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. 1992 Oct;20(2):315-22.
doi: 10.1007/BF00014500.

Vicilin-like seed storage proteins in the gymnosperm interior spruce (Picea glauca/engelmanii)

C H Newton  1 , B S Flinn, B C Sutton
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Vicilin-like seed storage proteins in the gymnosperm interior spruce (Picea glauca/engelmanii)

C H Newton et al. Plant Mol Biol. 1992 Oct.

Abstract

A seed storage protein cDNA was characterized from a library of interior spruce (Picea glauca/engelmanii complex) cotyledonary stage somatic embryos. The deduced amino acid sequence predicts a 448 amino acid (50 kDa) polypeptide with 28-38% identity with angiosperm vicilin-like 7S globulins. XXC/G codon usage is low (47%) relative to monocot angiosperms while pairwise comparisons show that spruce, monocot, and dicot vicilins are approximately equal in amino acid divergence. Although small by comparison, the spruce vicilin contains an N terminal hydrophilic region characteristic of angiosperm 'large' vicilins. Genomic Southern blotting predicts that the cDNA is encoded by a gene family.

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References

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