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. 1986 Jun 11;14(11):4625–4638. doi: 10.1093/nar/14.11.4625

The structure and transcription start site of a major potato tuber protein gene.

M Bevan, R Barker, A Goldsbrough, M Jarvis, T Kavanagh, G Iturriaga
PMCID: PMC311470  PMID: 3714488

Abstract

We have isolated recombinant lambda clones containing intact major tuber protein (patatin) genes and flanking sequences from the commercial tetraploid variety Maris Piper. The gene is composed of seven exons and six introns, spread over 4 kb of DNA. Nuclease mapping defined the 5' end of the mRNA approximately 45 bp upstream of the initiation codon. The 5' end of the gene is preceeded by a canonical TATA box sequence. The three known patatin genes encode proteins of nearly identical Mr but very different isoelectric points. The sequence of the gene does not indicate a role for patatin as one of the globulin class of plant storage proteins.

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Selected References

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