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A Pyrazine‐Bridged Heme Dimer Absorbing at 800 nm
Author(s) -
Fuhrhop JürgenHinrich,
Baccouche Mohamed,
Bünzel Marlies
Publication year - 1980
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.198003221
Subject(s) - pyrazine , porphyrin , heme , dimer , chemistry , photochemistry , electron transfer , photoinduced electron transfer , ligand (biochemistry) , titration , hemeprotein , crystallography , stereochemistry , inorganic chemistry , organic chemistry , biochemistry , receptor , enzyme
The first molecular complex of heme with semiequimolar amount of an axial ligand has been detected on titration of an alkaline heme solution with pyrazine by its electronic spectrum. Thus pyrazine permits photoinduced electron transfer over ca . 1 nm between the porphyrin planes (vertical lines).