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PMID:1748311
| Citation |
Anai, T, Hasegawa, K, Watanabe, Y, Uchimiya, H, Ishizaki, R and Matsui, M (1991) Isolation and analysis of cDNAs encoding small GTP-binding proteins of Arabidopsis thaliana. Gene 108:259-64 |
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| Abstract |
We previously isolated a DNA fragment from Arabidopsis thaliana homologous to the mammalian ras gene and named it ara [Matsui et al., Gene 76 (1989) 313-319]. Screening of cDNA clones homologous to ara in A. thaliana resulted in the isolation of four homologous genes. The products of these genes, ARA-2, ARA-3, ARA-4 and ARA-5, showed conservation of amino acids (aa) in four regions, all of which are present in small GTP-binding proteins, and are important for GTPase/GTP-binding activities. These products were highly homologous to those of the YPT genes of Saccharomyces cerevisiae and the ypt gene of Schizosaccharomyces pombe in the regions around aa 45, which is thought to be the site interacting with effector molecules. The products of these four genes showed characteristic aa sequence at their C termini, Cys-Cys-Xaa-Xaa. Another characteristic of this family is presence of Ser in place of Gly in the first conserved region (Gly12 of mammalian GTP-binding Ras protein). |
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| Keywords |
Amino Acid Sequence; Blotting, Southern; GTP-Binding Proteins/genetics; Molecular Sequence Data; Oncogene Protein p21(ras)/genetics; Plant Proteins/genetics; Plants/genetics; Restriction Mapping; Sequence Alignment; Serine/genetics |
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Significance
Annotations
| Gene product | Qualifier | GO ID | GO term name | Evidence Code | with/from | Aspect | Notes | Status |
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