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J Biol Chem. 1984 Nov 10;259(21):13436-41.

Cloning and structural analysis of DNA encoding an A2B1a subunit of glycinin.

Abstract

The partial DNA sequence of a glycinin gene in a genomic clone and a homologous cDNA clone were determined. They have nearly identical nucleotide sequences and encode the basic polypeptide and part of the acidic polypeptide for an A2B1a glycinin subunit. The protein primary structure deduced from the DNA sequence is in close agreement with the amino acid sequence of the subunit determined chemically and confirms assignment of part of the amino acid sequence in the basic component where we were able to establish an overlap using conventional approaches. The coding part of the basic subunit is interrupted by a 625-base pair A + T-rich intron whose boundaries correlate with the established consensus sequences for the exon-intron junctions. Comparison of the nucleotide sequence of the basic subunit of pea legumin gene with that of the gene for A2B1a subunit reveals 70% homology in coding regions, although there is considerably less in the 3'-flanking regions.

PMID:
6092376
[Indexed for MEDLINE]
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