Author: Yuji Tonomura
Publisher: Cambridge University Press
ISBN: 9780521304795
Category : Medical
Languages : en
Pages : 318
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Book Description
Professor Tonomura's book explains at the molecular level how cells use energy harnessed as adenosine triphosphate to perform the fundamental physiological functions such as muscle contraction and the active transport of cations. A well-written, interesting account of the structure and kinetics of energy-transducing ATPases.
Author: James Shorter
Publisher: Frontiers Media SA
ISBN: 2889456560
Category :
Languages : en
Pages : 287
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Book Description
ATPases Associated with diverse cellular Activities (AAA+) comprise a superfamily of proteins that are defined by the presence of the AAA+ domain containing canonical Walker A and B motifs required for ATP binding and hydrolysis. Members of this superfamily act on other proteins, DNA, RNA, or multicomponent complexes to affect their conformation or their assembly. There have been substantial advances in understanding the structure and mechanism of function of a large number of AAA+ proteins. In this Research Topic, review articles and original research papers discuss new aspects as well as provide a detailed overview of several AAA+ proteins, namely: ClpXP, Lon, ClpB, Hsp104, p97, AAA+ proteins of the proteasome, Rubisco activases, Torsin, Pontin, and Reptin.
Author: Peter Läuger
Publisher: Sinauer Associates, Incorporated
ISBN:
Category : Science
Languages : en
Pages : 336
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Book Description
Electrogenic ion pumps convert chemical, reduction-oxidation, or light energy- into ion concentration differences across all living cells. They are the engines that run cells. In this text, Dr Lunger develops the principles of physical chemistry required to understand the functions of these macromolecules.
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 776
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Book Description
Author: Paul H.J. Nederkoorn
Publisher: Springer Science & Business Media
ISBN: 1468414070
Category : Medical
Languages : en
Pages : 158
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Book Description
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1398
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Book Description
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 866
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Book Description
Author: Ernst Bamberg
Publisher: Springer Science & Business Media
ISBN: 3642725112
Category : Medical
Languages : en
Pages : 924
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Book Description
The sodium of animal cell membranes converts the chemical energy obtained from the hydrolysis of adenosine 5' -triphosphate into a movement of the cations Na + and K + against an electrochemical gradient. The gradient is used subse quently as an energy source to drive the uptake of metabolic substrates in polar epithelial cells and to use it for purposes of communications in excitable cells. The biological importance of the sodium pump is evident from the fact that be tween 20-70% of the cell's metabolic energy is consumed for the pumping pro cess. Moreover, the sodium pump is an important biological system involved in regulatory processes like the maintenance of the cells' and organism's water me tabolism. It is therefore understandable that special cellular demands are han dled better by special isoforms of the sodium pump, that the expression of the sodium pump and their isoforms is regulated by hormones as is the activity of the sodium pump via hormone-regulated protein kinases. Additionally, the sodium pump itself seems to be a receptor for a putative new group of hormones, the endogenous digitalis-like substances, which still have to be defined in most cases in their structure. This group of substances has its chemically well known coun terpart in steroids from plant and toad origin which are generally known as "car diac glycosides". They are in medical use since at least 200 years in medicine in the treatment of heart diseases.
Author: J. C. Skou
Publisher:
ISBN: 9780845154007
Category : Adenosine triphosphatase
Languages : en
Pages : 714
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Book Description
Author: Stephen A. Kuby
Publisher: CRC Press
ISBN: 9780849369889
Category : Medical
Languages : en
Pages : 646
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Book Description
This comprehensive monograph consists of two parts: Volume I, entitled Enzyme Catalysis, Kinetics, and Substrate Binding; and Volume II, entitled Mechanism of Enzyme Action. Volume I focuses on several aspects of enzyme catalytic behavior, their steady-state and transient-state kinetics, and the thermodynamic properties of substrate binding. Packed with figures, tables, schemes, and photographs, this volume contains over 1,000 references, including references regarding enzymology's fascinating history. This comprehensive book is of particular interest to enzymology students, teachers, and researchers. Volume II presents selected "cutting edge" examples of techniques and approaches being pursued in biochemistry. This up-to-date resource includes 11 chapters, which illustrate important theoretical and practical aspects of enzyme mechanisms. It also features selected examples in which today's most important techniques, ideas, and theories are used to elaborate on the intricate nature of enzyme action mechanisms. This particular volume provides important information for both the novice and the seasoned investigator.
