Physical association of KAB1 with plant K+ channel alpha subunits.

  title={Physical association of KAB1 with plant K+ channel alpha subunits.},
  author={Hua Tang and Aurea C. Vasconcelos and Gerald A. Berkowitz},
  journal={The Plant cell},
  volume={8 9},
K+ channel proteins contain four alpha subunits that align along a central axis perpendicular to membranes and form an ion-conducting pore. Recent work with K+ channels native to animal membranes has shown that at least some members of this protein family also have four beta subunits. These structural components of the holoenzyme each form tight associations with the cytoplasmic portion of an alpha subunit. We have cloned an Arabidopsis cDNA (KAB1) that encodes a polypeptide sharing 49% amino… CONTINUE READING


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