6XXD

CryoEM structure of the type IV pilin PilA4 from Thermus thermophilus

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.22 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history. 


Literature

Cryo-electron microscopy reveals two distinct type IV pili assembled by the same bacterium.

Neuhaus, A., Selvaraj, M., Salzer, R., Langer, J.D., Kruse, K., Kirchner, L., Sanders, K., Daum, B., Averhoff, B., Gold, V.A.M.

(2020) Nat Commun 11: 2231-2231

  • DOI: 10.1038/s41467-020-15650-w
  • Primary Citation of Related Structures:  
    6XXD, 6XXE

  • PubMed Abstract: 

    • Type IV pili are flexible filaments on the surface of bacteria, consisting of a helical assembly of pilin proteins. They are involved in bacterial motility (twitching), surface adhesion, biofilm formation and DNA uptake (natural transformation). Here, we use cryo-electron microscopy and mass spectrometry to show that the bacterium Thermus thermophilus produces two forms of type IV pilus ('wide' and 'narrow'), differing in structure and protein composition ...

    Type IV pili are flexible filaments on the surface of bacteria, consisting of a helical assembly of pilin proteins. They are involved in bacterial motility (twitching), surface adhesion, biofilm formation and DNA uptake (natural transformation). Here, we use cryo-electron microscopy and mass spectrometry to show that the bacterium Thermus thermophilus produces two forms of type IV pilus ('wide' and 'narrow'), differing in structure and protein composition. Wide pili are composed of the major pilin PilA4, while narrow pili are composed of a so-far uncharacterized pilin which we name PilA5. Functional experiments indicate that PilA4 is required for natural transformation, while PilA5 is important for twitching motility.

    Organizational Affiliation: 

    College of Life and Environmental Sciences, Geoffrey Pope, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK. v.a.m.gold@exeter.ac.uk.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
PilA
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
125Thermus thermophilus HB27Mutation(s): 0 
Gene Names: pilA4, TT_C0858
Membrane Entity: Yes 
UniProt
Find proteins for Q72JC0 (Thermus thermophilus (strain ATCC BAA-163 / DSM 7039 / HB27))
Explore Q72JC0 
Go to UniProtKB:  Q72JC0
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ72JC0
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.22 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

Structure Validation

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View more in-depth experimental data

Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
Biotechnology and Biological Sciences Research Council (BBSRC)United KingdomBB/R008639/1

Revision History  (Full details and data files)

  • Version 1.0: 2020-03-11
    Type: Initial release
  • Version 1.1: 2020-05-13
    Changes: Database references
  • Version 1.2: 2020-05-20
    Changes: Database references