منابع مشابه
The active-site environment of rhodopsin.
The 11-cis-retinal binding site of rhodopsin is of great interest because it is buried in the membrane but yet must provide an environment for charged amino acids. In addition, the active-site lysine residue must be able to engage in rapid Schiff base formation with 11-cis-retinal at neutral and lower pH values. This requires that this lysine be unprotonated. We have begun to study the environm...
متن کاملActive site-directed inactivation of constitutively active mutants of rhodopsin.
Recently, mutations of the active site Lys296 residue in rhodopsin (Lys296-->Glu and Lys296-->Met) have been found as the cause of disease in some patients with autosomal dominant retinitis pigmentosa. In vitro, these mutations result in constitutive activation of the protein. In an effort to develop a potential therapeutic agent for treatment of the disease, we have examined various amine deri...
متن کاملanalysis of reading comprehension needs of the students of paramedical studies: the case of the students of health information management (him)
چکیده ندارد.
15 صفحه اولthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour
this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1969
ISSN: 0306-3283
DOI: 10.1042/bj1150607