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- PDB-7mt2: Mtb 70S initiation complex -

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Basic information

Entry
Database: PDB / ID: 7mt2
TitleMtb 70S initiation complex
Components
  • (30S ribosomal protein ...) x 18
  • (50S ribosomal protein ...) x 31
  • 16S rRNA
  • 23S rRNA23S ribosomal RNA
  • 5S rRNA5S ribosomal RNA
  • initiator tRNA (Met)
  • mRNAMessenger RNA
KeywordsRIBOSOME / Mycobacterium tuberculosis / ABCF ribosome complex / Antibiotic
Function / homology
Function and homology information


peptidoglycan-based cell wall / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit / regulation of translation / cytoplasmic translation / small ribosomal subunit / 5S rRNA binding ...peptidoglycan-based cell wall / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / ribosomal small subunit assembly / cytosolic small ribosomal subunit / large ribosomal subunit / regulation of translation / cytoplasmic translation / small ribosomal subunit / 5S rRNA binding / cytosolic large ribosomal subunit / transferase activity / tRNA binding / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / response to antibiotic / mRNA binding / RNA binding / zinc ion binding / metal ion binding / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Ribosomal protein L1, bacterial-type / 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 L1, conserved site / Ribosomal protein L1 / Ribosomal protein L1 signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich ...Ribosomal protein L1, bacterial-type / 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 L1, conserved site / Ribosomal protein L1 / Ribosomal protein L1 signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Ribosomal protein L1-like / Ribosomal protein L1/ribosomal biogenesis protein / Ribosomal protein L1p/L10e family / Ribosomal protein L31 type A / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / 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 S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 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 S4, bacterial-type / Ribosomal protein L14P, 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 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 / Ribosomal protein S18, conserved site / Ribosomal protein S18 signature. / L28p-like / Ribosomal protein L20
Similarity search - Domain/homology
N-FORMYLMETHIONINE / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein uL14 ...N-FORMYLMETHIONINE / : / : / : / : / RNA / RNA (> 10) / RNA (> 100) / RNA (> 1000) / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL13 / 30S ribosomal protein THX / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein bS18A / Small ribosomal subunit protein uS17 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS14B / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein uS10 / Large ribosomal subunit protein bL9 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein bL36 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL33B / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL31 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein bL25 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein uL1 / Large ribosomal subunit protein bL19 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL15
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
Mycobacterium tuberculosis H37Rv (bacteria)
Escherichia coli (E. coli)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.76 Å
AuthorsCui, Z. / Zhang, J.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)P01AI095208 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)U24GM116787 United States
CitationJournal: Nat Commun / Year: 2022
Title: Interplay between an ATP-binding cassette F protein and the ribosome from Mycobacterium tuberculosis.
Authors: Zhicheng Cui / Xiaojun Li / Joonyoung Shin / Howard Gamper / Ya-Ming Hou / James C Sacchettini / Junjie Zhang /
Abstract: EttA, energy-dependent translational throttle A, is a ribosomal factor that gates ribosome entry into the translation elongation cycle. A detailed understanding of its mechanism of action is limited ...EttA, energy-dependent translational throttle A, is a ribosomal factor that gates ribosome entry into the translation elongation cycle. A detailed understanding of its mechanism of action is limited due to the lack of high-resolution structures along its ATPase cycle. Here we present the cryo-electron microscopy (cryo-EM) structures of EttA from Mycobacterium tuberculosis (Mtb), referred to as MtbEttA, in complex with the Mtb 70S ribosome initiation complex (70SIC) at the pre-hydrolysis (ADPNP) and transition (ADP-VO) states, and the crystal structure of MtbEttA alone in the post-hydrolysis (ADP) state. We observe that MtbEttA binds the E-site of the Mtb 70SIC, remodeling the P-site tRNA and the ribosomal intersubunit bridge B7a during the ribosomal ratcheting. In return, the rotation of the 30S causes conformational changes in MtbEttA, forcing the two nucleotide-binding sites (NBSs) to alternate to engage each ADPNP in the pre-hydrolysis states, followed by complete engagements of both ADP-VO molecules in the ATP-hydrolysis transition states. In the post-hydrolysis state, the conserved ATP-hydrolysis motifs of MtbEttA dissociate from both ADP molecules, leaving two nucleotide-binding domains (NBDs) in an open conformation. These structures reveal a dynamic interplay between MtbEttA and the Mtb ribosome, providing insights into the mechanism of translational regulation by EttA-like proteins.
History
DepositionMay 12, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 2, 2022Provider: repository / Type: Initial release
Revision 1.1Feb 9, 2022Group: Database references / Category: citation
Item: _citation.page_first / _citation.page_last ..._citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title

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Structure visualization

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  • EMDB-23974
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Structure viewerMolecule:
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Assembly

Deposited unit
0: 50S ribosomal protein L32
1: 50S ribosomal protein L33 2
2: 50S ribosomal protein L34
3: 50S ribosomal protein L35
4: 50S ribosomal protein L36
6: 50S ribosomal protein L31
7: 50S ribosomal protein L37
8: 50S ribosomal protein L1
A: 23S rRNA
B: 5S rRNA
C: 50S ribosomal protein L2
D: 50S ribosomal protein L3
E: 50S ribosomal protein L4
F: 50S ribosomal protein L5
G: 50S ribosomal protein L6
H: 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
a: 16S rRNA
c: 30S ribosomal protein S3
d: 30S ribosomal protein S4
e: 30S ribosomal protein S5
f: 30S ribosomal protein S6
g: 30S ribosomal protein S7
h: 30S ribosomal protein S8
i: 30S ribosomal protein S9
j: 30S ribosomal protein S10
k: 30S ribosomal protein S11
l: 30S ribosomal protein S12
m: 30S ribosomal protein S13
n: 30S ribosomal protein S14 type Z
o: 30S ribosomal protein S15
p: 30S ribosomal protein S16
q: 30S ribosomal protein S17
r: 30S ribosomal protein S18 1
s: 30S ribosomal protein S19
t: 30S ribosomal protein S20
y: initiator tRNA (Met)
z: mRNA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,304,144504
Polymers2,292,80754
Non-polymers11,337450
Water0
1


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

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Components

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50S ribosomal protein ... , 31 types, 31 molecules 01234678CDEFGHJKLMNOPQRSTUVWXYZ

#1: Protein 50S ribosomal protein L32 /


Mass: 6525.757 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH99
#2: Protein 50S ribosomal protein L33 2 / Ribosome


Mass: 6512.581 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH95
#3: Protein/peptide 50S ribosomal protein L34 /


Mass: 5643.697 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH93
#4: Protein 50S ribosomal protein L35 /


Mass: 7241.430 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH91
#5: Protein/peptide 50S ribosomal protein L36 / / Ribosomal protein B


Mass: 4323.239 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH89
#6: Protein 50S ribosomal protein L31 /


Mass: 8770.074 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHA1
#7: Protein/peptide 50S ribosomal protein L37 /


Mass: 2882.402 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: A0A3E0UTA6
#8: Protein 50S ribosomal protein L1 /


Mass: 24793.420 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHC7
#11: Protein 50S ribosomal protein L2 /


Mass: 30644.002 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHA5
#12: Protein 50S ribosomal protein L3 /


Mass: 23127.533 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH87
#13: Protein 50S ribosomal protein L4 /


Mass: 23779.936 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH85
#14: Protein 50S ribosomal protein L5 /


Mass: 21052.303 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH83
#15: Protein 50S ribosomal protein L6 /


Mass: 19408.363 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH81
#16: Protein 50S ribosomal protein L9 /


Mass: 16196.654 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH79
#17: Protein 50S ribosomal protein L13 /


Mass: 21646.121 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: A0A0T9D5H2
#18: Protein 50S ribosomal protein L14 /


Mass: 13419.649 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: A0A045HTP7
#19: Protein 50S ribosomal protein L15 /


Mass: 15566.126 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHD7
#20: Protein 50S ribosomal protein L16 /


Mass: 15724.277 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHD5
#21: Protein 50S ribosomal protein L17 /


Mass: 19512.273 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHD3
#22: Protein 50S ribosomal protein L18 /


Mass: 13211.122 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHD1
#23: Protein 50S ribosomal protein L19 /


Mass: 13041.126 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHC9
#24: Protein 50S ribosomal protein L20 /


Mass: 14557.777 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHC5
#25: Protein 50S ribosomal protein L21 /


Mass: 11173.147 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHC3
#26: Protein 50S ribosomal protein L22 /


Mass: 20424.594 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHC1
#27: Protein 50S ribosomal protein L23 /


Mass: 10976.785 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHB9
#28: Protein 50S ribosomal protein L24 /


Mass: 11500.274 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHB7
#29: Protein 50S ribosomal protein L25 / / General stress protein CTC


Mass: 22466.166 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHB5
#30: Protein 50S ribosomal protein L27 /


Mass: 8987.272 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHB3
#31: Protein 50S ribosomal protein L28 /


Mass: 6920.075 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: A0A045IDB8
#32: Protein 50S ribosomal protein L29 /


Mass: 8872.015 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHA7
#33: Protein 50S ribosomal protein L30 /


Mass: 7361.569 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WHA3

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RNA chain , 5 types, 5 molecules ABayz

#9: RNA chain 23S rRNA / 23S ribosomal RNA


Mass: 1017834.562 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis H37Rv (bacteria)
References: GenBank: 1251771536
#10: RNA chain 5S rRNA / 5S ribosomal RNA


Mass: 37097.238 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: GenBank: 1251771551
#34: RNA chain 16S rRNA /


Mass: 498401.750 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis H37Rv (bacteria)
Strain: ATCC 25618 / H37Rv / References: GenBank: 1464449751
#53: RNA chain initiator tRNA (Met)


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


Mass: 8470.186 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Mycobacterium tuberculosis (bacteria)

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30S ribosomal protein ... , 18 types, 18 molecules cdefghijklmnopqrst

#35: Protein 30S ribosomal protein S3 /


Mass: 30071.018 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH37
#36: Protein 30S ribosomal protein S4 /


Mass: 23515.898 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH35
#37: Protein 30S ribosomal protein S5 /


Mass: 22925.242 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH33
#38: Protein 30S ribosomal protein S6 /


Mass: 10952.728 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH31
#39: Protein 30S ribosomal protein S7 /


Mass: 17633.418 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH29
#40: Protein 30S ribosomal protein S8 /


Mass: 14432.563 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH27
#41: Protein 30S ribosomal protein S9 /


Mass: 16465.061 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH25
#42: Protein 30S ribosomal protein S10 /


Mass: 11452.340 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH67
#43: Protein 30S ribosomal protein S11 /


Mass: 14815.918 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH65
#44: Protein 30S ribosomal protein S12 /


Mass: 13882.341 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH63
#45: Protein 30S ribosomal protein S13 /


Mass: 14383.779 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH61
#46: Protein 30S ribosomal protein S14 type Z / Ribosome


Mass: 6841.249 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH57
#47: Protein 30S ribosomal protein S15 /


Mass: 10500.277 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH55
#48: Protein 30S ribosomal protein S16 /


Mass: 17466.100 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH53
#49: Protein 30S ribosomal protein S17 /


Mass: 14776.373 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH51
#50: Protein 30S ribosomal protein S18 1 / Ribosome


Mass: 9565.279 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH49
#51: Protein 30S ribosomal protein S19 /


Mass: 10830.629 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH45
#52: Protein 30S ribosomal protein S20 /


Mass: 9428.941 Da / Num. of mol.: 1 / Source method: isolated from a natural source
Source: (natural) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / References: UniProt: P9WH41

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Non-polymers , 3 types, 450 molecules

#55: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Zn
#56: Chemical...
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 443 / Source method: obtained synthetically / Formula: Mg
#57: Chemical ChemComp-FME / N-FORMYLMETHIONINE / N-Formylmethionine


Type: L-peptide linking / Mass: 177.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H11NO3S

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Details

Has ligand of interestN

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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: Mtb 70S initiation complex / Type: RIBOSOME / Entity ID: #1-#54 / Source: NATURAL
Molecular weightExperimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
11Mycobacterium tuberculosis H37Rv (bacteria)83332
21Escherichia coli (E. coli)562
31Mycobacterium tuberculosis (bacteria)1773
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid type: Quantifoil R2/1
VitrificationCryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 295 K

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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 / Cs: 2.7 mm
Image recordingElectron dose: 48 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameCategory
1Gautomatchparticle selection
2EPUimage acquisition
4GctfCTF correction
CTF correctionType: NONE
Particle selectionNum. of particles selected: 8949
3D reconstructionResolution: 2.76 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 116035 / Symmetry type: POINT

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