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Proteins - WordPress.com
Proteins - WordPress.com

... • Protein conformation is defined by its sequence of a.a. residues , which determines the function. • 3D- structure of a protein is determined by The characterisitics & interactions of the side chains in it’s a.a. sequence . Protein: glucagon -29 residues ...
GHW#10-Questions
GHW#10-Questions

Purification and some characteristics of a calcium
Purification and some characteristics of a calcium

... DEAE-cellulose chromatography. The dialysed fraction was loaded onto a DEAE-cellulose column (0-9 x 30cm) at a flow rate of 0.8 ml min-l. The column was washed with buffer B, then the protein was eluted with a gradient of NaCl ( 0 . 5 ~ in ) the same buffer. Fractions (3.2 ml) were collected and ana ...
Ch. 13: Translation and Proteins
Ch. 13: Translation and Proteins

... They were taken from giant salivary gland cells of the midgefly, Chironomus thummi. Note that the nascent polypeptide chain is apparent as it emerges from each ribosome. Its length increases as translation proceeds from left (5’) to right (3’) along the mRNA. ...
Electrophoretic techniques : general principles , supporting
Electrophoretic techniques : general principles , supporting

... The course aims to provide students with the theoretical and practical skills of the main basic methods used in the laboratories of biochemistry and molecular biology. At the end of the course students must be able to illustrate the principles underlying the methods covered during the course and kno ...
Week Of: 8/22-8/26
Week Of: 8/22-8/26

... The learning ng: The objective should be essential an agreed upon functions of a topic, skill, or concept from the cell involve guaranteed ACPSD chemical curriculum. reactions that take place between many different types of molecules (including carbohydrate s, lipids, proteins and nucleic acids) and ...
Bioc 462a Lecture Notes
Bioc 462a Lecture Notes

TRACE ELEMENTS
TRACE ELEMENTS

Teacher Quality Grant - Gulf Coast State College
Teacher Quality Grant - Gulf Coast State College

... Students will identify and/or describe the basic molecular structure of carbohydrates, lipids, proteins, and/or nucleic acids. Students will describe the primary functions of carbohydrates, lipids, proteins, and/or nucleic acids in organisms. Items will not refer to intermolecular forces found in th ...
Document
Document

... Molecular Weight (kDa) ...
THE Macromolecules PowerPoint - Panhandle Area Educational
THE Macromolecules PowerPoint - Panhandle Area Educational

... Students will identify and/or describe the basic molecular structure of carbohydrates, lipids, proteins, and/or nucleic acids. Students will describe the primary functions of carbohydrates, lipids, proteins, and/or nucleic acids in organisms. Items will not refer to intermolecular forces found in th ...
PPT File
PPT File

... Bradykinin (9 a.a.): inhibits inflammation of tissues Thyrotropin-releasing factor (3 a.a.): formed in hypothalamus stimulates the release of thyrotropin from the anterior pituitary ...
Relationship between protein surface and antibody binding
Relationship between protein surface and antibody binding

... Considering the continuous epitopes, the distribution of RSA and PI values for epitopic residues is identical to non epitopic. Considering the discontinuous type, a statistical difference is observed, but, epitopic elements are not spread over higher classes of values. ...
Case study - Castle High School
Case study - Castle High School

... bonding between nitrogenous bases. C. Fatty acid structure as a result of changes in ionic interactions between adjacent fatty acid chains. D. Protein secondary structure as a result of abnormal hydrophobic interactions between Rgroups in the backbone of the protein. ...
Stabilization by GroEL, a Molecular Chaperone, and a Periplasmic
Stabilization by GroEL, a Molecular Chaperone, and a Periplasmic

... ml" 1 each), or of BSA (100/jg ml" 1 ). Mixtures were incubated at 20 c C for 2 h and 20^1 of each sample were subjected to electrophoresis on a non-denaturing polyacrylamide gel. Lane 1, acid-unfolded DMSOR after incubation at 20° C for 2 h was completely reduced by boiling in the sample buffer (2% ...
Final Exam Revision Answers 2009
Final Exam Revision Answers 2009

... Molecular Weight (kDa) ...
Hydrolysed feather protein 1212F
Hydrolysed feather protein 1212F

... amino acids in hydrolysed feather protein. Material and method The sample of hydrolysed feather protein (standard) was received on 7 February 2012 from Sonac Son. The trial was conducted as a regression design, consisting of 4 groups with three animals in each group. Adult male mink of the colour ty ...
Alkaline Phosphatase
Alkaline Phosphatase

... phosphate esters, including those present in nucleic acids and nucleotides. Description: > More thermal stable than Calf Intestine Alkaline Phosphatase (CIAP, CIP). > Optimal incubation temperature is approximately 60oC, however the enzyme remains active from 20oC to 80oC. > Resistant to chemical ch ...
1 Abstract
1 Abstract

... Early pollen-stigma interactions are mediated by the exine layer of the cell wall and the pollen coat. In Brassica oleracea and Arabidopsis thaliana this pollen coat is enriched in low molecular weight proteins (6-10kDa) that are highly basic and appear to be highly polymorphic except for a conserve ...
Amino Acids - Building Blocks of Proteins
Amino Acids - Building Blocks of Proteins

... chains don’t like water. Hydrophobic side chains are also referred to as non-polar side chains. Now can you guess what hydrophilic means? Philic means likes or attracted to, so hydrophilic side chains like water. Hydrophilic side chains are also referred to as polar side chains. Acidic (Negatively C ...
colon cleanse colon cleanse advanced
colon cleanse colon cleanse advanced

... lipid and glucose levels.[8] vitamins, minerals, and the essential omega-6 fatty acid, linoleic acid.* ...
Carbon Compounds
Carbon Compounds

... called fatty acids. • If each carbon atom in a lipid’s fatty acid chains is joined to another carbon atom by a single bond, the lipid is said to be ...
Recombinant polypeptide production inE. coli: towards a rational
Recombinant polypeptide production inE. coli: towards a rational

... output is in agreement with the very early supposition that reducing the expression rate could limit the cell metabolic burden and promote protein folding quality [15]. The same effect of improved protein yield under conditions of promoter down-regulation was proved more recently for the arabinose-i ...
Document
Document

... The three amino acids should be touching "head-to-tail" in such a way that they could be glued together, but for repeated practice, just pretend that they become attached to each other (remember "dehydration synthesis"?) by placing your finger tips on their connecting points, and moving the three am ...
Uncoupling proteins - Widener University
Uncoupling proteins - Widener University

... Fig. 1. Physical appearance and body weights of normal (OB/OB), ob/ob, and NPY/ ob/ob mice. (A) Representative body shapes of male mice at 15 weeks of age. Photo was cropped at mid-tail level. (B and C) Body weights of male and female mice at various ages. Values are the mean ± SEM; n > 10 for each ...
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Western blot



The western blot (sometimes called the protein immunoblot) is a widely used analytical technique used to detect specific proteins in a sample of tissue homogenate or extract. It uses gel electrophoresis to separate native proteins by 3-D structure or denatured proteins by the length of the polypeptide. The proteins are then transferred to a membrane (typically nitrocellulose or PVDF), where they are stained with antibodies specific to the target protein. The gel electrophoresis step is included in western blot analysis to resolve the issue of the cross-reactivity of antibodies.There are many reagent companies that specialize in providing antibodies (both monoclonal and polyclonal antibodies) against tens of thousands of different proteins. Commercial antibodies can be expensive, although the unbound antibody can be reused between experiments. This method is used in the fields of molecular biology, immunogenetics and other molecular biology disciplines. A number of search engines, such as CiteAb, Antibodypedia, and SeekProducts, are available that can help researchers find suitable antibodies for use in western blotting.Other related techniques include dot blot analysis, immunohistochemistry and immunocytochemistry where antibodies are used to detect proteins in tissues and cells by immunostaining, and enzyme-linked immunosorbent assay (ELISA).The method originated in the laboratory of Harry Towbin at the Friedrich Miescher Institute. The name western blot was given to the technique by W. Neal Burnette and is a play on the name Southern blot, a technique for DNA detection developed earlier by Edwin Southern. Detection of RNA is termed northern blot and was developed by George Stark at Stanford.
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