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Osmosensory transporter coiled coil
The osmosensory transporter coiled coil is a C-terminal domain found in various bacterial osmoprotective transporters, such as ProP, Proline/betaine transporter, Proline permease 2 and the citrate proton symporters. It adopts an antiparallel coiled-coil structure, and is essential for osmosensory and osmoprotectant transporter function [1]. [1]. 14643666. Solution structure of the C-terminal antiparallel coiled-coil domain from Escherichia coli osmosensor ProP. Zoetewey DL, Tripet BP, Kutateladze TG, Overduin MJ, Wood JM, Hodges RS;. J Mol Biol. 2003;334:1063-1076. (from Pfam)
MFS transporter
proline/betaine transporter
proline/betaine transporter of the major facilitator superfamily (MFS) acts as a proton symporter which senses osmotic shifts and responds by importing osmolytes such as proline, glycine betaine, pipecolic acid and ectoine
glycine betaine/L-proline transporter ProP
metabolite/H+ symporter
This HMM represents the metabolite:H+ symport subfamily of the major facilitator superfamily (PF00083), including citrate-H+ symporters, dicarboxylate:H+ symporters, the proline/glycine-betaine transporter ProP, etc.
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