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protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein" |
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macromolecule,
supermolecule any very large complex molecule; found only in plants and animals
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meat the flesh of animals (including fishes and birds and snails) used as food
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egg,
eggs animal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
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milk produced by mammary glands of female mammals for feeding their young
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legume the seedpod of a leguminous plant (such as peas or beans or lentils)
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capsid the outer covering of protein surrounding the nucleic acid of a virus
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gluten a protein substance that remains when starch is removed from cereal grains; gives cohesiveness to dough
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aminoalkanoic acid,
amino acid organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids"
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recombinant protein a protein derived from recombinant DNA
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actomyosin a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions
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aleurone granular protein in outermost layer of endosperm of many seeds or cereal grains
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amyloid (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue
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apoenzyme a protein that combines with a coenzyme to form an active enzyme
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compound protein,
conjugated protein a protein complex combining amino acids with other substances
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enzyme any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
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fibrin a white insoluble fibrous protein formed by the action of thrombin on fibrinogen when blood clots; it forms a network that traps red cells and platelets
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filaggrin the main protein of the keratohyalin granules; "the specific target of the immune response in rheumatoid arthritis is filaggrin"
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growth factor a protein that is involved in cell differentiation and growth
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haptoglobin a protein in plasma that binds free hemoglobin and removes it (as from wounds)
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iodinated protein,
iodoprotein a protein that contains iodine
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nucleoprotein any of several substances found in the nuclei of all living cells; consists of a protein bound to a nucleic acid
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opsin retinal protein formed by the action of light on rhodopsin
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phosphoprotein containing chemically bound phosphoric acid
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plasma protein any of the proteins in blood plasma
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prostate specific antigen,
psa a protein manufactured exclusively by the prostate gland; PSA is produced for the ejaculate where it liquifies the semen and allows sperm cells to swim freely; elevated levels of PSA in blood serum are associated with benign prostatic hyperplasia and prostate cancer
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proteome the full complement of proteins produced by a particular genome
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simple protein a protein that yields only amino acids when hydrolyzed
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polypeptide a peptide containing 10 to more than 100 amino acids
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cytokine any of various protein molecules secreted by cells of the immune system that serve to regulate the immune system
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ferritin a protein containing 20% iron that is found in the intestines and liver and spleen; it is one of the chief forms in which iron is stored in the body
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antibody any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
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