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X‐Ray Molecular Structure of a Red Bilin Derivative from Chlorella protothecoides . 4th communication on chlorophyll catabolism
Author(s) -
Engel Norbert,
Gossauer Albert,
Gruber Karl,
Kratky Christoph
Publication year - 1993
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19930760607
Subject(s) - chemistry , catabolism , derivative (finance) , chlorophyll , chlorophyll a , biochemistry , stereochemistry , organic chemistry , metabolism , financial economics , economics
The molecular structure of a chlorophyll a catabolite isolated from the culture medium of bleached Chlorella protothecoides cells has been determined by X‐ray diffraction; the crystal structure shows a distorted helical arrangement of the pyrrole rings and consists of symmetrical dimers located at a crystallographic diad, which are stabilized by six intermolecular H‐bonds.