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Gene Review

HCF152  -  RNA binding protein HCF152

Arabidopsis thaliana

Synonyms: CRM3, HIGH CHLOROPHYLL FLUORESCENCE 152
 
 
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High impact information on HCF152

  • In addition, we found that HCF152 is an RNA binding protein that binds certain areas of the petB transcript [1].
  • These data and additional experiments with the cytochrome b(6)f complex mutant hcf152, which is defective in 3' psbH processing, suggest that only those psbH-containing transcripts that are processed at their -45 5' ends can be translated [2].
  • To understand the molecular mechanism of how HCF152 modulates chloroplast gene expression, the molecular and biochemical properties should be revealed [3].
  • It was found that two HCF152 polypeptides bind to form a homodimer, and that this binding is impaired by a single amino acid substitute near the carboxyl terminus, replacing leucine with proline [3].
 

Other interactions of HCF152

  • Recombinant HCF152 bound with higher affinity RNA molecules, resembling the petB exon-intron junctions, as well as several other molecules [3].

References

  1. HCF152, an Arabidopsis RNA binding pentatricopeptide repeat protein involved in the processing of chloroplast psbB-psbT-psbH-petB-petD RNAs. Meierhoff, K., Felder, S., Nakamura, T., Bechtold, N., Schuster, G. Plant Cell (2003) [Pubmed]
  2. The nucleus-encoded HCF107 gene of Arabidopsis provides a link between intercistronic RNA processing and the accumulation of translation-competent psbH transcripts in chloroplasts. Felder, S., Meierhoff, K., Sane, A.P., Meurer, J., Driemel, C., Plücken, H., Klaff, P., Stein, B., Bechtold, N., Westhoff, P. Plant Cell (2001) [Pubmed]
  3. RNA-binding properties of HCF152, an Arabidopsis PPR protein involved in the processing of chloroplast RNA. Nakamura, T., Meierhoff, K., Westhoff, P., Schuster, G. Eur. J. Biochem. (2003) [Pubmed]
 
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