منابع مشابه
Structure-Function Relationships in STAT Proteins
Background: Through specific activation of gene expression, the family of proteins known as signal transducers and activators of transcription (STATs) converts extracellular stimuli into diverse biological responses. Beyond the normal signaling functions of STATs, recent evidence indicates that aberrant activation of STATs contributes to neoplastic transformation. Methods: Current literature pe...
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A better understanding of proteins, their structure, function and roles in biological processes is a key step on the way to understand complex living organisms. Whereas experimental determination of the sequential encoding of proteins (amino acid sequence) is easy, finding out the three-dimensional structure of proteins is complicated and costly. As the structure of a protein usually establishe...
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Biological systems rely on heme-proteins to carry out a number of basic functions essential for their survival. Hemes, or iron-porphyrin complexes, are the versatile and ubiquitous active centers of these proteins. In the past decade, discovery of new heme-proteins, together with functional and structural research, provided a wealth of information on these diverse and biologically important mol...
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The ribosomal L12 protein gene of Sulfolobus solfataricus (SsoL12) has been subcloned and overexpressed in Escherichia coli. Five protein L12 mutants were designed: two NH2-terminal and two COOH-terminal truncated mutants and one mutant lacking the highly charged part of the COOH-terminal region. The mutant protein genes were overexpressed in E. coli and the products purified. The amino acid co...
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Research works proposed that radical scavenging activity of flavonoids is due to ring B, andthe remaining part of the molecule can be disregarded. Thus the objective of this work is toobserve whether hydroxytoluenes account the radical scavenging activity of flavonoid and toestablish structural requirements for their activity (as they showed appreciable activity) andelucidate a comprehensive me...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1973
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(19)43742-3