کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1943709 1537056 2006 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bioenergetics of archaea: Ancient energy conserving mechanisms developed in the early history of life
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک دانش گیاه شناسی
پیش نمایش صفحه اول مقاله
Bioenergetics of archaea: Ancient energy conserving mechanisms developed in the early history of life
چکیده انگلیسی

A key component in cellular bioenergetics is the ATP synthase. The enzyme from archaea represents a new class of ATPases, the A1AO ATP synthases. They are composed of two domains that function as a pair of rotary motors connected by a central and peripheral stalk(s). The structure of the chemically-driven motor (A1) was solved by small angle X-ray scattering in solution, and the structure of the first A1AO ATP synthases (from methanoarchaea) was obtained recently by single particle analyses. These studies revealed novel structural features such as a second peripheral stalk and a collar-like structure. Interestingly, the membrane-embedded electrically-driven motor (AO) is very different in archaea with sometimes novel, exceptional subunit composition.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochimica et Biophysica Acta (BBA) - Bioenergetics - Volume 1757, Issues 5–6, May–June 2006, Pages 437–445
نویسندگان
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