A biomimetic protein cross-linking reaction is described which employs
oxidatively-activated manganese and iron porphyrins as the reactive s
pecies. A wide range of proteins cross-link under these conditions, bu
t only if they are intimately associated in solution. The reaction is
rapid, efficient, and will be useful for the suprastructural analysis
of multiprotein complexes. (C) 1998 Published by Elsevier Science Ltd.
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