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Journal of Bacteriology, January 2000, p. 241-243, Vol. 182, No. 1
0021-9193/0/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
Monoubiquitination Is Sufficient To Signal
Internalization of the Maltose Transporter in Saccharomyces
cerevisiae
Pilar
Lucero,
Élida
Peñalver,
Laura
Vela, and
Rosario
Lagunas*
Instituto de Investigaciones Biomédicas
"Alberto Sols," Consejo Superior de Investigaciones
Científicas, 28029 Madrid, Spain
Received 21 July 1999/Accepted 8 October 1999
Monoubiquitination of the 12-transmembrane segment (12-TMS)
Saccharomyces cerevisiae maltose transporter promoted the
maximal internalization rate of this protein. This modification is
similar to that of the 7-TMS
-factor receptor but different from
that of the 12-TMS uracil and general amino acid permeases. This result shows that binding of ubiquitin-Lys63 chains is not required for maximal internalization of all 12-TMS-containing proteins.
*
Corresponding author. Mailing address: Instituto de
Investigaciones Biomédicas "Alberto Sols," CSIC-UAM, Arturo
Duperier 4, 28029 Madrid, Spain. Phone: 34-91-5854614. Fax:
34-91-5854587. E-mail: Rlagunas{at}iib.uam.es.
Journal of Bacteriology, January 2000, p. 241-243, Vol. 182, No. 1
0021-9193/0/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.
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