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A Phycocyanobilin Seryliminoester as a New Model for the Chromophore–Protein Interaction in Phytochrome
Author(s) -
Micura Ronald,
Grubmayr Karl
Publication year - 1995
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199517331
Subject(s) - phycocyanobilin , phytochrome , chromophore , serine , covalent bond , phytochrome a , biophysics , chemistry , biology , photochemistry , biochemistry , botany , phycocyanin , genetics , cyanobacteria , red light , organic chemistry , arabidopsis , bacteria , mutant , gene , enzyme
The new phytochrome model compound 1 is characterized by the covalent linkage of a serine side chain with the ring‐A lactam of the phycocyanobilin chromophore. The model readily explains the absorption properties, ensures photoreversibility, and offers the possibility for thermal back reaction.