The chloroplast Tat pathway utilizes the transmembrane electric potential as an energy source.

@article{Braun2007TheCT,
  title={The chloroplast Tat pathway utilizes the transmembrane electric potential as an energy source.},
  author={Nikolai A Braun and Andrew W. Davis and Steven M Theg},
  journal={Biophysical journal},
  year={2007},
  volume={93 6},
  pages={
          1993-8
        }
}
The thylakoid membrane, located inside the chloroplast, requires proteins transported across it for plastid biogenesis and functional photosynthetic electron transport. The chloroplast Tat translocator found on thylakoids transports proteins from the plastid stroma to the thylakoid lumen. Previous studies have shown that the chloroplast Tat pathway is independent of NTP hydrolysis as an energy source and instead depends on the thylakoid transmembrane proton gradient to power protein… CONTINUE READING
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