5WNQ

Crystal Structure of 30S ribosomal subunit from Thermus thermophilus

  • Classification: RIBOSOME
  • Organism(s): Thermus thermophilus HB8
  • Mutation(s): No 

  • Deposited: 2017-08-01 Released: 2018-02-21 
  • Deposition Author(s): DeMirci, H.
  • Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.199 
  • R-Value Observed: 0.199 

wwPDB Validation   3D Report Full Report


This is version 1.4 of the entry. See complete history


Literature

2'-O-methylation in mRNA disrupts tRNA decoding during translation elongation.

Choi, J.Indrisiunaite, G.DeMirci, H.Ieong, K.W.Wang, J.Petrov, A.Prabhakar, A.Rechavi, G.Dominissini, D.He, C.Ehrenberg, M.Puglisi, J.D.

(2018) Nat Struct Mol Biol 25: 208-216

  • DOI: https://doi.org/10.1038/s41594-018-0030-z
  • Primary Citation of Related Structures:  
    5WNP, 5WNQ, 5WNR, 5WNS, 5WNT, 5WNU, 5WNV

  • PubMed Abstract: 

    Chemical modifications of mRNA may regulate many aspects of mRNA processing and protein synthesis. Recently, 2'-O-methylation of nucleotides was identified as a frequent modification in translated regions of human mRNA, showing enrichment in codons for certain amino acids. Here, using single-molecule, bulk kinetics and structural methods, we show that 2'-O-methylation within coding regions of mRNA disrupts key steps in codon reading during cognate tRNA selection. Our results suggest that 2'-O-methylation sterically perturbs interactions of ribosomal-monitoring bases (G530, A1492 and A1493) with cognate codon-anticodon helices, thereby inhibiting downstream GTP hydrolysis by elongation factor Tu (EF-Tu) and A-site tRNA accommodation, leading to excessive rejection of cognate aminoacylated tRNAs in initial selection and proofreading. Our current and prior findings highlight how chemical modifications of mRNA tune the dynamics of protein synthesis at different steps of translation elongation.


  • Organizational Affiliation

    Department of Structural Biology, Stanford University School of Medicine, Stanford, CA, USA.


Macromolecules

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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S2234Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S3206Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S4208Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S5150Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S6101Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S7155Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S8138Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S9127Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S1098Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S11116Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S12124Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S13118Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S14 type Z60Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S1587Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S1683Thermus thermophilus HB8Mutation(s): 0 
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S1799Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S1870Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S1980Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein S2099Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
30S ribosomal protein Thx24Thermus thermophilus HB8Mutation(s): 0 
UniProt
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Entity ID: 1
MoleculeChains LengthOrganismImage
16S Ribosomal RNA rRNA1,522Thermus thermophilus HB8
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download Ideal Coordinates CCD File 
DJ [auth D],
MJ [auth N]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG
Query on MG

Download Ideal Coordinates CCD File 
AA [auth A]
AB [auth A]
AC [auth A]
AD [auth A]
AE [auth A]
AA [auth A],
AB [auth A],
AC [auth A],
AD [auth A],
AE [auth A],
AF [auth A],
AG [auth A],
AH [auth A],
AI [auth A],
AJ [auth C],
BA [auth A],
BB [auth A],
BC [auth A],
BD [auth A],
BE [auth A],
BF [auth A],
BG [auth A],
BH [auth A],
BI [auth A],
BJ [auth C],
CA [auth A],
CB [auth A],
CC [auth A],
CD [auth A],
CE [auth A],
CF [auth A],
CG [auth A],
CH [auth A],
CI [auth A],
CJ [auth C],
DA [auth A],
DB [auth A],
DC [auth A],
DD [auth A],
DE [auth A],
DF [auth A],
DG [auth A],
DH [auth A],
DI [auth A],
EA [auth A],
EB [auth A],
EC [auth A],
ED [auth A],
EE [auth A],
EF [auth A],
EG [auth A],
EH [auth A],
EI [auth A],
EJ [auth D],
FA [auth A],
FB [auth A],
FC [auth A],
FD [auth A],
FE [auth A],
FF [auth A],
FG [auth A],
FH [auth A],
FI [auth A],
FJ [auth D],
GA [auth A],
GB [auth A],
GC [auth A],
GD [auth A],
GE [auth A],
GF [auth A],
GG [auth A],
GH [auth A],
GI [auth A],
GJ [auth D],
HA [auth A],
HB [auth A],
HC [auth A],
HD [auth A],
HE [auth A],
HF [auth A],
HG [auth A],
HH [auth A],
HI [auth A],
HJ [auth D],
IA [auth A],
IB [auth A],
IC [auth A],
ID [auth A],
IE [auth A],
IF [auth A],
IG [auth A],
IH [auth A],
II [auth A],
IJ [auth E],
JA [auth A],
JB [auth A],
JC [auth A],
JD [auth A],
JE [auth A],
JF [auth A],
JG [auth A],
JH [auth A],
JI [auth A],
JJ [auth E],
KA [auth A],
KB [auth A],
KC [auth A],
KD [auth A],
KE [auth A],
KF [auth A],
KG [auth A],
KH [auth A],
KI [auth A],
KJ [auth F],
LA [auth A],
LB [auth A],
LC [auth A],
LD [auth A],
LE [auth A],
LF [auth A],
LG [auth A],
LH [auth A],
LI [auth A],
LJ [auth I],
MA [auth A],
MB [auth A],
MC [auth A],
MD [auth A],
ME [auth A],
MF [auth A],
MG [auth A],
MH [auth A],
MI [auth A],
NA [auth A],
NB [auth A],
NC [auth A],
ND [auth A],
NE [auth A],
NF [auth A],
NG [auth A],
NH [auth A],
NI [auth A],
NJ [auth P],
OA [auth A],
OB [auth A],
OC [auth A],
OD [auth A],
OE [auth A],
OF [auth A],
OG [auth A],
OH [auth A],
OI [auth A],
OJ [auth P],
PA [auth A],
PB [auth A],
PC [auth A],
PD [auth A],
PE [auth A],
PF [auth A],
PG [auth A],
PH [auth A],
PI [auth A],
PJ [auth Q],
QA [auth A],
QB [auth A],
QC [auth A],
QD [auth A],
QE [auth A],
QF [auth A],
QG [auth A],
QH [auth A],
QI [auth A],
QJ [auth S],
RA [auth A],
RB [auth A],
RC [auth A],
RD [auth A],
RE [auth A],
RF [auth A],
RG [auth A],
RH [auth A],
RI [auth A],
SA [auth A],
SB [auth A],
SC [auth A],
SD [auth A],
SE [auth A],
SF [auth A],
SG [auth A],
SH [auth A],
SI [auth A],
TA [auth A],
TB [auth A],
TC [auth A],
TD [auth A],
TE [auth A],
TF [auth A],
TG [auth A],
TH [auth A],
TI [auth A],
UA [auth A],
UB [auth A],
UC [auth A],
UD [auth A],
UE [auth A],
UF [auth A],
UG [auth A],
UH [auth A],
UI [auth A],
V [auth A],
VA [auth A],
VB [auth A],
VC [auth A],
VD [auth A],
VE [auth A],
VF [auth A],
VG [auth A],
VH [auth A],
VI [auth A],
W [auth A],
WA [auth A],
WB [auth A],
WC [auth A],
WD [auth A],
WE [auth A],
WF [auth A],
WG [auth A],
WH [auth A],
WI [auth A],
X [auth A],
XA [auth A],
XB [auth A],
XC [auth A],
XD [auth A],
XE [auth A],
XF [auth A],
XG [auth A],
XH [auth A],
XI [auth A],
Y [auth A],
YA [auth A],
YB [auth A],
YC [auth A],
YD [auth A],
YE [auth A],
YF [auth A],
YG [auth A],
YH [auth A],
YI [auth B],
Z [auth A],
ZA [auth A],
ZB [auth A],
ZC [auth A],
ZD [auth A],
ZE [auth A],
ZF [auth A],
ZG [auth A],
ZH [auth A],
ZI [auth B]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
0TD
Query on 0TD
L
L-PEPTIDE LINKINGC5 H9 N O4 SASP
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.50 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.199 
  • R-Value Observed: 0.199 
  • Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 400α = 90
b = 400β = 90
c = 173γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XSCALEdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
PHENIXphasing

Structure Validation

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Entry History & Funding Information

Deposition Data

  • Released Date: 2018-02-21 
  • Deposition Author(s): DeMirci, H.

Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesGM51266
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesGM099687

Revision History  (Full details and data files)

  • Version 1.0: 2018-02-21
    Type: Initial release
  • Version 1.1: 2018-03-07
    Changes: Database references
  • Version 1.2: 2018-03-14
    Changes: Database references
  • Version 1.3: 2020-01-01
    Changes: Author supporting evidence
  • Version 1.4: 2020-10-21
    Changes: Data collection, Derived calculations