Undecapeptides containing cysteinesulfinic and cysteinesulfenic acid
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United States of America Patent
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Sep 9, 2003
Grant Date -
Mar 28, 2002
app pub date -
Mar 14, 2001
filing date -
Jul 11, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed are peptides represented by IVC.sub.1 SLC.sub.2 SC.sub.3 TAW and C.sub.1 SLC.sub.2 SC.sub.3 wherein I stands for isoleucine, V for valine, C.sub.1 for cysteine, C.sub.2 for cysteinesulfinic acid, C.sub.3 for cysteinesulfenic acid, S for serine, L for leucine, T for threonine, A for alanine, and W for tryptophan. These peptides can impart photoreactivity to a protein by binding to a non-heme iron. Also disclosed are methods for imparting photoreactivity to cells by introducing the peptide sequences into at least one protein which is involved in a metabolic system and/or energy metabolic system of the cells. There can be provided peptide sequences with a shorter peptide chain capable of imparting photoreactivity, which can be easily introduced into a protein with a little risk in degrading original function of the protein. There are also provided methods enabling control of metabolic reactions by imparting photoreactivity to cells with the peptides.
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