Schneider-Poetsch, Hansjörg A. W.;
Sensen, Christoph;
Hanelt, Sabine
Are Bacterial Sensory Systems Models for Phytochrome Action? Hydrophobic Cluster Analysis of the Phytochrome Module Related to Bacterial Transmitter Modules
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Medientyp:
E-Artikel
Titel:
Are Bacterial Sensory Systems Models for Phytochrome Action? Hydrophobic Cluster Analysis of the Phytochrome Module Related to Bacterial Transmitter Modules
Beteiligte:
Schneider-Poetsch, Hansjörg A. W.;
Sensen, Christoph;
Hanelt, Sabine
Erschienen:
Walter de Gruyter GmbH, 1991
Erschienen in:
Zeitschrift für Naturforschung C, 46 (1991) 9-10, Seite 750-758
Beschreibung:
Abstract C-terminal amino acid sequences of two phytochromes sharing less than 40 per cent homology and two transmitter modules of bacterial sensor proteins that share homologies with phytochromes were examined by hydrophobic cluster analysis. Striking coincidences in distribution, size, shape and orientation of hydrophobic and hydrophilic domains of the bacterial transmitter modules and phytochrome sequences were revealed. The results corroborate the view that the folding of the homologous regions of the two groups of proteins is similar. Since the mode of action of phytochrome is not known, the structural coincidences may be indicative of how phytochrome transmits signals, although distinct differences should not be over looked. Some coinciding structural features in phytochromes and bacterial sensors may tentatively be extracted from secondary structure predictions.