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AAA+ ATPases: structural insertions under the magnifying glass.


ABSTRACT: AAA+ ATPases are a diverse protein superfamily which power a vast number of cellular processes, from protein degradation to genome replication and ribosome biogenesis. The latest advances in cryo-EM have resulted in a spectacular increase in the number and quality of AAA+ ATPase structures. This abundance of new information enables closer examination of different types of structural insertions into the conserved core, revealing discrepancies in the current classification of AAA+ modules into clades. Additionally, combined with biochemical data, it has allowed rapid progress in our understanding of structure-functional relationships and provided arguments both in favour and against the existence of a unifying molecular mechanism for the ATPase activity and action on substrates, stimulating further intensive research.

SUBMITTER: Jessop M 

PROVIDER: S-EPMC7973254 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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AAA+ ATPases: structural insertions under the magnifying glass.

Jessop Matthew M   Felix Jan J   Gutsche Irina I  

Current opinion in structural biology 20201124


AAA+ ATPases are a diverse protein superfamily which power a vast number of cellular processes, from protein degradation to genome replication and ribosome biogenesis. The latest advances in cryo-EM have resulted in a spectacular increase in the number and quality of AAA+ ATPase structures. This abundance of new information enables closer examination of different types of structural insertions into the conserved core, revealing discrepancies in the current classification of AAA+ modules into cla  ...[more]

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