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

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A copper cofactor for the ethylene receptor ETR1 from Arabidopsis.

The ETR1 receptor from Arabidopsis binds the gaseous hormone ethylene. A copper ion associated with the ethylene-binding domain is required for high-affinity ethylene-binding activity. A missense mutation in the domain that renders the plant insensitive to ethylene eliminates both ethylene binding and the interaction of copper with the receptor. A sequence from the genome of the cyanobacterium Synechocystis sp. strain 6803 that shows homology to the ethylene-binding domain of ETR1 encodes a functional ethylene-binding protein. On the basis of sequence conservation between the Arabidopsis and the cyanobacterial ethylene-binding domains and on in vitro mutagenesis of ETR1, a structural model for this copper-based ethylene sensor domain is presented.[1]

References

  1. A copper cofactor for the ethylene receptor ETR1 from Arabidopsis. Rodríguez, F.I., Esch, J.J., Hall, A.E., Binder, B.M., Schaller, G.E., Bleecker, A.B. Science (1999) [Pubmed]
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