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Nat Struct Biol. 2003 Jun;10(6):489-90.

Light-induced electron transfer in a cryptochrome blue-light photoreceptor.

Author information

1
Université Paris VI, Tour 53 E 5, Casier 156, 4, Place Jussieu, 75252 Paris Cedex 05, France.

Abstract

Cryptochromes are flavoproteins implicated in multiple blue light-dependent signaling pathways regulating, for example, photomorphogenesis in plants or circadian clocks in animals. Using transient absorption spectroscopy, it is demonstrated that the primary light reactions in isolated Arabidopsis thaliana cryptochrome-1 involve intraprotein electron transfer from tryptophan and tyrosine residues to the excited flavin adenine dinucleotide cofactor.

PMID:
12730688
DOI:
10.1038/nsb933
[Indexed for MEDLINE]

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