Mutation at position -12 of intron 45 (c-->t) plays a prevalent role in the partial skipping of exon 46 from the transcript of allele alphaLELY in erythroid cells.

Abstract excerpt

Allele alphaLELY is a common low-expression allele of the erythroid spectrin SPTA1 gene. It results in the aggravated expression of hereditary elliptocytosis due to SPTA1 gene mutations occurring in trans. Allele alphaLELY contains, in particular, mutations in introns 45 and 46, both in polypyrimidine tracts, and causes the partial skipping of exon 46. The corresponding six amino acids belong to the nucleation...

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