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XB-ART-20816
Biochim Biophys Acta 1994 Sep 14;11942:341-4.
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Anion transport function of mouse erythroid band 3 protein (AE1) does not require acylation of cysteine residue 861.

Kang D , Karbach D , Passow H .


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Cys-861 of mouse band 3 is equivalent to Cys-843 of human band 3, the only acylated cysteine residue in the anion exchanger AE1 of the red blood cell (Hamasaki et al. (1992) Progress Cell Res. 2, 65-71). Mutation of Cys-861 to serine or methionine caused no significant changes of band 3-mediated anion exchange as measured after expression of the appropriate cRNAs in Xenopus oocytes. Susceptibility to inhibition of transport by 4,4'-dinitrostilbene-2,2'-disulfonate and PCMBS was not affected. We conclude that palmitoylation is not an absolute requirement for the successful execution the anion transport function by the hydrophobic domain of band 3 in the plasma membrane.

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Species referenced: Xenopus
Genes referenced: slc4a1 tbx2