Friday, April 17, 2009

Protein of the Day #18: Cruciferina

Cruciferina: sounds like an all-girl punk group or something. I couldn't find out too much about it, its a cupin-superfamily protein that is a desiccation-tolerant seed storage globulin. "Cupin" comes from the Latin "cupa" for small barrel; cupin proteins have a beta-barrel motif that apparently is useful for all sorts of things. Here's one representation of the barrel (not from Cruciferina in particular) from

Various cupin proteins seem to heavily expressed in the floral nectary tissues studied in my friend Clay Carter's lab.

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