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ECB-ART-30594
Biochim Biophys Acta 1976 Sep 28;4461:321-4. doi: 10.1016/0005-2795(76)90122-7.
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An elastic protein from the cortical layer of the sea-urchin egg.

Maruyama K , Mabuchi I , Matsubara S , Ohashi K .


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An elastic protein was isolated from the cortical layer of the fertilized eggs of two species of sea-urchin. Young''s modulus of the fiber of the sea-urchin protein was approximately 1-10(7) dyne/cm2. The amino acid compositions of the elastic protein from the two species of sea-urchin eggs were very similar to that of connectin, elastic protein from vertebrate skeletal muscle. The fluorescent antibody against muscle connectin stained the cortical layer of the sea-urchin egg. It appears that the elastic protein is responsible for the elasticity of the egg cortex.

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Genes referenced: clcn2 LOC100887844