Dataset Open Access

Alternative architecture of the E. coli chemosensory array.

Cassidy, Keith; Burt, Alister; Stansfeld, Phillip; Gutsche, Irina

We present molecular models for extended patches of the E. coli chemosensory array. The models display either the canonical p6-symmetric architecture or an alternative p2-symmetric architecture recently observed in E. coli minicells. For more information, please see the associated BioRxiv preprint. Questions regarding the coordinates may be directed to Keith Cassidy (keith.cassidy@bioch.ox.ac.uk).

 

Residue coverage: Tsr chemoreceptor (residues 340-440); CheA kinase (residues 264-646), CheW adaptor protein (residues 14-158). PDB naming convention: Tsr chemoreceptors (chain T), CheA kinases (chain A), CheW adaptor proteins (chain W). Individual molecules may be obtained using the 'segname' field in each pdb.
Files (48.5 MB)
Name Size
p2_Ec_array.pdb
md5:426b574b2b5778d208ac1730981b0f55
24.3 MB Download
p6_Ec_array.pdb
md5:a4e00cd61112f18434424065e4db9057
24.3 MB Download
  • Burt and Cassidy et al. (2020) Complete structure of the chemosensory array core signalling unit in an E. coli minicell strain. Nat. Commun., 11, 743.

  • Cassidy et al. (2020) Structure and dynamics of the E. coli chemotaxis core signaling complex by cryo-electron tomography and molecular simulations. Commun. Biol., 3, 24.

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