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B2 Protein structure and function
B2 Protein structure and function

... (subunits). These subunits may be identical or different. The same forces which stabilize tertiary structure hold these subunits together. This level of organization called quaternary structure. ...
Monoclonal Antibodies - Home - KSU Faculty Member websites
Monoclonal Antibodies - Home - KSU Faculty Member websites

... Affinity and Avidity Affinity: the strength of binding between a single binding site and a single ligand. Avidity: the strength of binding between a molecule and a complex ligand, e.g. if there are multiple binding sites then the avidity may be increased by increasing the number of binding sites or ...
membrane structure n function
membrane structure n function

... Figure 10-21. Beta barrels formed from different numbers of beta strands. (1) The E. coli OmpA protein (8 b strands), which serves as a receptor for a bacterial virus. (2) The E. coli OMPLA protein (12 b strands), is a lipase that hydrolyses lipid molecules. The amino acids that catalyze the enzyma ...
AH summary Unit 1
AH summary Unit 1

... molecule. Binding changes the conformation of the receptor and this can alter the response of the cell. Different cell types produce specific signals which can only be detected and responded to by cells with the specific receptor. In a multicellular organism different cell types may show a tissue sp ...
Supplementary Information
Supplementary Information

... Figure 1: Verification of the applied cell fractionation technique. The efficiency of subcellular protein fractionation was determined by immunoblotting using cytoplasmic and nuclear marker proteins. Topoisomerase I (TopoI) was detected as a nuclear marker protein using an anti-DNA-TopoI antibody ( ...
Supplementary Information (doc 38K)
Supplementary Information (doc 38K)

... GADD45 DNA probes that correspond to nucleotides -112 to +287 of the GADD45 promoter region and 1 g of poly(dI-dC) were mixed together with the cell extract. After an incubation for 1 h on ice, anti-ATF-2 (C19, Santa Cruz), anti-BRCA1 (Ab-3, Oncogene Research), or anti-Oct1 (12F11, Santa Cruz) an ...
Solutions to 7.014 Quiz I
Solutions to 7.014 Quiz I

... f) Describe one mechanism that is commonly used in such coupled reactions. One common mechanism involves transferring the third phosphate of the ATP onto one of the reactants, thus raising its energy state such that the new, coupled reaction is now favorable. Another mechanism involves performing AT ...
Lysis of E.coli for the Purification of Soluble Recombinant Proteins
Lysis of E.coli for the Purification of Soluble Recombinant Proteins

... yield is low. Sonication generates heat that may be detrimental to many proteins. Both sonication and French pressure cells require specialized equipment and do not work effectively with large volumes. Lysozyme treatment adds protein to the extract and may introduce unwanted proteolytic enzymes. We ...
Protein Powerpoint
Protein Powerpoint

... the amino acids from red beans However if you combine red beans with rice you will be able to get all the essential amino acids ...
light
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... 2) The red light receptors—phytochrome family—have two reversible light absorbing forms---Pr for red light-absorbing form and Pfr for far red absorbing form. The Pfr is the biologically active form. ...
PowerPoint Presentation from June
PowerPoint Presentation from June

... positive identification of the analyzed protein depends on the presence of its sequence in those databases. ...
n - IBIVU
n - IBIVU

... RNase A) may convert to monomers, as indicated by the backward arrow. B: Over time, amino acid substitutions may stabilize an interface that does not exist in the closed monomers. This interface formed between open monomers is referred to as the 0- (open) interface. The 0-interface can involve domai ...
Nutrition - GCO 2 - Proteins.notebook
Nutrition - GCO 2 - Proteins.notebook

... The amino acids can be arranged in a straight line or stacked  up and branched like a tree. DNA (deoxyribonucleic acid) is found in every nucleus of a  cell.  It has the instructions for how amino acids will be linked  to form the proteins in your body. ...
Chapter 3: Molecules of Life The molecules of life contain a high
Chapter 3: Molecules of Life The molecules of life contain a high

... ____________________ consist of two monosaccharide monomers Examples: ____________________: composed of glucose + galactose ____________________: composed of glucose + fructose ____________________: composed of galactose + fructose ______________________________: chains of hundreds or thousands of m ...
BOXIN – AN ICHTHYOTOXIC PROTEIN FROM BOXFISHES  Research Article
BOXIN – AN ICHTHYOTOXIC PROTEIN FROM BOXFISHES Research Article

... The occurrence of toxic proteins in various sources like microorganisms, snake venoms, fish venoms etc have created an intense curiosity and formulation of research to study them. Boxin is one such toxic protein that is less widely known and appreciated. Boxin is a stable, heat and trypsin resistant ...
A View of Life
A View of Life

... uppercase letters, while recessive alleles are assigned lowercase letters. ...
100% ISO Protein - North Coast Naturals
100% ISO Protein - North Coast Naturals

... • No yeast, wheat or gluten • Free from Bovine Growth Hormone or BSE • Suitable for all body types and ages • Convenient to use, shakes up easily with no blending required • Available in three tasty flavours: Chocolate (made with Cocoa Camino),Vanilla, and Unflavoured (perfect for making fresh fruit ...
Computational Biology 1 - Bioinformatics Institute
Computational Biology 1 - Bioinformatics Institute

... Protein Stability • High temperature break weak bonds that stabilize the native state eventually converting it to the denatured state. • Denatured state identified by loss of biochemical activity. • Because the free energy difference between denatured and native state is so small, a single mutation ...
Study Guide Test 3
Study Guide Test 3

... environment impact the water requirements? 2. What are the six primary functions of water in the body? 3. Describe the 4 methods humans use to get rid of heat. How does exercise and the environment impact each method? 4. What is the relationship between oxygen consumption, heat production and core t ...
No Slide Title
No Slide Title

... Prediction methods exist for all kinds of motifs, signals etc. in newly discovered protein sequences. These are based on either the protein sequence itself or its comparison to protein families (a multiple sequence alignment) Combining these predictions with primary biochemical data can provide valu ...
Pfam-A
Pfam-A

... Prediction methods exist for all kinds of motifs, signals etc. in newly discovered protein sequences. These are based on either the protein sequence itself or its comparison to protein families (a multiple sequence alignment) Combining these predictions with primary biochemical data can provide valu ...
Potassium sulfate Product Number P0772 Store at - Sigma
Potassium sulfate Product Number P0772 Store at - Sigma

... For Laboratory Use Only. Not for drug, household or other uses. Preparation Instructions This product is soluble in water (66 mg/ml), yielding a clear, colorless solution. References 1. The Merck Index, 12th ed., Entry# 7845. 2. Thompson, M., et al., A comparison of the Kjeldahl and Dumas methods fo ...
Mr. David Cortens In Vivo Synthesis of ?Click? Functionalized
Mr. David Cortens In Vivo Synthesis of ?Click? Functionalized

... proteins on complementary functionalized surfaces for the production of bioactive materials. Besides this they can be used to introduce physical and fluorescent probes or NMR tags. In this research, nanobodies will be used as a protein system, although this in vivo system is applicable for other typ ...
Lecture 11, chemical genetics - Cal State LA
Lecture 11, chemical genetics - Cal State LA

... Attach the drug puromycin to 3’ end of all mRNA from a cell Fusion proteins are made when ribosome reaches 3' end of mRNA - Puromycin enters the peptidyl transferase site - Creates a covalent link between the mRNA and new protein Protein-mRNA fusions can then be screened for protein interactions usi ...
Membrane Bound: C2-Domain Abscisic Acid
Membrane Bound: C2-Domain Abscisic Acid

... role in regulating plant stress responses, transpiration, seed germination, and embryogenesis. In order to function, ABA must bind to soluble PYRABACTIN RESISTANCE (PYR)/PYR1-LIKE (PYL) ABA receptors. Following perception of ABA, these receptors form ternary complexes with clade A PP2C phosphatases ...
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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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