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- PDB-9ghh: Staphylococcus aureus FusB bound to the large subunit of the S. a... -

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Basic information

Entry
Database: PDB / ID: 9ghh
TitleStaphylococcus aureus FusB bound to the large subunit of the S. aureus 70S ribosome (FusB-Sa70S:LSU)
Components
  • (30S ribosomal protein ...) x 19
  • (50S ribosomal protein ...) x 26
  • (Large ribosomal subunit protein ...) x 2
  • 16S rRNA
  • 23S rRNA
  • 5S rRNA
  • E-site tRNA
  • Far1
  • Small ribosomal subunit protein uS10
  • mRNA
KeywordsRIBOSOME / fusidic acid / EF-G / antibiotic / FusB
Function / homology
Function and homology information


large ribosomal subunit / transferase activity / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / small ribosomal subunit rRNA binding ...large ribosomal subunit / transferase activity / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / ribosomal large subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / small ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / mRNA binding / RNA binding / zinc ion binding / metal ion binding / cytosol / cytoplasm
Similarity search - Function
Elongation factor G-binding protein, N-terminal / Elongation factor G-binding protein, C-terminal treble-clef zinc-finger / EF-G binding protein, N-terminal domain superfamily / Elongation factor G-binding protein, N-terminal / FBP C-terminal treble-clef zinc-finger / Ribosomal protein L31 type B / Ribosomal protein L25, long-form / Ribosomal protein L25, beta domain / Ribosomal protein L25, C-terminal / Ribosomal protein TL5, C-terminal domain ...Elongation factor G-binding protein, N-terminal / Elongation factor G-binding protein, C-terminal treble-clef zinc-finger / EF-G binding protein, N-terminal domain superfamily / Elongation factor G-binding protein, N-terminal / FBP C-terminal treble-clef zinc-finger / Ribosomal protein L31 type B / Ribosomal protein L25, long-form / Ribosomal protein L25, beta domain / Ribosomal protein L25, C-terminal / Ribosomal protein TL5, C-terminal domain / : / Ribosomal protein S14, type Z / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein S21 / : / Ribosomal protein L16 signature 1. / Ribosomal protein L16 signature 2. / Ribosomal protein L16, conserved site / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / : / 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 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 L5, bacterial-type / Ribosomal protein L18, bacterial-type / : / Ribosomal protein S19, bacterial-type / Ribosomal protein S3, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S9, bacterial/plastid / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein S4, bacterial-type / 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 S14/S29 / Ribosomal protein L20 signature. / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L14P, bacterial-type / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal L28 family / Ribosomal protein L33 superfamily / Ribosomal protein L16 / Ribosomal protein L28/L24 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L30, bacterial-type / Ribosomal protein S16 / Ribosomal protein S16 domain superfamily / Ribosomal protein S16 / : / L28p-like / Ribosomal protein S15, bacterial-type / Ribosomal protein L27 / Ribosomal L27 protein / Ribosomal protein L20
Similarity search - Domain/homology
1,4-DIAMINOBUTANE / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein uS10 / Large ribosomal subunit protein uL15 ...1,4-DIAMINOBUTANE / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein uS10 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL30 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL23 / Small ribosomal subunit protein uS19 / Large ribosomal subunit protein uL22 / Small ribosomal subunit protein uS3 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL29 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL5 / Small ribosomal subunit protein uS14B / Small ribosomal subunit protein uS8 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein uL18 / Small ribosomal subunit protein uS5 / Large ribosomal subunit protein bL36 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS11 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL13 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein bL31B / Small ribosomal subunit protein uS4 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein bL27 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein bS21 / Large ribosomal subunit protein bL33A / Small ribosomal subunit protein uS2 / Large ribosomal subunit protein bL19 / Small ribosomal subunit protein bS16 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL25 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS15 / Far1
Similarity search - Component
Biological speciesStaphylococcus aureus (bacteria)
Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
Escherichia coli K-12 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.7 Å
AuthorsGonzalez-Lopez, A. / Selmer, M.
Funding support Sweden, 4items
OrganizationGrant numberCountry
Sven och Lilly Lawskis fond for naturvetenskaplig forskning Sweden
Uppsala Antibiotic Center Sweden
Swedish Research Council2016-06264 Sweden
Swedish Research Council2022-04511 Sweden
CitationJournal: Nat Commun / Year: 2025
Title: Structural mechanism of FusB-mediated rescue from fusidic acid inhibition of protein synthesis.
Authors: Adrián González-López / Xueliang Ge / Daniel S D Larsson / Carina Sihlbom Wallem / Suparna Sanyal / Maria Selmer /
Abstract: The antibiotic resistance protein FusB rescues protein synthesis from inhibition by fusidic acid (FA), which locks elongation factor G (EF-G) to the ribosome after GTP hydrolysis. Here, we present ...The antibiotic resistance protein FusB rescues protein synthesis from inhibition by fusidic acid (FA), which locks elongation factor G (EF-G) to the ribosome after GTP hydrolysis. Here, we present time-resolved single-particle cryo-EM structures explaining the mechanism of FusB-mediated rescue. FusB binds to the FA-trapped EF-G on the ribosome, causing large-scale conformational changes of EF-G that break interactions with the ribosome, tRNA, and mRNA. This leads to dissociation of EF-G from the ribosome, followed by FA release. We also observe two independent binding sites of FusB on the classical-state ribosome, overlapping with the binding site of EF-G to each of the ribosomal subunits, yet not inhibiting tRNA delivery. The affinity of FusB to the ribosome and the concentration of FusB in S. aureus during FusB-mediated resistance support that direct binding of FusB to ribosomes could occur in the cell. Our results reveal an intricate resistance mechanism involving specific interactions of FusB with both EF-G and the ribosome, and a non-canonical release pathway of EF-G.
History
DepositionAug 15, 2024Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 26, 2025Provider: repository / Type: Initial release
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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
1: 50S ribosomal protein L28
2: 50S ribosomal protein L29
3: 50S ribosomal protein L30
4: 50S ribosomal protein L31 type B
5: Large ribosomal subunit protein bL32
6: Large ribosomal subunit protein bL33A
7: 50S ribosomal protein L34
8: 50S ribosomal protein L35
9: 50S ribosomal protein L36
A: 23S rRNA
B: 5S rRNA
C: Far1
D: E-site tRNA
F: E-site tRNA
G: 50S ribosomal protein L2
H: 50S ribosomal protein L3
I: 50S ribosomal protein L4
J: 50S ribosomal protein L5
K: 50S ribosomal protein L6
M: 50S ribosomal protein L13
N: 50S ribosomal protein L14
O: 50S ribosomal protein L15
P: 50S ribosomal protein L16
Q: 50S ribosomal protein L17
R: 50S ribosomal protein L18
S: 50S ribosomal protein L19
T: 50S ribosomal protein L20
U: 50S ribosomal protein L21
V: 50S ribosomal protein L22
W: 50S ribosomal protein L23
X: 50S ribosomal protein L24
Y: 50S ribosomal protein L25
Z: 50S ribosomal protein L27
a: 16S rRNA
b: mRNA
c: 30S ribosomal protein S2
d: 30S ribosomal protein S3
e: 30S ribosomal protein S4
f: 30S ribosomal protein S5
g: 30S ribosomal protein S6
h: 30S ribosomal protein S7
i: 30S ribosomal protein S8
j: 30S ribosomal protein S9
k: Small ribosomal subunit protein uS10
l: 30S ribosomal protein S11
m: 30S ribosomal protein S12
n: 30S ribosomal protein S13
o: 30S ribosomal protein S14 type Z
p: 30S ribosomal protein S15
q: 30S ribosomal protein S16
r: 30S ribosomal protein S17
s: 30S ribosomal protein S18
t: 30S ribosomal protein S19
u: 30S ribosomal protein S20
v: 30S ribosomal protein S21
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,229,700206
Polymers2,225,73855
Non-polymers3,962151
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
111
211

NCS domain segments:

Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: G / Beg label comp-ID: G / End auth comp-ID: C / End label comp-ID: C / Auth seq-ID: 2 - 75 / Label seq-ID: 2 - 76

Dom-IDAuth asym-IDLabel asym-ID
1DM
2FN

NCS ensembles : (Details: Local NCS retraints between domains: 1 2)

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Components

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50S ribosomal protein ... , 26 types, 26 molecules 1234789GHIJKMNOPQRSTUVWXYZ

#1: Protein 50S ribosomal protein L28


Mass: 6995.289 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FZ60
#2: Protein 50S ribosomal protein L29


Mass: 8105.266 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW14
#3: Protein 50S ribosomal protein L30


Mass: 6565.683 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: P0A0G2
#4: Protein 50S ribosomal protein L31 type B


Mass: 9737.912 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FWD8
#7: Protein/peptide 50S ribosomal protein L34


Mass: 5454.642 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FUQ0
#8: Protein 50S ribosomal protein L35


Mass: 7722.368 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXQ0
#9: Protein/peptide 50S ribosomal protein L36


Mass: 4318.422 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW29
#14: Protein 50S ribosomal protein L2


Mass: 30217.164 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: P60430
#15: Protein 50S ribosomal protein L3


Mass: 23760.256 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW06
#16: Protein 50S ribosomal protein L4


Mass: 22495.697 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW07
#17: Protein 50S ribosomal protein L5


Mass: 20296.637 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW18
#18: Protein 50S ribosomal protein L6


Mass: 19818.580 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW21
#19: Protein 50S ribosomal protein L13


Mass: 16359.427 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW38
#20: Protein 50S ribosomal protein L14


Mass: 13157.342 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW16
#21: Protein 50S ribosomal protein L15


Mass: 15628.890 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: P0A0F8
#22: Protein 50S ribosomal protein L16


Mass: 16274.049 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW13
#23: Protein 50S ribosomal protein L17


Mass: 13771.773 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW33
#24: Protein 50S ribosomal protein L18


Mass: 13124.093 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW22
#25: Protein 50S ribosomal protein L19


Mass: 13392.771 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FZ42
#26: Protein 50S ribosomal protein L20


Mass: 13720.295 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXQ1
#27: Protein 50S ribosomal protein L21


Mass: 11354.081 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXS8
#28: Protein 50S ribosomal protein L22


Mass: 12857.922 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW11
#29: Protein 50S ribosomal protein L23


Mass: 10625.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW08
#30: Protein 50S ribosomal protein L24


Mass: 11561.504 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW17
#31: Protein 50S ribosomal protein L25 / General stress protein CTC


Mass: 23810.609 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2G0S0
#32: Protein 50S ribosomal protein L27


Mass: 10334.798 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXT0

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Large ribosomal subunit protein ... , 2 types, 2 molecules 56

#5: Protein Large ribosomal subunit protein bL32 / 50S ribosomal protein L32


Mass: 6500.609 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FZF1
#6: Protein/peptide Large ribosomal subunit protein bL33A / 50S ribosomal protein L33 1


Mass: 5944.937 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FYU6

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RNA chain , 5 types, 6 molecules ABDFab

#10: RNA chain 23S rRNA


Mass: 946782.688 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
#11: RNA chain 5S rRNA


Mass: 36974.945 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: GenBank: CP000253.1
#13: RNA chain E-site tRNA


Mass: 24802.785 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Escherichia coli K-12 (bacteria) / References: GenBank: 1848851804
#33: RNA chain 16S rRNA


Mass: 503117.219 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: GenBank: CP000253
#34: RNA chain mRNA


Mass: 7889.855 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Escherichia coli K-12 (bacteria)

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Protein , 2 types, 2 molecules Ck

#12: Protein Far1 / FusB / Fusidic acid resistance


Mass: 25225.125 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Staphylococcus aureus (bacteria) / Gene: far1, fusB / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q8GNY5
#43: Protein Small ribosomal subunit protein uS10 / 30S ribosomal protein S10


Mass: 11598.503 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: A5IV35

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30S ribosomal protein ... , 19 types, 19 molecules cdefghijlmnopqrstuv

#35: Protein 30S ribosomal protein S2


Mass: 29136.369 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FZ25
#36: Protein 30S ribosomal protein S3


Mass: 24143.867 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW12
#37: Protein 30S ribosomal protein S4


Mass: 23051.416 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXK6
#38: Protein 30S ribosomal protein S5


Mass: 17770.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW23
#39: Protein 30S ribosomal protein S6


Mass: 11613.146 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2G113
#40: Protein 30S ribosomal protein S7


Mass: 17826.555 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: P48940
#41: Protein 30S ribosomal protein S8


Mass: 14854.315 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW20
#42: Protein 30S ribosomal protein S9


Mass: 14856.987 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW39
#44: Protein 30S ribosomal protein S11


Mass: 13907.978 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW31
#45: Protein 30S ribosomal protein S12


Mass: 15320.870 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: P0A0H0
#46: Protein 30S ribosomal protein S13


Mass: 13747.919 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW30
#47: Protein 30S ribosomal protein S14 type Z


Mass: 7317.769 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW19
#48: Protein 30S ribosomal protein S15


Mass: 10634.330 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2G2Q1
#49: Protein 30S ribosomal protein S16


Mass: 10253.886 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FZ45
#50: Protein 30S ribosomal protein S17


Mass: 10196.888 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW15
#51: Protein 30S ribosomal protein S18


Mass: 9332.018 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2G111
#52: Protein 30S ribosomal protein S19


Mass: 10639.309 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FW10
#53: Protein 30S ribosomal protein S20


Mass: 9039.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXY6
#54: Protein 30S ribosomal protein S21


Mass: 6994.267 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)
References: UniProt: Q2FXZ7

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Non-polymers , 3 types, 151 molecules

#55: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#56: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 145 / Source method: obtained synthetically / Formula: Mg
#57: Chemical ChemComp-PUT / 1,4-DIAMINOBUTANE / PUTRESCINE


Mass: 88.151 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H12N2

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Details

Has ligand of interestN
Has protein modificationN

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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
IDNameTypeEntity IDParent-IDSource
1FusB on 70S ribosomesRIBOSOME#1-#540MULTIPLE SOURCES
2FusBCOMPLEX#121RECOMBINANT
3mRNACOMPLEX#341RECOMBINANT
4E-site tRNACOMPLEX#131NATURAL
570S ribosomeRIBOSOME#1-#11, #14-#33, #35-#541NATURAL
Molecular weightValue: 2.5 MDa / Experimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
22Staphylococcus aureus (bacteria)1280
33Escherichia coli K-12 (bacteria)83333
44Escherichia coli K-12 (bacteria)83333
55Staphylococcus aureus subsp. aureus NCTC 8325 (bacteria)93061
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
22Escherichia coli BL21(DE3) (bacteria)469008
33synthetic construct (others)32630
Buffer solutionpH: 7.5
Buffer component
IDConc.NameFormulaBuffer-ID
120 mMHEPES-KOHC8H18N2O4S1
295 mMPotassium chlorideKCl1
35 mMAmmonium chlorideNH4Cl1
45 mMMagnesium acetateMg(OAc)21
50.5 mMCalcium chlorideCaCl21
68 mMPutrescine(CH2)4(NH2)21
71 mMSpermidineC7H19N31
85 mMBeta-MercaptoethanolC2H6OS1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 277.15 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: 165000 X / Nominal defocus max: 1300 nm / Nominal defocus min: 700 nm / Cs: 2.7 mm / C2 aperture diameter: 50 µm
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage exposure time: 2.14 sec. / Electron dose: 28.14 e/Å2 / Film or detector model: TFS FALCON 4i (4k x 4k) / Num. of grids imaged: 1 / Num. of real images: 10064
EM imaging opticsEnergyfilter name: TFS Selectris / Energyfilter slit width: 10 eV

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Processing

EM software
IDNameVersionCategory
1cryoSPARC4.4.1particle selection
2EPUimage acquisition
4cryoSPARC4.4.1CTF correction
10cryoSPARC4.4.1initial Euler assignment
11cryoSPARC4.4.1final Euler assignment
12cryoSPARC4.4.1classification
13cryoSPARC4.4.13D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 859410
3D reconstructionResolution: 2.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 15167 / Symmetry type: POINT
RefinementResolution: 2.7→2.7 Å / Cor.coef. Fo:Fc: 0.813 / WRfactor Rwork: 0.398 / SU B: 15.093 / SU ML: 0.288 / Average fsc free: 0 / Average fsc overall: 0.733 / Average fsc work: 0.733 / ESU R: 0.291
Details: Hydrogens have been added in their riding positions
RfactorNum. reflection% reflection
Rwork0.3978 2265954 -
all0.398 --
Rfree--0 %
obs--100 %
Solvent computationSolvent model: NONE
Displacement parametersBiso mean: 81.336 Å2
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
ELECTRON MICROSCOPYr_bond_refined_d0.0020.011157154
ELECTRON MICROSCOPYr_bond_other_d00.01791625
ELECTRON MICROSCOPYr_angle_refined_deg0.6871.848235062
ELECTRON MICROSCOPYr_angle_other_deg0.2741.735216657
ELECTRON MICROSCOPYr_dihedral_angle_1_deg4.34755631
ELECTRON MICROSCOPYr_dihedral_angle_2_deg5.3725486
ELECTRON MICROSCOPYr_dihedral_angle_other_2_deg0.69353623
ELECTRON MICROSCOPYr_dihedral_angle_3_deg10.999109027
ELECTRON MICROSCOPYr_dihedral_angle_6_deg6.317102008
ELECTRON MICROSCOPYr_chiral_restr0.0280.230056
ELECTRON MICROSCOPYr_chiral_restr_other0.0430.24
ELECTRON MICROSCOPYr_gen_planes_refined0.0030.02109682
ELECTRON MICROSCOPYr_gen_planes_other0.0010.0228121
ELECTRON MICROSCOPYr_nbd_refined0.1410.224604
ELECTRON MICROSCOPYr_symmetry_nbd_other0.1970.296649
ELECTRON MICROSCOPYr_nbtor_refined0.2220.259337
ELECTRON MICROSCOPYr_symmetry_nbtor_other0.0710.252711
ELECTRON MICROSCOPYr_xyhbond_nbd_refined0.1330.24110
ELECTRON MICROSCOPYr_symmetry_xyhbond_nbd_other0.0330.215
ELECTRON MICROSCOPYr_metal_ion_refined0.120.237
ELECTRON MICROSCOPYr_mcbond_it1.8328.9122671
ELECTRON MICROSCOPYr_mcbond_other1.8328.9122671
ELECTRON MICROSCOPYr_mcangle_it3.36316.01128250
ELECTRON MICROSCOPYr_mcangle_other3.36316.01228251
ELECTRON MICROSCOPYr_scbond_it1.6798.101134483
ELECTRON MICROSCOPYr_scbond_other1.6798.101134484
ELECTRON MICROSCOPYr_scangle_it3.00914.729206811
ELECTRON MICROSCOPYr_scangle_other3.00914.729206812
ELECTRON MICROSCOPYr_lrange_it5.95492.859197533
ELECTRON MICROSCOPYr_lrange_other5.95492.859197534
ELECTRON MICROSCOPYr_ncsr_local_group_10.1650.057758
Refine LS restraints NCS
Ens-IDDom-IDAuth asym-IDRefine-IDTypeRms dev position (Å)Weight position
111ELECTRON MICROSCOPYLocal ncs0.164790.05007
121ELECTRON MICROSCOPYLocal ncs0.164790.05007
LS refinement shell

Refine-ID: ELECTRON MICROSCOPY / Num. reflection Rfree: _ / Total num. of bins used: 20 / % reflection obs: 100 %

Resolution (Å)Rfactor RworkNum. reflection RworkRfactor allNum. reflection allFsc workWRfactor Rwork
2.5-2.5652.5851679812.5851679810.2092.585
2.565-2.6352.021630222.021630220.2582.02
2.635-2.7121.4131593741.4131593740.381.413
2.712-2.7950.5451543040.5451543040.6530.545
2.795-2.8870.41494510.41494510.7420.4
2.887-2.9880.3541447780.3541447780.8020.354
2.988-3.1010.3291394890.3291394890.8540.329
3.101-3.2270.3211344020.3211344020.8890.321
3.227-3.3710.3291286690.3291286690.9030.329
3.371-3.5350.3361232970.3361232970.9040.336
3.535-3.7270.3321170700.3321170700.9040.332
3.727-3.9530.3161108190.3161108190.9060.316
3.953-4.2250.3021040320.3021040320.9070.302
4.225-4.5640.29968310.29968310.9070.29
4.564-4.9990.276890780.276890780.9050.276
4.999-5.5890.259806320.259806320.9070.259
5.589-6.4530.269709890.269709890.9050.269
6.453-7.9030.314600320.314600320.9110.314
7.903-11.1720.395463580.395463580.9390.395
11.172-278.0960.572253590.572253590.9730.572

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