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- PDB-6wqn: Structure of the 50S subunit of the ribosome from Methicillin Res... -

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Basic information

Entry
Database: PDB / ID: 6wqn
TitleStructure of the 50S subunit of the ribosome from Methicillin Resistant Staphylococcus aureus in complex with the antibiotic, contezolid
Components
  • (50S ribosomal protein ...) x 25
  • 23S rRNA
  • 5S rRNA
KeywordsRIBOSOME / antibiotic / contezolid / oxazolidinone
Function / homology
Function and homology information


large ribosomal subunit / transferase activity / 5S rRNA binding / ribosomal large subunit assembly / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding ...large ribosomal subunit / transferase activity / 5S rRNA binding / ribosomal large subunit assembly / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / cytoplasmic translation / tRNA binding / negative regulation of translation / rRNA binding / structural constituent of ribosome / ribosome / translation / ribonucleoprotein complex / mRNA binding / RNA binding / cytoplasm
Similarity search - Function
Ribosomal protein L33 / Helix Hairpins - #3980 / Ribosomal protein L17 / 50s Ribosomal Protein L17; Chain: A, / Ribosomal Protein L25; Chain P / Ribosomal protein L2; domain 3 / Ribosomal protein L2, domain 3 / Ribosomal Protein L25; Chain P / Ribosomal protein L30/L7 / Nucleotidyltransferase; domain 5 - #100 ...Ribosomal protein L33 / Helix Hairpins - #3980 / Ribosomal protein L17 / 50s Ribosomal Protein L17; Chain: A, / Ribosomal Protein L25; Chain P / Ribosomal protein L2; domain 3 / Ribosomal protein L2, domain 3 / Ribosomal Protein L25; Chain P / Ribosomal protein L30/L7 / Nucleotidyltransferase; domain 5 - #100 / Ribosomal protein L16/L10 / Ribosomal Protein L14 / Ribosomal protein L14/L23 / Ribosomal Protein L15; Chain: K; domain 2 - #10 / Ribosomal protein L22/L17 / Ribosomal Protein L15; Chain: K; domain 2 / Ribosomal Protein L15; Chain: K; domain 2 / Ribosomal Protein L30; Chain: A, / Ribosomal Protein L22; Chain A / Aldehyde Oxidoreductase; domain 3 / Rubrerythrin, domain 2 / Ribosomal protein L25, long-form / Ribosomal protein L25, beta domain / Ribosomal protein L25, C-terminal / Ribosomal protein TL5, C-terminal domain / : / RRM (RNA recognition motif) domain / Single Sheet / Nucleic acid-binding proteins / Ribosomal protein L16 signature 1. / Ribosomal protein L16 signature 2. / Ribosomal protein L16, conserved site / : / 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 L18, bacterial-type / : / Ribosomal protein L5, bacterial-type / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / 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 L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L33 / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L33 / Ribosomal L28 family / Ribosomal protein L33 superfamily / Ribosomal protein L16 / Ribosomal protein L28/L24 / Ribosomal protein L30, bacterial-type / L28p-like / : / Ribosomal protein L27 / Ribosomal L27 protein / Ribosomal protein L20 / Ribosomal L32p protein family / Ribosomal protein L19 / Ribosomal protein L20 / Ribosomal protein L20, C-terminal / Ribosomal protein L19 / Ribosomal protein L19 superfamily / Ribosomal protein L21 / Ribosomal protein L32p / Large ribosomal subunit protein uL24, C-terminal domain / Ribosomal protein L17 / Ribosomal protein L17 superfamily / Ribosomal protein L17 / Ribosomal protein L21-like / L21-like superfamily / Ribosomal prokaryotic L21 protein / Ribosomal protein L34 / Ribosomal protein L34 / Ribosomal protein L24 / Few Secondary Structures
Similarity search - Domain/homology
Contezolid / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein bL36 ...Contezolid / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein bL36 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL33 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein bL21 / 50S ribosomal protein L4 / 50S ribosomal protein L29 / 50S ribosomal protein L25 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL30 / 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 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein bL36 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL33B / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL25 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein uL13 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL30
Similarity search - Component
Biological speciesStaphylococcus aureus (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsBelousoff, M.J.
Funding support United States, 1items
OrganizationGrant numberCountry
Department of Defense (DOD, United States)W81XWH1910126 United States
CitationJournal: ACS Pharmacol Transl Sci / Year: 2020
Title: Characterization of the Core Ribosomal Binding Region for the Oxazolidone Family of Antibiotics Using Cryo-EM.
Authors: Alexander Wright / Kieran Deane-Alder / Edward Marschall / Rebecca Bamert / Hari Venugopal / Trevor Lithgow / David W Lupton / Matthew J Belousoff /
Abstract: Linezolid and tedizolid are oxazolidinones with established clinical utility for the treatment of Gram-positive pathogens. Over time it has become apparent that even modest structural changes to the ...Linezolid and tedizolid are oxazolidinones with established clinical utility for the treatment of Gram-positive pathogens. Over time it has become apparent that even modest structural changes to the core phenyl oxazolidinone leads to drastic changes in biological activity. Consequently, the structure-activity relationship around the core oxazolidinone is constantly evolving, often reflected with new structural motifs present in nascent oxazolidinones. Herein we describe the use of cryo-electron microscopy to examine the differences in binding of several functionally different oxazolidinones in the hopes of enhanced understanding of their SAR. Tedizolid, radezolid, T145, and contezolid have been examined within the peptidyl transferase center (PTC) of the 50S ribosomal subunit from methicillin resistant . The ribosome-antibiotic complexes were resolved to a resolution of around 3 Å enabling unambiguous assignment of how each antibiotic interacts with the PTC.
History
DepositionApr 29, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 3, 2020Provider: repository / Type: Initial release
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Revision 1.1Dec 16, 2020Group: Database references / Category: citation / citation_author
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Revision 1.2Nov 20, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_admin / pdbx_entry_details / pdbx_modification_feature
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Structure visualization

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Assembly

Deposited unit
A: 50S ribosomal protein L19
B: 50S ribosomal protein L2
C: 50S ribosomal protein L20
D: 50S ribosomal protein L21
E: 50S ribosomal protein L22
F: 50S ribosomal protein L23
G: 50S ribosomal protein L24
H: 50S ribosomal protein L25
J: 50S ribosomal protein L28
K: 50S ribosomal protein L29
L: 50S ribosomal protein L3
M: 50S ribosomal protein L30
N: 50S ribosomal protein L32
O: 50S ribosomal protein L33
P: 50S ribosomal protein L34
Q: 50S ribosomal protein L35
R: 50S ribosomal protein L36
S: 50S ribosomal protein L4
V: 50S ribosomal protein L13
W: 50S ribosomal protein L14
X: 50S ribosomal protein L15
Y: 50S ribosomal protein L16
Z: 50S ribosomal protein L17
a: 50S ribosomal protein L18
1: 23S rRNA
2: 5S rRNA
I: 50S ribosomal protein L27
hetero molecules


Theoretical massNumber of molelcules
Total (without water)1,295,95728
Polymers1,295,54927
Non-polymers4081
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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50S ribosomal protein ... , 25 types, 25 molecules ABCDEFGHJKLMNOPQRSVWXYZaI

#1: Protein 50S ribosomal protein L19


Mass: 13392.771 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077UVB6, UniProt: Q2FZ42*PLUS
#2: Protein 50S ribosomal protein L2


Mass: 30217.164 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077W1J0, UniProt: P60430*PLUS
#3: Protein 50S ribosomal protein L20


Mass: 13720.295 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077VMP6, UniProt: Q2FXQ1*PLUS
#4: Protein 50S ribosomal protein L21


Mass: 11700.483 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A0E0VQU6, UniProt: Q2FXS8*PLUS
#5: Protein 50S ribosomal protein L22


Mass: 12871.947 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077UKF9, UniProt: Q2FW11*PLUS
#6: Protein 50S ribosomal protein L23


Mass: 10627.328 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: W8TUB4, UniProt: Q2FW08*PLUS
#7: Protein 50S ribosomal protein L24


Mass: 11591.530 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: W8TRD5, UniProt: Q2FW17*PLUS
#8: Protein 50S ribosomal protein L25


Mass: 12063.077 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A2X2JWH5, UniProt: Q2G0S0*PLUS
#9: Protein 50S ribosomal protein L28


Mass: 6967.235 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077URJ8, UniProt: Q2FZ60*PLUS
#10: Protein 50S ribosomal protein L29


Mass: 8491.820 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A2S6DIY7, UniProt: Q2FW14*PLUS
#11: Protein 50S ribosomal protein L3


Mass: 23459.922 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: W8U3W0, UniProt: Q2FW06*PLUS
#12: Protein 50S ribosomal protein L30


Mass: 6434.487 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: W8UVN7, UniProt: P0A0G2*PLUS
#13: Protein 50S ribosomal protein L32


Mass: 6472.556 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077UWR7, UniProt: Q2FZF1*PLUS
#14: Protein/peptide 50S ribosomal protein L33


Mass: 5885.783 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077UXT4, UniProt: Q2FY22*PLUS
#15: Protein/peptide 50S ribosomal protein L34


Mass: 6064.400 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: T1YD75, UniProt: Q2FUQ0*PLUS
#16: Protein 50S ribosomal protein L35


Mass: 7593.188 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077UL47, UniProt: Q2FXQ0*PLUS
#17: 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 (bacteria) / References: UniProt: A0A077UGV8, UniProt: Q2FW29*PLUS
#18: Protein 50S ribosomal protein L4


Mass: 22523.752 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A166DK89, UniProt: Q2FW07*PLUS
#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 (bacteria) / References: UniProt: W8TUE6, UniProt: Q2FW38*PLUS
#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 (bacteria) / References: UniProt: A0A077UUA0, UniProt: Q2FW16*PLUS
#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 (bacteria) / References: UniProt: A0A077UGA7, UniProt: P0A0F8*PLUS
#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 (bacteria) / References: UniProt: A0A077V4G0, UniProt: Q2FW13*PLUS
#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 (bacteria) / References: UniProt: A0A077UG91, UniProt: Q2FW33*PLUS
#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 (bacteria) / References: UniProt: W8TRE0, UniProt: Q2FW22*PLUS
#27: Protein 50S ribosomal protein L27


Mass: 9198.369 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: UniProt: A0A077ULC5, UniProt: Q2FXT0*PLUS

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RNA chain , 2 types, 2 molecules 12

#25: RNA chain 23S rRNA


Mass: 946680.625 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: GenBank: 1760383645
#26: RNA chain 5S rRNA


Mass: 36957.961 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Staphylococcus aureus (bacteria) / References: GenBank: 1750990749

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Non-polymers , 1 types, 1 molecules

#28: Chemical ChemComp-ZC0 / Contezolid / MRX-I


Mass: 408.331 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C18H15F3N4O4 / Feature type: SUBJECT OF INVESTIGATION

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Details

Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: 50S ribosomal subunit / Type: RIBOSOME / Entity ID: #1-#27 / Source: NATURAL
Molecular weightExperimental value: NO
Source (natural)Organism: Staphylococcus aureus (bacteria)
Buffer solutionpH: 7.4
SpecimenConc.: 0.3 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

MicroscopyModel: TFS GLACIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 47 e/Å2 / Detector mode: COUNTING / Film or detector model: FEI FALCON III (4k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.18rc1_3777: / Classification: refinement
EM softwareName: PHENIX / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 127000 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00188471
ELECTRON MICROSCOPYf_angle_d0.23133283
ELECTRON MICROSCOPYf_dihedral_angle_d14.89336598
ELECTRON MICROSCOPYf_chiral_restr0.0217183
ELECTRON MICROSCOPYf_plane_restr0.0026419

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