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Protein structure and function
Protein structure and function

... 2- Secondary structure of proteins: The polypeptide backbone does not assume a random three-dimensional structure, but instead generally forms regular arrangements of amino acids that are located near to each other in the linear sequence. These arrangments are termed the secondary structure of the p ...
Labels for Enzymes Used in Feed
Labels for Enzymes Used in Feed

... Remember the end user – Include avoirdupois units – If different species or animal classes require different amounts, state that „ Phytase ...
Identification of the Protein Storage Vacuole
Identification of the Protein Storage Vacuole

... Figure 1. Expression and localization of phaseolin in leaf protoplasts of three plant species. A, Western-blot analysis of phaseolin in Arabidopsis. Protein extracts were prepared from protoplasts transformed with phaseolin (Pha) and untransformed protoplasts (Non) 24 h after transformation and were ...
Gene Section NOL3 (nucleolar protein 3 (apoptosis repressor with CARD domain))
Gene Section NOL3 (nucleolar protein 3 (apoptosis repressor with CARD domain))

... The NOL3 gene is located on the long arm of human chromosome 16. The gene consists of 4 small exons (exons denoted above as thick boxes) and 3 small introns. The translational start site is in exon 2. Alternative splicing occurs between exons 2 and 3. This involves two splice donors separated by 10 ...
Document
Document

... Examples: Casein, the protein of milk, is the major source of amino acids for baby mammals. Plants have storage proteins in their seeds. Ovalbumin is the protein of egg white, used as an amino acid source for the developing embryo. ...
Biochemical Evidence for the Role of the Waxy Protein fron Pea
Biochemical Evidence for the Role of the Waxy Protein fron Pea

... of the maize Wx and potato Wx proteins and the glycogen synthase of Escherichia coli (see also Preiss, 1991) and could find no obvious difference that could justify the lack of starch synthase activity of the pea 59-kD protein. The data presented here indicate that in developing pea embryos the Wx p ...
The Lysosomes and lysosomal storage disorders (LSD)
The Lysosomes and lysosomal storage disorders (LSD)

... History of the LSDs • Symptoms of some LSDs were described as early as the 1880s, • Many had been described and classified before the lysosome was discovered in 1955 and before their biochemical and genetic basis was fully understood • This is why they received common names (i.e.: Gaucher disease, ...
Feeney_ku_0099D_12934_DATA_1 - KU ScholarWorks
Feeney_ku_0099D_12934_DATA_1 - KU ScholarWorks

... targeted to these modifications are important tools for determining which specific modifications may be significant in these conditions. Toward this end, a method designed to fluorogenically label the protein oxidation products 3-nitrotyrosine (3NY) and 3,4-dihydroxyphenylalanine (DOPA) using benzyl ...
Notes for using PROTPOL.f
Notes for using PROTPOL.f

... (note that the RESTYPE and NORES for the CA, C, O are incorrectly given as those for the following residue – these parameters are only correct for the N) Followed by three lines with (Q(I, I), (H(J, I), J = 1, 3), I = 1, 3) Q (I, I) = Ith diagonal element of moment of inertia matrix in principal axi ...
Intact PTH
Intact PTH

... Intact PTH For In Vitro Diagnostic Use The MicroVue PTH EIA measures the amount of intact Parathyroid Hormone (PTH) in experimental samples. PTH (Parathyroid hormone, Parathormone, Parathyrin) is biosynthesized in the parathyroid gland as a pre-proparathyroid hormone, a larger molecular precursor co ...
Health relevance of intestinal protein fermentation in young
Health relevance of intestinal protein fermentation in young

... disease is doubtless. This review summarizes the recent knowledge related to the microbial ecology of protein fermentation and the appearance of protein-derived metabolites along the pig intestine. The amount of fermentable protein depends on factors such as dietary protein concentration, protein di ...
Selective Amino Acid-Type Labeling(continued)
Selective Amino Acid-Type Labeling(continued)

... amino acids that may be used with either in vivo growth systems or cell-free protein expression methods. ...
〈1055〉 biotechnology- derived articles—peptide mapping
〈1055〉 biotechnology- derived articles—peptide mapping

... to avoid its contribution to the chromatographic map pattern. A protein-to-protease ratio between 20 : 1 and 200 : 1 is generally used. It is recommended that the cleavage agent be added in two or more stages to optimize cleavage. Nonetheless, the final reaction volume remains small enough to facili ...
Variation in Glutenin Protein Subunits of Wheat
Variation in Glutenin Protein Subunits of Wheat

... importance in determining gluten properties because it contains protein aggregates of high molecular weight (up to several million) formed by the association of a number of constituent polypeptide chains (see Kasarda et al. 1976 for a review). These polypeptides are referred to as subunits in this p ...
Snímek 1
Snímek 1

... • The repeat structure in DM2 is more complex than the triplet repeat seen in DM1. The normal repeat structure is (TG)12-26(TCTG)7-12(CCTG)3-9(g/tCTG)0-4(CCTG)4-15. • Individuals with 22-33 uninterrupted CCTG repeats carry a premutation. These individuals are asymptomatic. However, these repeats are ...
Statistical analysis of DNA microarray data
Statistical analysis of DNA microarray data

... Tertiary structure  In globular proteins such as enzymes, the long chain of amino acids becomes folded into a three-dimensional functional shape or tertiary structure. This is because certain amino acids with sulfhydryl or SH groups form disulfide (S-S) bonds with other amino acids in the same cha ...
Directed Enzyme Evolution and High
Directed Enzyme Evolution and High

... are still in their infancy and present an imposing challenge for process scientists today. Choosing the appropriate methods of library generation and screening or selection is paramount to the success of any directed evolution experiment. Library diversity can be created through either mutagenesis ( ...
Insulin mRNA to Protein Kit Student Handout
Insulin mRNA to Protein Kit Student Handout

... • The ribosome synthesizes a precursor form of insulin, known as preproinsulin. • Preproinsulin is processed to become mature, functional insulin as it proceeds through the endoplasmic reticulum and Golgi apparatus, moving toward the cell membrane where it can be secreted from the cell. • When th ...
Targeted Identification of Glycoproteins in Disease
Targeted Identification of Glycoproteins in Disease

... Many species of pathogenic bacteria are developing resistance to antibiotic treatments.(1) As such, there is a rising need for novel therapeutic targets. The glycosylated, or sugar-modified, proteins present on bacterial cell surfaces provide one such target.(2) Importantly, glycosylation patterns v ...
Interaction of cycloheximide with 25S ribosomal RNA from yeast
Interaction of cycloheximide with 25S ribosomal RNA from yeast

... sulphate or by kethoxal. The sites of chemical modification and the drug protection site(s) are detected by isolating the ribosomal RNA and carrying out primer extension using suitable DNA oligomers that prime the action of the enzyme reverse transcriptase. After the above experiments had been carri ...
3.Periodontal probe
3.Periodontal probe

... • The development of these probes will allow more sensitive assessments of disease progression. ...
The potato NLR immune receptor R3a does not contain
The potato NLR immune receptor R3a does not contain

... identity with R3a (Huang et al. 2004, Li et al. 2011). R3b also confers resistance to P. infestans but with a distinct recognition specificity compared to R3a (Huang et al. 2004, Li et al. 2011). R3a and R3b share their highest similarity in the CC domain (79% amino acid identity), whereas R3a and I ...
1. Sucrose is a disaccharide. The diagram shows the structure of a
1. Sucrose is a disaccharide. The diagram shows the structure of a

... Although different proteins have different shapes, they share a number of structural features. They are formed from 20 different types of amino acid, each containing the same four chemical elements. Unlike triglycerides, proteins are polymers. Their chains are linear and never branched. The primary ...
Critical care: Meeting protein requirements without overfeeding energy
Critical care: Meeting protein requirements without overfeeding energy

... were similar between local (FeedCalc) guidelines for 'mild' catabolism, 1.2 g protein per Kg (ASPEN lower limit) or adjusted weight (Fig. 1). Local estimates for 'moderate' or 'severe' catabolism, ESPEN and ASPEN upper estimates (2 g/kg/d) or for obese and morbidly obese patients (2 and 2.5 g/kg Ham ...
CHAPTER 6
CHAPTER 6

... The open (O) conformation is inactive and has a low affinity for ligands; the L conformation (with “loose” affinity for ligands) is also inactive; the tight (T) conformation is active and has a high affinity for ligands. Synthesis of ATP is initiated (step 1) by binding of ADP and Pi to an L site. I ...
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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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