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- PDB-4v7b: Visualization of two tRNAs trapped in transit during EF-G-mediate... -

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Basic information

Entry
Database: PDB / ID: 4v7b
TitleVisualization of two tRNAs trapped in transit during EF-G-mediated translocation
Components
  • (30S ribosomal protein ...) x 20
  • (50S ribosomal protein ...) x 31
  • 16S ribosomal RNA
  • 23S ribosomal RNA
  • 5S ribosomal RNA
  • Elongation Factor G
  • formyl-methionine specific initiator transfer RNA
  • messenger RNA
  • modified formyl-methionine specific initiator transfer RNA
KeywordsRIBOSOME/TRANSLATION / translocation intermediate / EF-G / head swiveling / RIBOSOME-TRANSLATION complex
Function / homology
Function and homology information


ribosome disassembly / translational elongation / guanosine tetraphosphate binding / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding ...ribosome disassembly / translational elongation / guanosine tetraphosphate binding / stringent response / mRNA base-pairing translational repressor activity / ornithine decarboxylase inhibitor activity / transcription antitermination factor activity, RNA binding / misfolded RNA binding / Group I intron splicing / RNA folding / transcriptional attenuation / endoribonuclease inhibitor activity / RNA-binding transcription regulator activity / positive regulation of ribosome biogenesis / negative regulation of cytoplasmic translation / translation elongation factor activity / translational termination / four-way junction DNA binding / DnaA-L2 complex / translation repressor activity / negative regulation of translational initiation / negative regulation of DNA-templated DNA replication initiation / regulation of mRNA stability / ribosome assembly / mRNA regulatory element binding translation repressor activity / positive regulation of RNA splicing / assembly of large subunit precursor of preribosome / transcription elongation factor complex / DNA endonuclease activity / regulation of DNA-templated transcription elongation / cytosolic ribosome assembly / transcription antitermination / response to reactive oxygen species / regulation of cell growth / DNA-templated transcription termination / maintenance of translational fidelity / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / response to radiation / ribosomal large subunit assembly / mRNA 5'-UTR binding / large ribosomal subunit / ribosome biogenesis / ribosome binding / regulation of translation / ribosomal small subunit biogenesis / ribosomal small subunit assembly / small ribosomal subunit / small ribosomal subunit rRNA binding / transferase activity / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic small ribosomal subunit / cytosolic large ribosomal subunit / tRNA binding / molecular adaptor activity / cytoplasmic translation / rRNA binding / negative regulation of translation / ribosome / structural constituent of ribosome / translation / response to antibiotic / GTPase activity / negative regulation of DNA-templated transcription / mRNA binding / GTP binding / protein homodimerization activity / DNA binding / RNA binding / zinc ion binding / membrane / cytoplasm / cytosol
Similarity search - Function
: / Translation elongation factor EFG/EF2 / Elongation factor G, domain III / EFG, domain V / Ribosomal protein L7/L12, oligomerisation / Ribosomal protein L7/L12, oligomerisation domain superfamily / Ribosomal protein L7/L12 dimerisation domain / Ribosomal protein L7/L12 / Ribosomal protein L7/L12, C-terminal / Ribosomal protein L7/L12 C-terminal domain ...: / Translation elongation factor EFG/EF2 / Elongation factor G, domain III / EFG, domain V / Ribosomal protein L7/L12, oligomerisation / Ribosomal protein L7/L12, oligomerisation domain superfamily / Ribosomal protein L7/L12 dimerisation domain / Ribosomal protein L7/L12 / Ribosomal protein L7/L12, C-terminal / Ribosomal protein L7/L12 C-terminal domain / Ribosomal protein L7/L12, C-terminal/adaptor protein ClpS-like / Elongation Factor G, domain II / Elongation Factor G, domain III / Translation elongation factor EFG/EF2, domain IV / Elongation factor G, domain IV / Elongation factor G, domain IV / Elongation factor G C-terminus / Ribosomal protein L10, eubacterial, conserved site / Ribosomal protein L10 signature. / Elongation factor EFG, domain V-like / Elongation factor G C-terminus / Ribosomal protein L10 / EF-G domain III/V-like / Tr-type G domain, conserved site / Translational (tr)-type guanine nucleotide-binding (G) domain signature. / : / Translation elongation factor EFTu-like, domain 2 / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L25, short-form / Ribosomal protein S14, bacterial/plastid / Elongation factor Tu domain 2 / Ribosomal protein L11, bacterial-type / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Translational (tr)-type GTP-binding domain / Elongation factor Tu GTP binding domain / Translational (tr)-type guanine nucleotide-binding (G) domain profile. / Ribosomal protein S21 / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L11, conserved site / Ribosomal protein L11 signature. / Ribosomal protein L16 signature 1. / Ribosomal protein L10-like domain superfamily / : / Ribosomal protein L10 / Ribosomal protein L10P / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L17 signature. / Ribosomal L25p family / Ribosomal protein L25 / Ribosomal protein L11, N-terminal / Ribosomal protein L11, N-terminal domain / Ribosomal protein L11/L12 / Ribosomal protein L11, C-terminal / Ribosomal protein L11, C-terminal domain superfamily / Ribosomal protein L11/L12, N-terminal domain superfamily / Ribosomal protein L11, RNA binding domain / Ribosomal protein L11/L12 / Ribosomal protein L36 signature. / Ribosomal protein L28/L24 superfamily / Ribosomal protein L25/Gln-tRNA synthetase, N-terminal / Ribosomal protein L25/Gln-tRNA synthetase, anti-codon-binding domain superfamily / Ribosomal protein L32p, bacterial type / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / Ribosomal protein L28 / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L5, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein S19, bacterial-type / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L20 signature. / Ribosomal protein S7, bacterial/organellar-type
Similarity search - Domain/homology
FUSIDIC ACID / GUANOSINE-5'-DIPHOSPHATE / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 ...FUSIDIC ACID / GUANOSINE-5'-DIPHOSPHATE / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein uL15 / Elongation factor G / Large ribosomal subunit protein uL10 / Large ribosomal subunit protein uL11 / Large ribosomal subunit protein bL12 / 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 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 (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 6.8 Å
AuthorsRamrath, D.J.F. / Lancaster, L. / Sprink, T. / Mielke, T. / Loerke, J. / Noller, H.F. / Spahn, C.M.T.
CitationJournal: Proc Natl Acad Sci U S A / Year: 2013
Title: Visualization of two transfer RNAs trapped in transit during elongation factor G-mediated translocation.
Authors: David J F Ramrath / Laura Lancaster / Thiemo Sprink / Thorsten Mielke / Justus Loerke / Harry F Noller / Christian M T Spahn /
Abstract: During protein synthesis, coupled translocation of messenger RNAs (mRNA) and transfer RNAs (tRNA) through the ribosome takes place following formation of each peptide bond. The reaction is ...During protein synthesis, coupled translocation of messenger RNAs (mRNA) and transfer RNAs (tRNA) through the ribosome takes place following formation of each peptide bond. The reaction is facilitated by large-scale conformational changes within the ribosomal complex and catalyzed by elongtion factor G (EF-G). Previous structural analysis of the interaction of EF-G with the ribosome used either model complexes containing no tRNA or only a single tRNA, or complexes where EF-G was directly bound to ribosomes in the posttranslocational state. Here, we present a multiparticle cryo-EM reconstruction of a translocation intermediate containing two tRNAs trapped in transit, bound in chimeric intrasubunit ap/P and pe/E hybrid states. The downstream ap/P-tRNA is contacted by domain IV of EF-G and P-site elements within the 30S subunit body, whereas the upstream pe/E-tRNA maintains tight interactions with P-site elements of the swiveled 30S head. Remarkably, a tight compaction of the tRNA pair can be seen in this state. The translocational intermediate presented here represents a previously missing link in understanding the mechanism of translocation, revealing that the ribosome uses two distinct molecular ratchets, involving both intra- and intersubunit rotational movements, to drive the synchronous movement of tRNAs and mRNA.
History
DepositionOct 27, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 9, 2014Provider: repository / Type: Initial release
SupersessionDec 10, 2014ID: 3J5N, 3J5O
Revision 1.1Dec 10, 2014Group: Other
Revision 1.2Apr 15, 2015Group: Other
Revision 1.3Jul 18, 2018Group: Data collection / Category: em_software / Item: _em_software.image_processing_id
Revision 1.4Dec 18, 2019Group: Derived calculations / Other / Category: atom_sites / struct_conn
Item: _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] ..._atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][3] / _struct_conn.pdbx_leaving_atom_flag

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Structure visualization

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Assembly

Deposited unit
AA: 16S ribosomal RNA
AB: 30S ribosomal protein S2
AC: 30S ribosomal protein S3
AD: 30S ribosomal protein S4
AE: 30S ribosomal protein S5
AF: 30S ribosomal protein S6
AG: 30S ribosomal protein S7
AH: 30S ribosomal protein S8
AI: 30S ribosomal protein S9
AJ: 30S ribosomal protein S10
AK: 30S ribosomal protein S11
AL: 30S ribosomal protein S12
AM: 30S ribosomal protein S13
AN: 30S ribosomal protein S14
AO: 30S ribosomal protein S15
AP: 30S ribosomal protein S16
AQ: 30S ribosomal protein S17
AR: 30S ribosomal protein S18
AS: 30S ribosomal protein S19
AT: 30S ribosomal protein S20
AU: 30S ribosomal protein S21
AV: modified formyl-methionine specific initiator transfer RNA
AW: formyl-methionine specific initiator transfer RNA
AX: messenger RNA
AY: Elongation Factor G
BB: 5S ribosomal RNA
BC: 50S ribosomal protein L2
BA: 23S ribosomal RNA
BD: 50S ribosomal protein L3
BE: 50S ribosomal protein L4
BF: 50S ribosomal protein L5
BG: 50S ribosomal protein L6
BH: 50S ribosomal protein L9
BI: 50S ribosomal protein L11
BJ: 50S ribosomal protein L13
BK: 50S ribosomal protein L14
BL: 50S ribosomal protein L15
BM: 50S ribosomal protein L16
BN: 50S ribosomal protein L17
BO: 50S ribosomal protein L18
BP: 50S ribosomal protein L19
BQ: 50S ribosomal protein L20
BR: 50S ribosomal protein L21
BS: 50S ribosomal protein L22
BT: 50S ribosomal protein L23
BU: 50S ribosomal protein L24
BV: 50S ribosomal protein L25
BW: 50S ribosomal protein L27
BX: 50S ribosomal protein L28
BY: 50S ribosomal protein L29
BZ: 50S ribosomal protein L30
B0: 50S ribosomal protein L32
B1: 50S ribosomal protein L33
B2: 50S ribosomal protein L34
B3: 50S ribosomal protein L35
B4: 50S ribosomal protein L36
B5: 50S ribosomal protein L10
B6: 50S ribosomal protein L7/L12
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,301,17660
Polymers2,300,21658
Non-polymers9602
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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RNA chain , 6 types, 6 molecules AAAVAWAXBBBA

#1: RNA chain 16S ribosomal RNA


Mass: 499690.031 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: GenBank: AP012306.1
#22: RNA chain modified formyl-methionine specific initiator transfer RNA


Mass: 24816.811 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12
#23: RNA chain formyl-methionine specific initiator transfer RNA


Mass: 24728.689 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12
#24: RNA chain messenger RNA


Mass: 6204.834 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12
#26: RNA chain 5S ribosomal RNA


Mass: 38790.090 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: GenBank: AP012306.1
#28: RNA chain 23S ribosomal RNA


Mass: 941612.375 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: GenBank: AP012306.1

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

#2: Protein 30S ribosomal protein S2


Mass: 26781.670 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7V0
#3: Protein 30S ribosomal protein S3


Mass: 26031.316 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7V3
#4: Protein 30S ribosomal protein S4


Mass: 23514.199 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7V8
#5: Protein 30S ribosomal protein S5


Mass: 17629.398 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7W1
#6: Protein 30S ribosomal protein S6


Mass: 15727.512 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P02358
#7: Protein 30S ribosomal protein S7


Mass: 20055.156 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P02359
#8: Protein 30S ribosomal protein S8


Mass: 14146.557 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7W7
#9: Protein 30S ribosomal protein S9


Mass: 14886.270 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7X3
#10: Protein 30S ribosomal protein S10


Mass: 11755.597 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7R5
#11: Protein 30S ribosomal protein S11


Mass: 13870.975 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7R9
#12: Protein 30S ribosomal protein S12


Mass: 13768.157 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7S3
#13: Protein 30S ribosomal protein S13


Mass: 13128.467 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7S9
#14: Protein 30S ribosomal protein S14


Mass: 11606.560 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AG59
#15: Protein 30S ribosomal protein S15


Mass: 10290.816 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0ADZ4
#16: Protein 30S ribosomal protein S16


Mass: 9207.572 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7T3
#17: Protein 30S ribosomal protein S17


Mass: 9724.491 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AG63
#18: Protein 30S ribosomal protein S18


Mass: 9005.472 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7T7
#19: Protein 30S ribosomal protein S19


Mass: 10455.355 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7U3
#20: Protein 30S ribosomal protein S20


Mass: 9708.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7U7
#21: Protein 30S ribosomal protein S21


Mass: 8524.039 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P68679

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Protein , 1 types, 1 molecules AY

#25: Protein Elongation Factor G


Mass: 77676.227 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A6M8

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50S ribosomal protein ... , 31 types, 31 molecules BCBDBEBFBGBHBIBJBKBLBMBNBOBPBQBRBSBTBUBVBWBXBYBZB0B1B2B3B4B5B6

#27: Protein 50S ribosomal protein L2


Mass: 29923.619 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P60422
#29: Protein 50S ribosomal protein L3


Mass: 22277.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P60438
#30: Protein 50S ribosomal protein L4


Mass: 22121.566 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P60723
#31: Protein 50S ribosomal protein L5


Mass: 20333.611 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P62399
#32: Protein 50S ribosomal protein L6


Mass: 18932.791 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AG55
#33: Protein/peptide 50S ribosomal protein L9


Mass: 5467.367 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7R1
#34: Protein 50S ribosomal protein L11


Mass: 14894.362 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7J7
#35: Protein 50S ribosomal protein L13


Mass: 16050.606 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AA10
#36: Protein 50S ribosomal protein L14


Mass: 13565.067 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0ADY3
#37: Protein 50S ribosomal protein L15


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


Mass: 15312.269 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0ADY7
#39: Protein 50S ribosomal protein L17


Mass: 14393.657 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AG44
#40: Protein 50S ribosomal protein L18


Mass: 12794.668 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0C018
#41: Protein 50S ribosomal protein L19


Mass: 13159.278 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7K6
#42: Protein 50S ribosomal protein L20


Mass: 13528.024 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7L3
#43: Protein 50S ribosomal protein L21


Mass: 11586.374 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AG48
#44: Protein 50S ribosomal protein L22


Mass: 12253.359 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P61175
#45: Protein 50S ribosomal protein L23


Mass: 11222.160 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0ADZ0
#46: Protein 50S ribosomal protein L24


Mass: 11339.250 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P60624
#47: Protein 50S ribosomal protein L25


Mass: 10713.465 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P68919
#48: Protein 50S ribosomal protein L27


Mass: 9146.540 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7L8
#49: Protein 50S ribosomal protein L28


Mass: 9027.551 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7M2
#50: Protein 50S ribosomal protein L29


Mass: 7286.464 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7M6
#51: Protein 50S ribosomal protein L30


Mass: 6554.820 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0AG51
#52: Protein 50S ribosomal protein L32


Mass: 6463.445 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7N4
#53: Protein 50S ribosomal protein L33


Mass: 6388.631 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7N9
#54: Protein/peptide 50S ribosomal protein L34


Mass: 5397.463 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7P5
#55: Protein 50S ribosomal protein L35


Mass: 7313.032 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7Q1
#56: Protein/peptide 50S ribosomal protein L36


Mass: 4377.390 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7Q6
#57: Protein 50S ribosomal protein L10


Mass: 17736.596 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7J3
#58: Protein 50S ribosomal protein L7/L12


Mass: 12309.155 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Escherichia coli (E. coli) / Strain: K-12 / References: UniProt: P0A7K2

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Non-polymers , 2 types, 2 molecules

#59: Chemical ChemComp-FUA / FUSIDIC ACID


Mass: 516.709 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C31H48O6 / Comment: antibiotic, Antimicrobial*YM
#60: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM

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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: ribosomal 70S-EF-G complex / Type: RIBOSOME / Details: in vitro reconstituted ribosomal complex, monomer
Molecular weightValue: 3 MDa / Experimental value: YES
Buffer solutionName: 80 mM HEPES potassium, 75 mM NH4Cl, 10 mM MgCl2, 6 mM BME
pH: 7.6
Details: 80 mM HEPES potassium, 75 mM NH4Cl, 10 mM MgCl2, 6 mM BME
SpecimenConc.: 0.15 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportDetails: Quantifoil R3-3 Cu mesh with 2 nm carbon support film
VitrificationInstrument: FEI VITROBOT MARK I / Cryogen name: ETHANE / Temp: 96 K / Humidity: 100 %
Details: Blot for 5-10 seconds before plunging into liquid ethane (FEI VITROBOT MARK I)
Method: blot for 5-10 seconds before plunging

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Electron microscopy imaging

Experimental equipment
Model: Tecnai Polara / Image courtesy: FEI Company
MicroscopyModel: FEI POLARA 300 / Date: Jun 14, 2010
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: SPOT SCAN
Electron lensMode: BRIGHT FIELD / Nominal magnification: 39000 X / Calibrated magnification: 39000 X / Nominal defocus max: 5000 nm / Nominal defocus min: 2000 nm / Camera length: 0 mm
Specimen holderSpecimen holder model: GATAN HELIUM / Temperature: 77 K / Tilt angle max: 0 ° / Tilt angle min: 0 °
Image recordingElectron dose: 20 e/Å2 / Film or detector model: KODAK SO-163 FILM
Image scansNum. digital images: 308
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1

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Processing

EM software
IDNameCategory
1UCSF Chimeramodel fitting
2SPIDER3D reconstruction
CTF correctionDetails: The volumes were CTF-corrected in defocus groups with an average of approximately 906 individual images per group.
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionMethod: angular refinement / Resolution: 6.8 Å / Resolution method: FSC 0.5 CUT-OFF / Num. of particles: 279309 / Nominal pixel size: 1.26 Å / Actual pixel size: 1.26 Å / Details: (Single particle--Applied symmetry: C1) / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT / Space: REAL / Details: REFINEMENT PROTOCOL--rigid body
Atomic model buildingPDB-ID: 4KIY

4kiy
PDB Unreleased entry

RefinementHighest resolution: 6.8 Å
Refinement stepCycle: LAST / Highest resolution: 6.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms23752 36586 65 0 60403

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