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Symporter

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<StructureSection load='' size='450' side='right' caption='Dipeptide:H+ symporter (green) complex with dipeptide (cyan), lipid and phosphate (PDB code [[4d2c]])' scene='70/705726/Initial/2'>
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<StructureSection load='' size='350' side='right' caption='Dipeptide:H+ symporter (green) complex with dipeptide (cyan), lipid and phosphate (PDB code [[4d2c]])' scene='70/705726/Initial/2'>
== Function ==
== Function ==
Symporter (Symp) is a co-transporter membrane protein which transports two or more different molecules across the plasma membrane in the same direction<ref>PMID:12588808</ref>.
Symporter (Symp) is a co-transporter membrane protein which transports two or more different molecules across the plasma membrane in the same direction<ref>PMID:12588808</ref>.
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**[[4gbz]], [[4gc0]] – EcSymp + glucose derivative<BR />
**[[4gbz]], [[4gc0]] – EcSymp + glucose derivative<BR />
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*Di-or tripeptide:H+ symporter
+
*Di-or tripeptide/H+ symporter
-
**[[4ja4]], [[4xni]], [[4xnj]], [[4d2b]], [[4aps]], [[5d6k]], [[5mmt]] – StSymp – ''Streptococcus thermophilus''<BR />
+
**[[4ja4]], [[4xni]], [[4xnj]], [[4d2b]], [[4aps]], [[5d6k]], [[5mmt]], [[5d6k]], [[5oxo]], [[5oxp]], [[5oxq]], [[6eia]], [[6fmr]], [[6fmy]] – StSymp – ''Streptococcus thermophilus''<BR />
-
**[[4d2d]] – StSymp + tripeptide<BR />
+
**[[4d2d]], [[6ghj]] – StSymp + tripeptide<BR />
-
**[[4d2c]], [[5d58]], [[5d59]] – StSymp + dipeptide<BR />
+
**[[4d2c]], [[5d58]], [[5d59]], [[5oxk]], [[5oxl]], [[5oxm]], [[5oxn]] – StSymp + dipeptide<BR />
*Oligopeptide/H+ symporter
*Oligopeptide/H+ symporter
**[[4lep]], [[4tph]] – SoSymp – ''Shewanella oneidensis''<BR />
**[[4lep]], [[4tph]] – SoSymp – ''Shewanella oneidensis''<BR />
 +
**[[2xut]] – SoSymp (mutant) <BR />
**[[4tpg]], [[4tpj]] – SoSymp + tripeptide<BR />
**[[4tpg]], [[4tpj]] – SoSymp + tripeptide<BR />
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**[[4n7w]] – YfSymp – ''Yersinia frederiksenii''<BR />
**[[4n7w]] – YfSymp – ''Yersinia frederiksenii''<BR />
**[[4n7x]] – YfSymp (mutant) <BR />
**[[4n7x]] – YfSymp (mutant) <BR />
 +
**[[3zuy]] – Symp - ''Neisseria meningitidis''<BR />
 +
**[[3zux]] – Symp (mutant) <BR />
*L-fucose/H+ symporter
*L-fucose/H+ symporter
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**[[3o7q]] – EcSymp <BR />
**[[3o7q]] – EcSymp <BR />
**[[3o7p]] – EcSymp (mutant)<BR />
**[[3o7p]] – EcSymp (mutant)<BR />
 +
 +
*Lactose/H+ symporter
 +
 +
**[[1pv6]] – EcSymp (mutant)<BR />
 +
**[[1pv7]], [[4oaa]] – EcSymp (mutant) + thiodigalactoside<BR />
*Sodium/glucose symporter
*Sodium/glucose symporter
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**[[2xq2]] – VpSymp (mutant) – ''Vibrio parahaemolyticus''<BR />
**[[2xq2]] – VpSymp (mutant) – ''Vibrio parahaemolyticus''<BR />
**[[3dh4]] – VpSymp + galactose <BR />
**[[3dh4]] – VpSymp + galactose <BR />
 +
**[[4m64]] – Symp (mutant) - ''Salmonella typhimurium''<BR />
*Sodium/citrate symporter
*Sodium/citrate symporter
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**[[5a1s]] – Symp + citrate – ''Salmonella enterica''<BR />
**[[5a1s]] – Symp + citrate – ''Salmonella enterica''<BR />
**[[5x9r]], [[5xas]], [[5xat]] – KpSymp + citrate – ''Klebsiella pneumoniae''<BR />
**[[5x9r]], [[5xas]], [[5xat]] – KpSymp + citrate – ''Klebsiella pneumoniae''<BR />
-
**[[5xar]] – KpSymp <BR />
+
**[[4bpq]], [[5xar]] – KpSymp <BR />
 +
 
 +
*Sodium/neurotransmitter symporter LeuT
 +
 
 +
**[[3qs4]], [[3qs5]], [[3qs6]] – AaSymp (mutant) + tryptophan – ''Aquifex aeolicus''<BR />
 +
**[[3f4i]] – AaSymp + Na <BR />
 +
**[[3f48]] – AaSymp + alaine + Na<BR />
 +
**[[3f4j]] – AaSymp + glycine + Na<BR />
 +
**[[2a65]] – AaSymp + leucine <BR />
 +
**[[2qb4]] – AaSymp + leucine + desipramine<BR />
 +
**[[2qei]] – AaSymp + alaine + clomipramine<BR />
 +
**[[3gwu]] – AaSymp + sertraline + Na<BR />
 +
**[[3gwv]], [[3gww]] – AaSymp + fluoxetine + Na<BR />
*Divalent ion/sodium symporter
*Divalent ion/sodium symporter
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**[[5ul7]], [[5ul9]], [[5uld]], [[5ule]] – Symp + Na – ''Vibrio cholerae''<BR />
+
**[[5ul7]], [[5ul9]], [[5uld]], [[5ule]], [[4f35]] – Symp + Na – ''Vibrio cholerae''<BR />
*Purine/H+ symporter
*Purine/H+ symporter
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*Glutamate/H+ symporter
*Glutamate/H+ symporter
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**[[5dwy]] – TkSymp – ''Thermococcus kodakarensis''<BR />
+
**[[5dwy]], [[4ky0]] – TkSymp – ''Thermococcus kodakarensis''<BR />
**[[5e9s]] – TkSymp + aspartate<BR />
**[[5e9s]] – TkSymp + aspartate<BR />
-
 
+
**[[4oyf]] – PhSymp - ''Pyrococcus horikishii'' <BR />
 +
**[[2nwl]] – PhSymp (mutant) + aspartate<BR />
}}
}}

Revision as of 23:03, 21 September 2018

Dipeptide:H+ symporter (green) complex with dipeptide (cyan), lipid and phosphate (PDB code 4d2c)

Drag the structure with the mouse to rotate

3D Structures of symporter

Updated on 21-September-2018

References

  1. Dohan O, De la Vieja A, Paroder V, Riedel C, Artani M, Reed M, Ginter CS, Carrasco N. The sodium/iodide Symporter (NIS): characterization, regulation, and medical significance. Endocr Rev. 2003 Feb;24(1):48-77. PMID:12588808 doi:http://dx.doi.org/10.1210/er.2001-0029
  2. Pohlenz J, Refetoff S. Mutations in the sodium/iodide symporter (NIS) gene as a cause for iodide transport defects and congenital hypothyroidism. Biochimie. 1999 May;81(5):469-76. PMID:10403177
  3. Lyons JA, Parker JL, Solcan N, Brinth A, Li D, Shah ST, Caffrey M, Newstead S. Structural basis for polyspecificity in the POT family of proton-coupled oligopeptide transporters. EMBO Rep. 2014 Jun 10. pii: e201338403. PMID:24916388 doi:http://dx.doi.org/10.15252/embr.201338403

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Michal Harel, Alexander Berchansky, Joel L. Sussman

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