ESU R: 0.131
Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflection
Rwork0.25976 --
obs0.25976 3255382 100 %
Solvent computationSolvent model: PARAMETERS FOR MASK CACLULATION
Displacement parametersBiso mean: 77.934 Å2
Refinement stepCycle: 1 / Total: 141132
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
ELECTRON MICROSCOPYr_bond_refined_d0.0060.011152987
ELECTRON MICROSCOPYr_bond_other_d0.0010.01885563
ELECTRON MICROSCOPYr_angle_refined_deg1.4411.8229003
ELECTRON MICROSCOPYr_angle_other_deg0.571.627202343
ELECTRON MICROSCOPYr_dihedral_angle_1_deg7.1254794
ELECTRON MICROSCOPYr_dihedral_angle_2_deg9.0645.011463
ELECTRON MICROSCOPYr_dihedral_angle_3_deg14.318107387
ELECTRON MICROSCOPYr_dihedral_angle_4_deg
ELECTRON MICROSCOPYr_chiral_restr0.0610.234170
ELECTRON MICROSCOPYr_gen_planes_refined0.0110.02102658
ELECTRON MICROSCOPYr_gen_planes_other0.0020.0227123
ELECTRON MICROSCOPYr_nbd_refined
ELECTRON MICROSCOPYr_nbd_other
ELECTRON MICROSCOPYr_nbtor_refined
ELECTRON MICROSCOPYr_nbtor_other
ELECTRON MICROSCOPYr_xyhbond_nbd_refined
ELECTRON MICROSCOPYr_xyhbond_nbd_other
ELECTRON MICROSCOPYr_metal_ion_refined
ELECTRON MICROSCOPYr_metal_ion_other
ELECTRON MICROSCOPYr_symmetry_vdw_refined
ELECTRON MICROSCOPYr_symmetry_vdw_other
ELECTRON MICROSCOPYr_symmetry_hbond_refined
ELECTRON MICROSCOPYr_symmetry_hbond_other
ELECTRON MICROSCOPYr_symmetry_metal_ion_refined
ELECTRON MICROSCOPYr_symmetry_metal_ion_other
ELECTRON MICROSCOPYr_mcbond_it5.9296.9919338
ELECTRON MICROSCOPYr_mcbond_other5.9296.9919337
ELECTRON MICROSCOPYr_mcangle_it9.32912.59724078
ELECTRON MICROSCOPYr_mcangle_other9.32912.59724079
ELECTRON MICROSCOPYr_scbond_it6.088.208133649
ELECTRON MICROSCOPYr_scbond_other6.088.208133649
ELECTRON MICROSCOPYr_scangle_it
ELECTRON MICROSCOPYr_scangle_other9.6914.963204926
ELECTRON MICROSCOPYr_long_range_B_refined14.07390.1196070
ELECTRON MICROSCOPYr_long_range_B_other14.08190.23195620
ELECTRON MICROSCOPYr_rigid_bond_restr
ELECTRON MICROSCOPYr_sphericity_free
ELECTRON MICROSCOPYr_sphericity_bonded
LS refinement shellResolution: 2.2→2.257 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0 0 -
Rwork0.604 241134 -
obs--100 %

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