7TCG

BceAB nucleotide-free conformation


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Conformational snapshots of the bacitracin sensing and resistance transporter BceAB.

George, N.L.Schilmiller, A.L.Orlando, B.J.

(2022) Proc Natl Acad Sci U S A 119: e2123268119-e2123268119

  • DOI: https://doi.org/10.1073/pnas.2123268119
  • Primary Citation of Related Structures:  
    7TCG, 7TCH

  • PubMed Abstract: 

    SignificanceMany gram-positive organisms have evolved an elegant solution to sense and resist antimicrobial peptides that inhibit cell-wall synthesis. These organisms express an unusual "Bce-type" adenosine triphosphate-binding cassette (ABC) transporter that recognizes complexes formed between antimicrobial peptides and lipids involved in cell-wall biosynthesis. In this work, we provide the first structural snapshots of a Bce-type ABC transporter trapped in different conformational states. Our structures and associated biochemical data provide key insights into the novel target protection mechanism that these unusual ABC transporters use to sense and resist antimicrobial peptides. The studies described herein set the stage to begin developing a comprehensive molecular understanding of the diverse interactions between antimicrobial peptides and conserved resistance machinery found across most gram-positive organisms.


  • Organizational Affiliation

    Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Bacitracin export permease protein BceB646Bacillus subtilis subsp. subtilis str. 168Mutation(s): 0 
Gene Names: bceBbarDytsDBSU30370
Membrane Entity: Yes 
UniProt
Find proteins for O34741 (Bacillus subtilis (strain 168))
Explore O34741 
Go to UniProtKB:  O34741
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO34741
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Bacitracin export ATP-binding protein BceA
B, C
261Bacillus subtilis subsp. subtilis str. 168Mutation(s): 0 
Gene Names: bceAbarCytsCBSU30380
UniProt
Find proteins for O34697 (Bacillus subtilis (strain 168))
Explore O34697 
Go to UniProtKB:  O34697
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO34697
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
I0O (Subject of Investigation/LOI)
Query on I0O

Download Ideal Coordinates CCD File 
D [auth A]4-amino-4-deoxy-1-O-[(S)-hydroxy{[(2E,6E,10Z,14Z,18Z,22E,26E,30E)-3,7,11,15,19,23,27,31,35-nonamethylhexatriaconta-2,6,10,14,18,22,26,30,34-nonaen-1-yl]oxy}phosphoryl]-alpha-L-arabinopyranose
C50 H84 N O7 P
GWCJFQXZVUXOPR-BFSVMLBVSA-N
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.80 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARC3.2.0
MODEL REFINEMENTPHENIX1.19

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Not funded--

Revision History  (Full details and data files)

  • Version 1.0: 2022-04-06
    Type: Initial release
  • Version 1.1: 2022-04-13
    Changes: Database references
  • Version 1.2: 2024-02-28
    Changes: Data collection