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Gene Review:

ASP5 - aspartate aminotransferase

Arabidopsis thaliana

Synonyms: AAT3, ASPARTATE AMINOTRANSFERASE, ASPARTATE AMINOTRANSFERASE DEFICIENT 3, ATAAT1, F11C18.15, ...

Wilkie, S.E. et al., Miesak, B.H. et al., Schultz, C.J. et al.

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High impact information on ASP5

All of the ethyl methane sulfonate- or nitrosomethylurea-generated mutants are missense mutations, as determined by sequencing of the ASP2 gene from the cytosolic aat2 mutants (aat2-1, aat2-2, aat2-4, and aat2-5) and the ASP5 gene from the chloroplastic aat3 mutants (aat3-1, aat3-2, and aat3-4) [1].
Organelle isolation reveals that AAT1 is mitochondrial-localized, AAT3 is plastid-localized, and AAT2 is cytosolic [2].
The deduced primary amino acid sequence of the protein product of asp5 was used to generate a three-dimensional structure of the AAT5 protein by using the computer program Sybyl: Biopolymer Composer and known AAT structures on the protein databases [3].
The gene for AAT5 (asp5) contains an open reading frame of 2447 bp comprising 11 exons separated by introns ranging in length from 74 to 207 bp [3].

References

Molecular and physiological analysis of Arabidopsis mutants defective in cytosolic or chloroplastic aspartate aminotransferase. Miesak, B.H., Coruzzi, G.M. Plant Physiol. (2002) [Pubmed]
The aspartate aminotransferase gene family of Arabidopsis encodes isoenzymes localized to three distinct subcellular compartments. Schultz, C.J., Coruzzi, G.M. Plant J. (1995) [Pubmed]
Chloroplastic aspartate aminotransferase from Arabidopsis thaliana: an examination of the relationship between the structure of the gene and the spatial structure of the protein. Wilkie, S.E., Lambert, R., Warren, M.J. Biochem. J. (1996) [Pubmed]

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