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- PDB-6ogf: 70S termination complex with RF2 bound to the UGA codon. Partiall... -

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Basic information

Entry
Database: PDB / ID: 6ogf
Title70S termination complex with RF2 bound to the UGA codon. Partially rotated ribosome with RF2 bound (Structure III).
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 29
  • 16S ribosomal RNA
  • 23S ribosomal RNA
  • 5S ribosomal RNA
  • Peptide chain release factor 2
  • mRNAMessenger RNA
  • tRNAfMet
KeywordsRIBOSOME / Ribosome recycling / translation termination / RF2 / intersubunit rotation
Function / homology
Function and homology information


translation release factor activity, codon specific / positive regulation of ribosome biogenesis / DnaA-L2 complex / negative regulation of DNA-templated DNA replication initiation / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / regulation of cell growth / ribosomal large subunit assembly / ribosome binding / large ribosomal subunit ...translation release factor activity, codon specific / positive regulation of ribosome biogenesis / DnaA-L2 complex / negative regulation of DNA-templated DNA replication initiation / assembly of large subunit precursor of preribosome / cytosolic ribosome assembly / regulation of cell growth / ribosomal large subunit assembly / ribosome binding / large ribosomal subunit / regulation of translation / small ribosomal subunit / 5S rRNA binding / cytoplasmic translation / cytosolic large ribosomal subunit / transferase activity / tRNA binding / rRNA binding / ribosome / structural constituent of ribosome / translation / ribonucleoprotein complex / mRNA binding / RNA binding / zinc ion binding / cytosol / cytoplasm
Similarity search - Function
Peptide chain release factor 2 / Peptide chain release factor / PCRF domain / PCRF / Prokaryotic-type class I peptide chain release factors signature. / Peptide chain release factor class I / RF-1 domain / Ribosomal protein L1, bacterial-type / Ribosomal protein L1, conserved site / Ribosomal protein L1 ...Peptide chain release factor 2 / Peptide chain release factor / PCRF domain / PCRF / Prokaryotic-type class I peptide chain release factors signature. / Peptide chain release factor class I / RF-1 domain / Ribosomal protein L1, bacterial-type / Ribosomal protein L1, conserved site / Ribosomal protein L1 / Ribosomal protein L1 signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein L1-like / Ribosomal protein L1/ribosomal biogenesis protein / Ribosomal protein S14, bacterial/plastid / Ribosomal protein L1p/L10e family / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / 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 L17 signature. / 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 L25p family / Ribosomal protein L25 / Ribosomal protein S14/S29 / Ribosomal protein L28/L24 superfamily / Ribosomal protein L36 signature. / 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 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 L6, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L20 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein L27, conserved site / Ribosomal protein S6, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L14P, bacterial-type / Ribosomal protein S4, bacterial-type / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein S2, bacteria/mitochondria/plastid / Ribosomal L28 family / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal protein L28/L24 / Ribosomal protein L33 superfamily / Ribosomal protein L30, bacterial-type / Ribosomal protein L16 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast
Similarity search - Domain/homology
: / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein uL15 / Small ribosomal subunit protein bS18 ...: / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein uL15 / Small ribosomal subunit protein bS18 / Large ribosomal subunit protein bL36 / Small ribosomal subunit protein bS21 / Peptide chain release factor 2 / Large ribosomal subunit protein bL20 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS3 / Large ribosomal subunit protein bL34 / Small ribosomal subunit protein bS16 / Large ribosomal subunit protein uL1 / Large ribosomal subunit protein bL17 / 50S ribosomal protein L23 / Large ribosomal subunit protein bL25 / 50S ribosomal protein L35 / 30S ribosomal protein S10 / 50S ribosomal protein L4 / 30S ribosomal protein S19 / 50S ribosomal protein L22 / 50S ribosomal protein L29 / 30S ribosomal protein S17 / 50S ribosomal protein L14 / 50S ribosomal protein L24 / 50S ribosomal protein L5 / 30S ribosomal protein S14 / 30S ribosomal protein S8 / 50S ribosomal protein L6 / 50S ribosomal protein L18 / 30S ribosomal protein S5 / 50S ribosomal protein L30 / 30S ribosomal protein S4 / 50S ribosomal protein L33 / 30S ribosomal protein S12 / 30S ribosomal protein S7 / 30S ribosomal protein S20 / 30S ribosomal protein S15 / 50S ribosomal protein L21 / 30S ribosomal protein S9 / 50S ribosomal protein L13 / 50S ribosomal protein L32 / 50S ribosomal protein L9 / 30S ribosomal protein S6 / 30S ribosomal protein S2 / 50S ribosomal protein L19 / 30S ribosomal protein S13 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / 50S ribosomal protein L28
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å
AuthorsSvidritskiy, E. / Demo, G. / Loveland, A.B. / Xu, C. / Korostelev, A.A.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01 GM107465 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35 GM127094 United States
CitationJournal: Elife / Year: 2019
Title: Extensive ribosome and RF2 rearrangements during translation termination.
Authors: Egor Svidritskiy / Gabriel Demo / Anna B Loveland / Chen Xu / Andrei A Korostelev /
Abstract: Protein synthesis ends when a ribosome reaches an mRNA stop codon. Release factors (RFs) decode the stop codon, hydrolyze peptidyl-tRNA to release the nascent protein, and then dissociate to allow ...Protein synthesis ends when a ribosome reaches an mRNA stop codon. Release factors (RFs) decode the stop codon, hydrolyze peptidyl-tRNA to release the nascent protein, and then dissociate to allow ribosome recycling. To visualize termination by RF2, we resolved a cryo-EM ensemble of 70S•RF2 structures at up to 3.3 Å in a single sample. Five structures suggest a highly dynamic termination pathway. Upon peptidyl-tRNA hydrolysis, the CCA end of deacyl-tRNA departs from the peptidyl transferase center. The catalytic GGQ loop of RF2 is rearranged into a long β-hairpin that plugs the peptide tunnel, biasing a nascent protein toward the ribosome exit. Ribosomal intersubunit rotation destabilizes the catalytic RF2 domain on the 50S subunit and disassembles the central intersubunit bridge B2a, resulting in RF2 departure. Our structures visualize how local rearrangements and spontaneous inter-subunit rotation poise the newly-made protein and RF2 to dissociate in preparation for ribosome recycling.
History
DepositionApr 2, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 25, 2019Provider: repository / Type: Initial release
Revision 1.1Jan 8, 2020Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.2Mar 20, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

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Assembly

Deposited unit
b: 50S ribosomal protein L2
c: 50S ribosomal protein L3
d: 50S ribosomal protein L4
e: 50S ribosomal protein L5
f: 50S ribosomal protein L6
g: 50S ribosomal protein L9
j: 50S ribosomal protein L13
k: 50S ribosomal protein L14
l: 50S ribosomal protein L15
m: 50S ribosomal protein L16
n: 50S ribosomal protein L17
o: 50S ribosomal protein L18
p: 50S ribosomal protein L19
q: 50S ribosomal protein L20
r: 50S ribosomal protein L21
s: 50S ribosomal protein L22
t: 50S ribosomal protein L23
u: 50S ribosomal protein L24
v: 50S ribosomal protein L25
w: 50S ribosomal protein L27
x: 50S ribosomal protein L28
y: 50S ribosomal protein L29
z: 50S ribosomal protein L30
B: 50S ribosomal protein L32
C: 50S ribosomal protein L33
D: 50S ribosomal protein L34
E: 50S ribosomal protein L35
F: 50S ribosomal protein L36
G: 30S ribosomal protein S2
H: 30S ribosomal protein S3
I: 30S ribosomal protein S4
J: 30S ribosomal protein S5
K: 30S ribosomal protein S6
L: 30S ribosomal protein S7
M: 30S ribosomal protein S8
N: 30S ribosomal protein S9
O: 30S ribosomal protein S10
P: 30S ribosomal protein S11
Q: 30S ribosomal protein S12
R: 30S ribosomal protein S13
S: 30S ribosomal protein S14
T: 30S ribosomal protein S15
U: 30S ribosomal protein S16
V: 30S ribosomal protein S17
W: 30S ribosomal protein S18
X: 30S ribosomal protein S19
Y: 30S ribosomal protein S20
Z: 30S ribosomal protein S21
a: 50S ribosomal protein L1
3: 16S ribosomal RNA
1: 23S ribosomal RNA
2: 5S ribosomal RNA
5: tRNAfMet
4: mRNA
8: Peptide chain release factor 2


Theoretical massNumber of molelcules
Total (without water)2,228,59455
Polymers2,228,59455
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)1 / -
Representative

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Components

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

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


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


Mass: 22277.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P60438
#3: Protein 50S ribosomal protein L4 /


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7Z9F6
#4: Protein 50S ribosomal protein L5 /


Mass: 20333.611 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9G7
#5: Protein 50S ribosomal protein L6 /


Mass: 18932.791 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9H0
#6: Protein 50S ribosomal protein L9 /


Mass: 15789.020 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZI15
#7: Protein 50S ribosomal protein L13 /


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7ZET0
#8: Protein 50S ribosomal protein L14 /


Mass: 13565.067 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9G5
#9: Protein 50S ribosomal protein L15 /


Mass: 15008.471 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A037Y8L6
#10: Protein 50S ribosomal protein L16 / / Large ribosomal subunit protein uL16


Mass: 15312.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: P0ADY7
#11: Protein 50S ribosomal protein L17 /


Mass: 14423.683 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7N179
#12: Protein 50S ribosomal protein L18 /


Mass: 12794.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7Z9H1
#13: Protein 50S ribosomal protein L19 /


Mass: 13159.278 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZKU3
#14: Protein 50S ribosomal protein L20 /


Mass: 13528.024 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MAS6
#15: Protein 50S ribosomal protein L21 /


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7ZEN7
#16: Protein 50S ribosomal protein L22 /


Mass: 12253.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7Z9G0
#17: Protein 50S ribosomal protein L23 /


Mass: 11222.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7X2Z9
#18: Protein 50S ribosomal protein L24 /


Mass: 11339.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9G6
#19: Protein 50S ribosomal protein L25 /


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


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


Mass: 9027.551 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: S0YB49
#22: Protein 50S ribosomal protein L29 /


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: D7Z9G3
#23: Protein 50S ribosomal protein L30 /


Mass: 6554.820 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9H3
#24: Protein 50S ribosomal protein L32 /


Mass: 6463.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZGG2
#25: Protein 50S ribosomal protein L33 /


Mass: 6388.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9P0
#26: Protein/peptide 50S ribosomal protein L34 /


Mass: 5397.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: B7MGC4
#27: Protein 50S ribosomal protein L35 /


Mass: 7313.032 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z814
#28: Protein/peptide 50S ribosomal protein L36 /


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: A0A0E2L017
#49: Protein 50S ribosomal protein L1 /


Mass: 24765.660 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MIX0

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

#29: Protein 30S ribosomal protein S2 /


Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZK99
#30: Protein 30S ribosomal protein S3 /


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


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9H7
#32: Protein 30S ribosomal protein S5 /


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9H2
#33: Protein 30S ribosomal protein S6 /


Mass: 15211.058 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZI17
#34: Protein 30S ribosomal protein S7 /


Mass: 17637.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZAN1
#35: Protein 30S ribosomal protein S8 /


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9G9
#36: Protein 30S ribosomal protein S9 /


Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZES9
#37: Protein 30S ribosomal protein S10 /


Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9F4
#38: Protein 30S ribosomal protein S11 /


Mass: 13870.975 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: B7MCR3
#39: Protein 30S ribosomal protein S12 /


Mass: 13768.157 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZAN0
#40: Protein 30S ribosomal protein S13 /


Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: H4UQ02
#41: Protein 30S ribosomal protein S14 /


Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9G8
#42: Protein 30S ribosomal protein S15 /


Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZEL4
#43: Protein 30S ribosomal protein S16 /


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: UniProt: B7MIU7
#44: Protein 30S ribosomal protein S17 /


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9G4
#45: Protein 30S ribosomal protein S18 /


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


Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7Z9F9
#47: Protein 30S ribosomal protein S20 /


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / Strain: MRE600 / References: UniProt: D7ZAS2
#48: Protein 30S ribosomal protein S21 /


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

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RNA chain , 5 types, 5 molecules 31254

#50: RNA chain 16S ribosomal RNA /


Mass: 498725.406 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1338015391
#51: RNA chain 23S ribosomal RNA /


Mass: 941305.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1036415628
#52: RNA chain 5S ribosomal RNA /


Mass: 38813.133 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1370526515
#53: RNA chain tRNAfMet


Mass: 24802.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: cell / Source: (natural) Escherichia coli (E. coli) / References: GenBank: 1384458579
#54: RNA chain mRNA / Messenger RNA


Mass: 8878.456 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Protein , 1 types, 1 molecules 8

#55: Protein Peptide chain release factor 2 / RF-2


Mass: 42129.535 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: prfB, C4J69_20115 / Production host: Escherichia coli (E. coli) / References: UniProt: A0A2S5ZJX2

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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: tRNAfMet and RF2 bound to a non-rotated E. coli ribosome
Type: RIBOSOME / Entity ID: all / Source: MULTIPLE SOURCES
Molecular weightValue: 2.5 MDa / Experimental value: NO
Source (natural)Organism: Escherichia coli (E. coli) / Strain: MRE600
Buffer solutionpH: 7
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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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 FIELDBright-field microscopy
Image recordingElectron dose: 29.4 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 28549 / Symmetry type: POINT
NMR ensembleConformers submitted total number: 1

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