Introduction to Proteomics: Principles and Applications by Nawin C. Mishra, Günter Blobel

By Nawin C. Mishra, Günter Blobel

A world-class, concise consultant to all issues proteomics

This publication offers a hugely authoritative advent to the promising and fast-advancing box of proteomics, analyzing the function proteomics performs within the research of organic platforms mostly and ailment specifically. It is helping readers comprehend the constitution, functionality, and interactions of proteins and the way this information is used for picking ailments and constructing new drugs.

Nawin Mishra, a world-renowned speaker and chief in proteomics reviews who has labored with the past due Nobel Laureate E. L. Tatum while proteomics used to be in its infancy, deals a professional viewpoint at the whole box, including:

  • Easily obtainable evaluation of the rules of proteomics

  • Coverage of real-world, state of the art scientific functions, together with customized medicine

  • Clear instructions on the best way to function the advanced instrumentation serious about proteomics

  • Discussion of the way forward for proteomics

Complete with convenient learn questions and assuming just a easy realizing of biology, Introduction to Proteomics is a useful reference for newbies and examine scientists alike

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Extra resources for Introduction to Proteomics: Principles and Applications

Example text

To sequence a protein, it is usually fragmented into peptides of approximately 50 amino acids by cyanogens bromide cleavage or by tryptic digestion. Peptides are first separated from one another. A particular peptide is then adsorbed on to a solid surface such as glass fiber coated with cationic polymer polybrene. An Edman reagent phenylisothiocyanate (PTH) is added to the adsorbed peptide in a basic buffer solution of trimethylamine. In this solution, PTH reacts with an amino group of the N-terminal amino acid, which is then selectively separated from the peptide by the addition of an anhydrous acid.

The amino group of the dipeptide is then deprotected by the removal of the protecting group at the amino terminal and then reacted by a third amino acid with a protected amino group and a activated carboxyl group, which leads to the synthesis of the tripeptide. This process of protection, activation, and deprotection is continued in a cyclic manner until the synthesis of the entire peptide or protein is completed. During such chemical synthesis, it is important to protect certain reactive side chains of the amino acid.

In alternate splicing, the exons are brought together in different combinations. For example, if there are three exons in a gene, an mRNA may contain exon 1 and exon 2, whereas another mRNA from the same gene contains exon 1 and exon 3 so that the two mRNAs will produce entirely different proteins with different amino acids in the C-terminal ends. These two proteins would have entirely different functions contolling different biochemical reactions in the physiology of an organism. Thus, depending on the number of exons, this method of alternate splicing may produce an array of mRNA for entirely different proteins.

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