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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Crystal structure of hemolin: a horseshoe shape with implications for homophilic adhesion.

Hemolin, an insect immunoglobulin superfamily member, is a lipopolysaccharide-binding immune protein induced during bacterial infection. The 3.1 angstrom crystal structure reveals a bound phosphate and patches of positive charge, which may represent the lipopolysaccharide binding site, and a new and unexpected arrangement of four immunoglobulin-like domains forming a horseshoe. Sequence analysis and analytical ultracentrifugation suggest that the domain arrangement is a feature of the L1 family of neural cell adhesion molecules related to hemolin. These results are relevant to interpretation of human L1 mutations in neurological diseases and suggest a domain swapping model for how L1 family proteins mediate homophilic adhesion.[1]


  1. Crystal structure of hemolin: a horseshoe shape with implications for homophilic adhesion. Su, X.D., Gastinel, L.N., Vaughn, D.E., Faye, I., Poon, P., Bjorkman, P.J. Science (1998) [Pubmed]
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