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RHA1  -  Ras-related protein RABF2a

Arabidopsis thaliana

Synonyms: ARABIDOPSIS RAB HOMOLOG F2A, ATRAB-F2A, ATRAB5A, ATRABF2A, K17O22.15, ...
 
 
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Disease relevance of RHA1

  • When expressed in E. coli, the Rha1 protein was shown to bind GTP [1].
 

High impact information on RHA1

 

Biological context of RHA1

  • Also, mutations in the effector domain and the prenylation site inhibit membrane association of Rha1 [5].
  • In this study, we investigated the localization of Rha1 and Ara7, two Arabidopsis proteins that have highly similar amino acid sequence homology to Rab5 in animal cells [5].
 

Co-localisations of RHA1

  • Furthermore, endogenous Rha1 also gave a punctate staining pattern and colocalized with AtPEP12p to the PVC [5].

References

  1. Molecular characterization of an Arabidopsis thaliana cDNA encoding a small GTP-binding protein, Rha1. Anuntalabhochai, S., Terryn, N., Van Montagu, M., Inzé, D. Plant J. (1991) [Pubmed]
  2. rha1, a gene encoding a small GTP binding protein from Arabidopsis, is expressed primarily in developing guard cells. Terryn, N., Arias, M.B., Engler, G., Tiré, C., Villarroel, R., Van Montagu, M., Inzé, D. Plant Cell (1993) [Pubmed]
  3. Functional differentiation of endosomes in Arabidopsis cells. Ueda, T., Uemura, T., Sato, M.H., Nakano, A. Plant J. (2004) [Pubmed]
  4. Tracing the ontogeny of stomatal clusters in Arabidopsis with molecular markers. Serna, L., Fenoll, C. Plant J. (1997) [Pubmed]
  5. The Arabidopsis rab5 homologs rha1 and ara7 localize to the prevacuolar compartment. Lee, G.J., Sohn, E.J., Lee, M.H., Hwang, I. Plant Cell Physiol. (2004) [Pubmed]
 
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