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Tropschug, Maximilian ; Wachter, Elmar ; Mayer, Sabine ; Schönbrunner, Erhard Ralf ; Schmid, Franz X.:
Isolation and sequence of an FK506-binding protein from N. crassa which catalyses protein folding.
In: Nature.
Bd. 346
(1990)
Heft 6285
.
- S. 674-677.
ISSN 1476-4687
DOI: https://doi.org/10.1038/346674a0
Abstract
Slow protein-folding reactions are accelerated by a prolyl cis/trans isomerase isolated from porcine kidney which is identical to cyclophilin, a protein that is probably the cellular receptor for the immunosuppressant cyclosporin A. Catalysis probably involves the isomerization of prolyl peptide bonds in the folding protein chains. Cyclosporin A inhibits folding catalysis by cyclophilin. Here we report the isolation, cloning, sequencing and expression of another protein with prolyl isomerase activity from Neurospora crassa which is unrelated to cyclophilin and which also catalyses slow steps in protein folding. This protein does, however, show sequence similarity to a human protein that binds to another, recently discovered immunosuppressive drug, FK506. Moreover, it shares 39% identity with the carboxy-terminal 114 residues of a cell-surface protein from the bacterium Legionella pneumophila, the causative agent of Legionnaires' disease. Catalysis of folding by the FK506-binding protein from N. crassa is inhibited by FK506, but not by cyclosporin A. Thus, at least two different classes of conformationally active enzymes (conformases) exist that catalyse slow steps in protein folding. Both occur in a wide variety of cells and are inhibited by immunosuppressive drugs.
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| Publikationsform: | Artikel in einer Zeitschrift |
|---|---|
| Begutachteter Beitrag: | Ja |
| Zusätzliche Informationen: | PubMed-ID: 1696687 |
| Institutionen der Universität: | Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Ehemalige Professoren > Professur Biochemie - Univ.-Prof. Dr. Franz Xaver Schmid Fakultäten Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Professur Biochemie Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Ehemalige Professoren |
| Titel an der UBT entstanden: | Ja |
| Themengebiete aus DDC: | 500 Naturwissenschaften und Mathematik > 540 Chemie |
| Eingestellt am: | 12 Mai 2015 08:25 |
| Letzte Änderung: | 28 Feb 2023 12:41 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/13296 |