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Evolutionary relationship of two ancient protein superfolds

Title data

Farías-Rico, José Arcadio ; Schmidt, Steffen ; Höcker, Birte:
Evolutionary relationship of two ancient protein superfolds.
In: Nature Chemical Biology. Vol. 10 (September 2014) Issue 9 . - pp. 710-715.
ISSN 1552-4469
DOI: https://doi.org/10.1038/nchembio.1579

Abstract in another language

Proteins are the molecular machines of the cell that fold into specific three-dimensional structures to fulfill their functions. To improve our understanding of how the structure and function of proteins arises, it is crucial to understand how evolution has generated the structural diversity we observe today. Classically, proteins that adopt different folds are considered to be nonhomologous. However, using state-of-the-art tools for homology detection, we found evidence of homology between proteins of two ancient and highly populated protein folds, the (βα)8-barrel and the flavodoxin-like fold. We detected a family of sequences that show intermediate features between both folds and determined what is to our knowledge the first representative crystal structure of one of its members, giving new insights into the evolutionary link of two of the earliest folds. Our findings contribute to an emergent vision where protein superfolds share common ancestry and encourage further approaches to complete the mapping of structure space onto sequence space.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Biochemistry > Chair Biochemistry - Univ.-Prof. Dr. Birte Höcker
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Biochemistry
Result of work at the UBT: No
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 23 May 2017 09:06
Last Modified: 02 Jun 2017 05:59
URI: https://eref.uni-bayreuth.de/id/eprint/37215