Isoelectric Point Separations of Peptides and Proteins
نویسندگان
چکیده
The separation of ampholytic components according to isoelectric point has played an important role in isolating, reducing complexity and improving peptide and protein detection. This brief review outlines the basics of isoelectric focusing, including a summary of the historical achievements and considerations in experimental design. Derivative methodologies of isoelectric focusing are also discussed including common detection methods used. Applications in a variety of fields using isoelectric point based separations are provided as well as an outlook on the field for future studies.
منابع مشابه
Capillary electrophoresis of proteins and peptides.
Capillary electrophoresis (CE) is a high-resolution technique for the separation of a wide variety of molecules of biological interest such as metabolites, drugs, amino acids, nucleic acids, and carbohydrates. This unit focuses on the use of CE to separate proteins and peptides based on charge-to-mass ratios. Separation of proteins based on their isoelectric points is described along with a pro...
متن کاملPeptide and Protein Delivery at a Glance
Peptide and protein drugs have found an important position in therapeutics. Recent advances in pharmaceutical biotechnology have led to an increase in the number of protein products in the market. As these therapeutic proteins and peptides are made available, it will be essential to formulate these drugs into safe and effective delivery systems. The twenty different naturally occurring amin...
متن کاملPeptide and Protein Delivery at a Glance
Peptide and protein drugs have found an important position in therapeutics. Recent advances in pharmaceutical biotechnology have led to an increase in the number of protein products in the market. As these therapeutic proteins and peptides are made available, it will be essential to formulate these drugs into safe and effective delivery systems. The twenty different naturally occurring amin...
متن کاملProcessing Time Effects on Functional and Antioxidant Properties of the Quinoa Proteins Hydrolyzed with Alcalase and Pancreatin
Background and Objectives: Antioxidants are used to decrease oxidation of oils and increase shelf life of foods for centuries. Nowadays, researchers investigate for the replacement of synthetic antioxidants with antioxidants from natural sources. The purpose of this study was to investigate effects of quinoa enzyme-hydrolyzed proteins on functional and antioxidant properties of the produced pep...
متن کاملA novel phosphoprotein analysis scheme for assessing changes in premalignant and malignant breast cell lines using 2D liquid separations, protein microarrays and tandem mass spectrometry.
An analysis of phosphorylation changes that occur during cancer progression would provide insights into the molecular pathways responsible for a malignant phenotype. In this study we employed a novel coupling of 2D-liquid separations and protein microarray technology to reveal changes in phosphoprotein status between premalignant (AT1) and malignant (CA1a) cell lines derived from the human MCF1...
متن کامل