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Family 2.A.21 - The Solute:Sodium Symporter Family       

Family ID: 52626

Members of the SSS family catalyze solute:Na+ symport. The solutes transported may be sugars, amino acids, nucleosides, inositols, vitamins, urea or anions, depending on the system. Members of the SSS family have been identified in bacteria, archaea and animals, and all functionally well characterized members catalyze solute uptake via Na+ symport. The human placental multivitamin symporter cotransports an anionic vitamin with two Na+. Proteins of the SSS vary in size from about 400 residues to about 700 residues and possess twelve to fifteen putative transmembrane helical spanners (TMSs). They generally share a core of 13 TMSs, but different members of the family may have different numbers of TMSs

 

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At5g45380 urea active transporter-like protein

 

  

 


  
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YHL016C DUR3 urea active transport protein


      
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A distributed project investigating gene networks that control uptake and accumulation of plant nutrients and toxic metals. Funded by the plant genome program of the National Science Foundation (DBI-0077378). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

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