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  • Title: Reactivity of Limulus amoebocyte lysate towards (1----3)-beta-D-glucans.
    Author: Ohno N, Emori Y, Yadomae T, Saito K, Masuda A, Oikawa S.
    Journal: Carbohydr Res; 1990 Oct 25; 207(2):311-8. PubMed ID: 2076521.
    Abstract:
    The structure activity relationship for beta-D-glucans for the gelation of the amoebocyte lysates of the horseshoe crab (Limulus) has been investigated. beta-D-Glucans that had no (1----3) linkages induced little or no gelation. The (1----3)-beta-D-glucans curdlan (unbranched), grifolan (approximately 33% branched), schizophyllan (approximately 33% branched), lentinan (approximately 40% branched). SSG (approximately 50% branched), and OL-2 (approximately 66% branched) induced significant gelation. The optimum concentration for gelation was correlated with the content of branching. Single chain (rather than a triple helix) conformation and higher molecular weight were associated with higher reactivity.
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