Purification and structural characterization of the thermosome from the hyperthermophilic archaeum Methanopyrus kandleri

Andrae, Stefan and Frey, Gerhard and Nitsch, Michael and Baumeister, Wolfgang and Stetter, Karl O. (1996) Purification and structural characterization of the thermosome from the hyperthermophilic archaeum Methanopyrus kandleri. FEBS LETTERS, 379 (2). pp. 127-131. ISSN 0014-5793, 1873-3468

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Abstract

From Methanopyras kandleri, the most thermophilic methanogen known so far, we have purified to homogeneity a protein complex of high molecular mass. Image analysis of transmission electron micrographs revealed a barrel-shaped particle composed of two rings with 8-fold symmetry. Only one type of subunit could be detected, The corresponding gene has been cloned and sequenced. The deduced amino acid sequence shows high homology with the members of group II chaperonins. The structure of the projection and the sequence homology suggest that this particle is the first thermosome isolated from a methanogen.

Item Type: Article
Uncontrolled Keywords: T-COMPLEX POLYPEPTIDE-1; MOLECULAR CHAPERONE; THERMOPHILIC ARCHAEBACTERIUM; HEAT-SHOCK; PROTEINS; ELECTROPHORESIS; 110-DEGREES-C; TUBULIN; GEN; NOV; Archaea; chaperonin; thermosome; Methanopyrus
Subjects: 500 Science > 570 Life sciences
Divisions: Biology, Preclinical Medicine > Institut für Biochemie, Genetik und Mikrobiologie > Lehrstuhl für Mikrobiologie (Archaeenzentrum)
Depositing User: Dr. Gernot Deinzer
Date Deposited: 14 Nov 2023 11:05
Last Modified: 14 Nov 2023 11:05
URI: https://pred.uni-regensburg.de/id/eprint/51990

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