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Structure paper

TitleCryo-EM structures of KdpFABC suggest a K transport mechanism via two inter-subunit half-channels.
Journal, issue, pagesNat Commun, Vol. 9, Issue 1, Page 4971-4971, Year 2018
Publish dateNov 26, 2018
AuthorsC Stock / L Hielkema / I Tascón / D Wunnicke / G T Oostergetel / M Azkargorta / C Paulino / I Hänelt
External linksPubMed:30478378 / Publisher's page
KeywordsMEMBRANE PROTEIN / P-type ATPase superfamily of K+ transporters (SKT) potassium uptake system four subunit complex
MethodsEM (single particle)
Resolution3.7 - 4 A
Structure data

EMDB-0257:
Cryo-EM structure of the KdpFABC complex in an E1 outward-facing state (state 1)

EMDB-0258:
Cryo-EM structure of the KdpFABC complex in an E2 inward-facing state (state 2)

PDB-6hra:
Cryo-EM structure of the KdpFABC complex in an E1 outward-facing state (state 1)

PDB-6hrb:
Cryo-EM structure of the KdpFABC complex in an E2 inward-facing state (state 2)

Chemicals

ChemComp-K:
POTASSIUM IONPotassium

Source
  • Escherichia coli K-12 (bacteria)
  • Escherichia coli (strain K12) (bacteria)
  • escherichia coli (strain k12) (bacteria)

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    Three pioneers of this field were awarded Nobel Prize in Chemistry 2017

    • Jacques Dubochet (University of Lausanne, Switzerland) is a pioneer of ice-embedding method of EM specimen (as known as cryo-EM), Most of 3DEM structures in EMDB and PDB are obtained using his method.
    • Joachim Frank (Columbia University, New York, USA) is a pioneer of single particle reconstruction, which is the most used reconstruction method for 3DEM structures in EMDB and EM entries in PDB. And also, he is a develper of Spider, which is one of the most famous software in this field, and is used for some EM Navigor data (e.g. map projection/slice images).
    • Richard Henderson (MRC Laboratory of Molecular Biology, Cambridge, UK) was determined the first biomolecule structure by EM. The first EM entry in PDB, PDB-1brd is determinedby him.

    External links: The 2017 Nobel Prize in Chemistry - Press Release

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