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ECB-ART-40421
Science 1978 Apr 07;2004337:58-9. doi: 10.1126/science.200.4337.58.
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Separation of the sperm agglutinin and the acrosome reaction-inducing substance in egg jelly of starfish.

Uno Y , Hoshi M .


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The egg jelly of the starfish Asterias amurensis was separated into the fractions J1, J2, and J3 on a Sephadex G-100 column. The Jl fraction induced the acrosome reaction and J2 induced sperm agglutination. Chemical analysis and chromatography revealed that sperm agglutinin is similar to asterosaponin A.

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