A Drosophila photoreceptor cell-specific protein, calphotin, binds calcium and contains a leucine zipper.
basic_science · Level V
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- Record sourced from PubMed, PMID 8434015.
- Also identified by PMC identifier 45909.
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Abstract
The calphotin protein, encoded by the calphotin (cap) gene, is expressed in the soma and axons of all Drosophila photoreceptor cells. It is expressed early in photo-receptor cell development, at the time when cell-type decisions are being made. Expression of calphotin is not altered by the glass mutation, which blocks photoreceptor cell development. The calphotin protein binds calcium and contains a long C-terminal leucine zipper. Potential implications of these properties are discussed.
Medical subject headings
- Calcium
- Calcium-Binding Proteins
- Drosophila Proteins
- Insect Hormones
- Insect Proteins
- Leucine Zippers
- Photoreceptor Cells