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Protein


Proteins are macromolecules. They are constructed from one or more unbranched chains of amino acids; that is, they are polymers.
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protein
compound of carbon, hydrogen, oxygen, and traces of phosphorous or sulfur
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Protein translocation
In 1970, Gnter Blobel conducted experiments on the translocation of proteins across membranes. He was awarded the 1999 Nobel prize for his findings.
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Protein Synthesis Cartoon by Millard Susman (University of Wisconsin) Download an animation of the process (sorry, you will need a Macintosh).
Animated GIF of Translation From the Gene Zine.
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A protein derived from the Sendai virus which can be used in the laboratory to cause cell fusion between somatic cells (any cell that is not a gamete). It is also used to make fusogenic vesicles
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Protein biosynthesis is the process in which cells build proteins. The term is sometimes used to refer only to protein translation but more often it refers to a multi-step process, beginning with transcription and ending with translation.
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Protein Microarrays
Another strategy for the large-scale study of proteins is similar to the DNA microarrays, which measure gene expression in different cells types.
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Protein chains are represented by different colors. By clicking on each chain and reading its report in the message box, you will find that the turquoise chain is chain A; the purple chain is chain B; the green chain is chain C; ...
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GPCRs (G-protein-coupled receptors) play key roles in many cellular processes, and malfunction may lead to a range of pathologies, including psychiatric and neurological disorders.
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Small Nuclear Ribonucleoprotein Particle (snRNP)
Complexes formed by snRNA and proteins. Involved in RNA processing such as splicing and polyadenylation.
Related ...
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A large complex molecule made up of one or more chains of amino acids. Proteins perform a wide variety of activities in the cell.
explained:
Listen to a detailed explanation.
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Proteins Produce Genetic Traits - Archibald Garrod, 1909
Garrod noticed that people with certain genetic abnormalities (inborn errors of metabolism) lacked certain enzymes. This observation linked proteins (enzymes) to genetic traits.
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Protein associated with DNA in chromosomes in the nucleus of the cell.
Related Terms: Protein ...
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Protein Synthesis
DNA, RNA and Protein Synthesis
Transcribe a DNA sequence and translate it into a protein! ...
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Proteins can also serve as molecular markers through their enzymatic activities.
The mouse MHC region contains the H2 major histocompatibility loci.
The human major histocompatibility antigens are the HLA proteins.
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Protein Database
Summer Research Stipend
Fun Stuff - Smoky Hill Golden Retriever Club ...
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Protein engineering
Genetic modification
Weapons of mass destruction
Technological singularity ...
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Protein functional redundancy
DNA functional redundancy
Transposons
Redundant pseudogenes
Endogenous retroviruses ...
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protein -- class of biochemical compounds constructed from amino acids. Proteins may be structural, such as those that make up hair and cartilage, or they may be reactive, such as the enzymes.
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Protein polymorphism. Presence of several variants of a protein of a given type (e.g., a certain enzyme, such as carboxylase) in a population ...
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Proteins: The active molecules in all cells. Proteins control biochemical reactions and determine the physical structure of organisms.
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protein kinases - Enzyme that transfers the terminal phosphate group of ATP to a specific amino acid of a target protein ...
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proteinoids: the primitive polymers formed by the unison of amino acids; able to act as enzymes and catalyze organic reactions.
proteins: long chains of amino acid units that are the main molecules from which living things are constructed.
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protein phosphatase
An enzyme that removes phosphate groups from proteins, often functioning to reverse the effect of a protein kinase.
proteoglycans ...
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Protein kinase. An enzyme that adds phosphate groups to a protein molecule at serine, threonine, or tyrosine residues.
Proteolytic. The ability to break down protein molecules.
Provirus. See virus.
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protein synthesis The assemblage of protein as determined by the nucleotide sequence of a messenger RNA and the assistance of transfer RNA aligning amino acids in the proper arrangement.
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protein
A three-dimensional biological polymer constructed from a set of 20 different monomers called amino acids.
Covered in Lab 4 Cellular Energetics: Fermentation and Respiration ...
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Protein: A large molecule composed of one or more chains of amino acids in a specific order; the order is determined by the base sequence of nucleotides in the gene coding for the protein.
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A protein of 42 kD, very abundant in eukaryotic cells (8-14% total cell protein) and one of the major components of the actomyosin motor and the cortical microfilament meshwork.
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RecA protein
The protein encoded by the recA gene which is essential for homologous recombination. The RecA protein is also involved in the induction of the SOS response and the induction of lambda prophage in response to DNA damaging agents.
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GLYCOPROTEIN - A glycosylated protein.
GLYCOSYLATION - The covalent addition of sugar moities to N or O atoms present in the side chains of certain amino acids of certain proteins, ...
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actin - protein which when polymerized forms microfilaments, part of the cytoskeleton and necessary for cytokinesis and other cellular functions.
agglutination - the state of joining or clumping together by adhesion.
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Enzymes proteins that act as catalysts (cause other chemicals to react without being part of that chemical reaction)
(en = in; zym = yeast leaven) ...
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: DNA with protein bound is resistant to digestion by
DNAase
. When a sequencing reaction is performed using such DNA, a protected area representing the footprint of the bound protein will be detected.
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Zinc finger: A protein structural motif common in DNA binding proteins. Four Cys residues are found for each "finger" and one finger can bind a molecule of zinc. A typical configuration is: CysXxxXxxCys--(intervening 12 or so aa's)--CysXxxXxxCys.
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A type of basic protein that forms the unit around which DNA is coiled in the nucleosomes of eukaryotic chromosomes. Arginine and lysine rich basic proteins making up a substantial portion of eukaryotic nucleoprotein.
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Any of 20 basic building blocks of proteins-- composed of a free amino (NH2) end, a free carboxyl (COOH) end, and a side group (R). Ampicillin (beta-lactamase).
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Alpha-fetoprotein (AFP) -- a protein excreted by the fetus into the amniotic fluid and from there into the mother's bloodstream through the placenta.
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Phage display Phage display vectors express the inserted DNA as a protein at a prominent position on their capsid. This allows capture and isolation of recombinant phage clones by immobilised interacting proteins (eg. antibodies).
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Biochemical Society Symposia vol 70: Proteases and the Regulation of Biological Processes Biochemical Society Symposia vol 69: Glycogenomics: The Impact of Genomics and Informatics in Glycobiology Biochemical Society Symposia vol 68: From Protein ...
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The variety of proteins in the cytoplasmic membrane in prokaryotes is greater because of the significantly greater number of functions performed by it.
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Gene: the segment of DNA at a particular locus on a particular chromosome that controls production of proteins and enzymes and influences the development of a specific trait.
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The detection of identified proteins by electron microscopy, which makes use of specific antibodies that are tagged with a marker, usually colloidal gold, for visualization in the electron microscope.
LASER-SCANNING MICROSCOPY ...
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The component of connective tissue surrounding cells and made up of the amorphous ground substance and fibrous proteins (mainly collagen fibres). The amorphous ground substance consists primarily of glycoproteins and proteoglycans.
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Radioactive sulfur (35S): radioactive isotope of 32S, an element found in proteins
T Phages: A phage which infects Escherichia coli. Viral parasites of this type are labeled T1 through T7. T2 was the first phage observed under the electron microscope.
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Genes encode the information necessary for synthesizing proteins, which, in turn play a large role in influencing, although, in many instances, do not completely determine, the final phenotype of the organism.
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Ribosomal DNA genes
The genes that make the three RNA components of the ribosome - the particle (also containing 60 or more proteins) that is responsible for making proteins within the cell.
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Definition: Mass of genetic material composed of DNA and proteins that condense to form chromosomes in eukaryotic cell division. Chromatin is located in the cell's nucleus.
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Gene: A biochemical unit of hereditary, often coding for an entire protein.
Generalist: A pest or natural enemy that can utilize a wide range of species as host or prey.
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193. Falciparum exported serine-threonine protein kinas
Number of views: 77
194. Falciparum fever ...
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viroid. A portion of infectious nucleic acid, without the protein coat of a virus.
virulence. The relative infectiousness of a bacteria or virus, or its ability to overcome the resistance of the host metabolism.
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Mitochondrial ribosomes; these more closely resemble prokaryotic ribosomes than cytoplasmic ribosomes of the cells in which they are found, though they are even smaller and have fewer proteins than bacterial ribosomes.
Author: John Edwards ...
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