Fundamental Characteristics of AAA+ Protein Family Structure and Function.

Fundamental Characteristics of AAA+ Protein Family Structure and Function.
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DOI:
10.1155/2016/9294307
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发表时间:
2016
期刊:
Archaea (Vancouver, B.C.)
影响因子:
--
通讯作者:
Enemark EJ
Enemark EJ
中科院分区:
其他
文献类型:
--
作者:
Miller JM;Enemark EJ

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Many complex cellular events depend on multiprotein complexes known as molecular machines to efficiently couple the energy derived from adenosine triphosphate hydrolysis to the generation of mechanical force. Members of the AAA+ ATPase superfamily (ATPases Associated with various cellular Activities) are critical components of many molecular machines. AAA+ proteins are defined by conserved modules that precisely position the active site elements of two adjacent subunits to catalyze ATP hydrolysis. In many cases, AAA+ proteins form a ring structure that translocates a polymeric substrate through the central channel using specialized loops that project into the central channel. We discuss the major features of AAA+ protein structure and function with an emphasis on pivotal aspects elucidated with archaeal proteins.
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