Protonation reactions and their coupling in bacteriorhodopsin
نویسندگان
چکیده
منابع مشابه
Conjugate addition–enantioselective protonation reactions
The addition of nucleophiles to electron-deficient alkenes represents one of the more general and commonly used strategies for the convergent assembly of more complex structures from simple precursors. In this review the addition of diverse protic and organometallic nucleophiles to electron-deficient alkenes followed by enantioselective protonation is summarized. Reactions are first categorized...
متن کاملin translation: translators on their work and what it means
کتاب در باب ترجمه، اثر استر آلن و سوزان برنوفسکی منتشر شده در ماه می 2013 توسط نشریه کلمبیا است. نویسندگان در این کتاب به بررسی 18 مترجم با در نظر گرفتن نقش آثاری که این مترجمان ترجمه کرده اند میپردازند. کتاب به دو بخش تقسیم میشود: " مترجم در جهان" و " کار مترجم" این دو بخش مقالات همیشگی ترجمه و موقعیت خاص ادبیات بیگانه در جهان وسیع امروزی را مورد خطاب قرار میدهد. در این کتاب مقالات متعددی از ن...
Protonation dynamics of the extracellular and cytoplasmic surface of bacteriorhodopsin in the purple membrane.
The dynamics of proton binding to the extracellular and the cytoplasmic surfaces of the purple membrane were measured by laser-induced proton pulses. Purple membranes, selectively labeled by fluorescein at Lys-129 of bacteriorhodopsin, were pulsed by protons released in the aqueous bulk from excited pyranine (8-hydroxy-1,3,6-pyrenetrisulfonate) and the reaction of protons with the indicators wa...
متن کاملCoupling Reactions
Coupling reactions, most prominently Heck and Suzuki couplings but also Sonogashira coupling and allylic substitution, are established catalytic transformations for the synthesis of fine chemicals. The recovery of catalytically active complexes from such coupling reactions, by the concept of covalent binding to soluble polymers, has been studied by various research groups. This research, addres...
متن کاملProton transfer reactions across bacteriorhodopsin and along the membrane.
Bacteriorhodopsin is probably the best understood proton pump so far and is considered to be a model system for proton translocating membrane proteins. The basis of a molecular description of proton translocation is set by having the luxury of six highly resolved structural models at hand. Details of the mechanism and reaction dynamics were elucidated by a whole variety of biophysical technique...
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ژورنال
عنوان ژورنال: Biochimica et Biophysica Acta (BBA) - Bioenergetics
سال: 2000
ISSN: 0005-2728
DOI: 10.1016/s0005-2728(00)00131-6