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. 1994 Mar 25;140(2):239-42.
doi: 10.1016/0378-1119(94)90550-9.

Isolation and characterization of the Drosophila melanogaster eIF-2 alpha gene encoding the alpha subunit of translation initiation factor eIF-2

S Qu  1 , D R Cavener
Affiliations

Isolation and characterization of the Drosophila melanogaster eIF-2 alpha gene encoding the alpha subunit of translation initiation factor eIF-2

S Qu et al. Gene. .

Abstract

Genomic and cDNA clones encoding the Drosophila melanogaster alpha-subunit of translational initiation factor 2 (eIF-2 alpha) were isolated. The D. melanogaster eIF-2 alpha gene encodes a 341 amino-acid (aa) protein that shares 57 and 44% identity to its human and yeast homologues, respectively. The regulatory phosphorylation site at Ser50 is embedded in a segment of 19 conserved aa residues. Analysis of the genomic DNA and cDNA clones indicated that eIF-2 alpha is a single-copy gene and its coding region is interrupted by a 260-bp intron. The D. melanogaster eIF-2 alpha mRNA is 1350 nt in length and is expressed throughout development.

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