Tic62: a protein family from metabolism to protein translocation
2007

Tic62: A Protein Family from Metabolism to Protein Translocation

publication Evidence: moderate

Author Information

Author(s): Balsera Mónica, Stengel Anna, Soll Jürgen, Bölter Bettina

Primary Institution: Dep Biologie I, Botanisches Institut, LMU München, Germany

Hypothesis

Tic62 may act as a redox sensor protein and regulator during the translocation process in chloroplasts.

Conclusion

The Tic62-NAD(P)-related proteins are of ancient origin and the FNR-binding module in vascular plants is likely essential for the protein's function.

Supporting Evidence

  • The N-terminal module of Tic62 is highly conserved among all oxyphototrophs.
  • The C-terminal region is only found in vascular plants.
  • Phylogenetic analyses classify four Tic62-NAD(P)-related protein subfamilies in land plants.
  • Tic62 proteins are likely involved in the import process into chloroplasts.

Takeaway

Tic62 is a protein that helps transport other proteins into chloroplasts, and it has been around for a long time, found in both ancient bacteria and modern plants.

Methodology

The study involved evolutionary analysis and sequence comparison of the Tic62-NAD(P)-related protein family.

Digital Object Identifier (DOI)

10.1186/1471-2148-7-43

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