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Chemistry and Biochemistry of B12

Chemistry and Biochemistry of B12
Author: Ruma Banerjee
Publisher: John Wiley & Sons
Total Pages: 960
Release: 1999-11-03
Genre: Science
ISBN: 9780471253907

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A Definitive New Reference for the Latest Advances in B_12 Chemistry and Biochemistry Over the past decade, the field of B_12 research has been revolutionized by such major breakthroughs as the unraveling of the entire biosynthetic pathway for this important vitamin. This comprehensive compendium surveys the wealth of information that has accumulated, covering in one volume virtually all aspects of the field-from physical and inorganic chemistry to enzymology, microbiology, medicine, and diagnostic and therapeutic applications. Edited by Dr. Ruma Banerjee, a highly respected and active member of the B_12 community, this work provides B_12 researchers with a dependable and up-to-date reference on the subject. Leading authorities from five continents explore such new areas as the structural biology of B_12-dependent enzymes, free-radical-mediated reaction mechanisms, biosynthesis, and much more. The role of B_12 in nutrition and disease, and B_12 transport, are also thoroughly examined. Complete with color illustrations and extensive references, Chemistry and Biochemistry of B_12 is a one-of-a-kind resource for biochemists, biophysicists, spectroscopists, microbiologists, molecular biologists, and anyone with an interest in "nature's most beautiful cofactor."


Comprehensive B12

Comprehensive B12
Author: Zenon Schneider
Publisher: Walter de Gruyter
Total Pages: 433
Release: 2011-11-14
Genre: Science
ISBN: 3110844796

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Vitamin B 12 and B 12-Proteins

Vitamin B 12 and B 12-Proteins
Author: Bernhard Kräutler
Publisher: John Wiley & Sons
Total Pages: 559
Release: 2008-07-11
Genre: Science
ISBN: 3527612181

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This timely and topical book reviews the important developments in the 'B12-field' with regard to biological, chemical, pharmaceutical and medicinal aspects. In over 30 chapters the approx. 100 internationally renowned authors give deeper insight into the prospering research activites around B12. This book is a must for everybody who works with or on vitamins and porphyrine (-like) ring systems. Topics of particular interest include: Biosynthesis of Vitamin B12; B12-catalyzed enzymatic reactions and their mechanisms; structural B12-chemistry; reactivity of B12 and B12-models; structure and function of B12-proteins; metabolic transport and storage of B12; pathological effects of B12-deficiency.


Vitamin B12

Vitamin B12
Author: Gerald Litwack
Publisher: Academic Press
Total Pages: 524
Release: 2022-03-23
Genre: Medical
ISBN: 0323992242

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Vitamin B12, Volume 119 in the Vitamins and Hormones series, highlights new advances in the field, with this new volume presenting interesting chapters written by an international board of authors. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in the Vitamins and Hormones series Updated release includes the latest information on Vitamin B12


Molecular Modelling of Vitamin B12 and Its Analogues

Molecular Modelling of Vitamin B12 and Its Analogues
Author: Penny Govender
Publisher: CRC Press
Total Pages: 177
Release: 2021-09-23
Genre: Medical
ISBN: 1000452301

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For many years, the chemistry of vitamin B12 and its derivatives has been investigated for their inherent eco-friendly and nontoxic nature. This vitamin, also known as cobalamin, is an organic complex that contains a cobalt ion in its structure. Its derivatives are vital bio-inorganic cofactors and possess complex and rich photolytic properties, facilitated by their excited states. This book compiles and details cutting-edge research in the application of vitamin B12 as an environmentally benign catalyst for several organic reactions. It discusses the recent advances and current understanding of the photolytic properties of vitamin B12 derivatives from the perspective of the density functional theory (DFT). The book is of interest for anyone involved in nanotechnology, macromolecular science, cancer, and drug-delivery research.


Delete Banerjee

Delete Banerjee
Author: Banerjee
Publisher: John Wiley & Sons
Total Pages: 456
Release: 1998-05-01
Genre: Science
ISBN: 9780471253884

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Coenzyme B12 Enzymes Part B

Coenzyme B12 Enzymes Part B
Author:
Publisher: Academic Press
Total Pages: 386
Release: 2022-05-27
Genre: Science
ISBN: 0323955584

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Coenzyme B12 Enzymes, Part B, Volume 169 in the Methods in Enzymology series, highlights new advances in the field, with this new volume presenting interesting chapters on Structural characterization of cobalamin-dependent radical SAM methylases, Purification and characterization of sequential cobalamin-dependent radical SAM methylases ThnK and TokK in -lactam antibiotic biosynthesis, Characterization of the cobalamin-dependent radical S-adenosyl-L-methionine enzyme C-methyltransferase Fom3 in fosfomycin biosynthesis, Studies of OxsB and GenK, two B12-dependent radical SAM enzymes involved in natural product biosynthesis, Purification and structural elucidation of the cobalamin-dependent radical SAM enzyme OxsB, and more. Other chapters discuss Methods for studying the mechanisms of B12 enzymes, Computational investigations of B12 dependent enzymatic reactions, Using kinetic isotope effects to probe the mechanisms of adenosylcobalamin-dependent enzymes, Steady-state and pre-steady state kinetic analysis of ornithine 4,5-aminomutase, and more. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in Methods in Enzymology series Includes the latest information on B12 Enzymes


Delete Banerjee Set

Delete Banerjee Set
Author: John Wiley & Sons Australia, Limited
Publisher: John Wiley & Sons
Total Pages: 1200
Release: 1998-05-01
Genre: Science
ISBN: 9780471253891

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Coenzyme B12 Enzymes Part A

Coenzyme B12 Enzymes Part A
Author:
Publisher: Academic Press
Total Pages: 392
Release: 2022-05-17
Genre: Science
ISBN: 0323915922

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B12 Enzyme, Volume 667 in the Methods in Enzymology serial, highlights new advances in the field with this new volume presenting timely, interesting chapters, including Part I: B12 Biosynthesis and B12 Chaperones, Probing the preference and regioselectivity of lower ligand activation and its role in cobamide diversity, Biosynthesis of corrinoids, The human B12 trafficking chaperones: CblC, CblD and ATR, A method for the efficient adenosylation of corrinoids, Production, purification and liposome reconstitution of cobamide synthase, Extraction and Purification of Cobamides from Bacterial Cultures, Part II: The many faces of B12-dependent enzyme reactions, Methylcobalamin-dependent methionine synthase, and much more. Provides the authority and expertise of leading contributors from an international board of authors Presents the latest release in Methods in Enzymology serials Includes the latest information on B12 Enzymes


Laboratory Assessment of Vitamin Status

Laboratory Assessment of Vitamin Status
Author: Dominic J. Harrington
Publisher: Academic Press
Total Pages: 340
Release: 2018-11-28
Genre: Medical
ISBN: 0128130512

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Laboratory Assessment of Vitamin Status provides a comprehensive understanding of the limitations of commonly used approaches used for the evaluation of vitamin status, reducing harm in the general health setting. It outlines the application of ‘Best Practice’ approaches to the evaluation of vitamin status, giving physicians and other healthcare professionals the opportunity to make evidence-based interventions. Nearly every metabolic and developmental pathway in the human body has a dependency on at least one micronutrient. Currently, the clinical utility of approaches taken by laboratories for the assessment of vitamin status is generally poorly understood, missing the opportunity to diagnosis vitamin deficiencies. This essential reference gives clinical and biomedical scientists an understanding of the limitations of commonly used approaches to the evaluation of vitamin status in the general health setting through change in practice. Nutritionists and dietitians gain an understanding of more sophisticated markers of vitamin status. Describes specialist assays in sufficient detail to enable laboratories to replicate what is being performed by expert groups Provides detailed information that supports laboratories in the setting up of methods for the evaluation of vitamin status Informs laboratories looking for third party providers of specialist investigations Provides an essential overview of reference ranges for each vitamin