#simple_protein a protein that yields only amino acids when hydrolyzed
supertype: #protein any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of long chains of polypeptides
subtype: #actin one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form
subtype: #albumin__albumen a simple water-soluble protein found in many animal tissues and liquids
subtype: #ricin a toxic protein extracted from castor beans; used as a chemical reagent
subtype: #lactalbumin albumin occurring in milk
subtype: #serum_albumin__serumalbumin albumin occurring in blood serum; serves to maintain the somatic pressure of the blood
subtype: #globulin a family of proteins found in blood and milk and muscle and in plant seed
subtype: #serum_globulin__serumglobulin globulins occurring blood serum and containing most of the antibodies of the blood
subtype: #C-reactive_protein__CRP a byproduct of inflammation; a globulin that is found in the blood in some cases of acute inflammation
subtype: #human_gamma_globulin__humangammaglobulin__gamma_globulin__gammaglobulin a plasma protein containing the immunoglobulins that are responsible for immune responses
subtype: #immunoglobulin__Ig__immune_serum_globulin__immune_gamma_globulin__immune_globulin a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
subtype: #antibody any of a large variety of immunoglobulins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
subtype: #autoantibody an antibody acting against tissues of the organism that produces it
subtype: #rheumatoid_factor autoantibody that is usually present in the serum of people with rheumatoid arthritis
subtype: #precipitin an antibody that causes precipitation when it unites with its antigen
subtype: #ABO_antibodies blood type antibodies
subtype: #Rh_antibody rhesus factor antibody
subtype: #antitoxin an antibody that can neutralize a specific toxin
subtype: #antivenin__antivenene an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal
subtype: #tetanus_antitoxin__tetanusantitoxin antitoxin given for short-term immunization against tetanus in cases of possible exposure to the tetanus bacillus
subtype: #agglutinin an antibody that causes agglutination of a specific antigen
subtype: #isoagglutinin an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
subtype: #heterophil_antibody__heterophile_antibody__heterophileantibody__forssmanantibody an antibody found in the blood of someone suffering from infectious mononucleosis
subtype: #isoantibody__alloantibody an antibody that occurs naturally against foreign tissues from a person of the same species
subtype: #monoclonal_antibody any of a class of antibodies produced in the laboratory by identical offspring of a hybridoma; very specific for a particular location in the body
subtype: #opsonin an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes
subtype: #immunoglobulin_A__IgA one of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts
subtype: #immunoglobulin_D__IgD one of the five major classes of immunoglobulins; present in blood serum in small amounts
subtype: #immunoglobulin_E__IgE one of the five major classes of immunoglobulins; present primarily in the skin and mucous membranes
subtype: #reagin an immunoglobulin E that is formed as an antibody against allergens (such as pollen); attaches to cell membranes causing the release of histamine and other substances responsible for the local inflammation characteristic of an allergy
subtype: #immunoglobulin_G__IgG one of the five major classes of immunoglobulins; the main antibody defense against bacteria
subtype: #immunoglobulin_M__IgM one of the five major classes of immunoglobulins; involved in fighting blood infections and in triggering production of immunoglobulin G
subtype: #tetanus_immunoglobulin__tetanusimmunoglobulin__tetanusimmuneglobulin sterile solution of globulins derived from the blood plasma of a person who has been immunized for tetanus; provides short-term immunization against tetanus in cases of possible exposure to the tetanus bacillis
subtype: #myosin the commonest protein in muscle; a globulin that combines with actin to form actomyosin
subtype: #globin__hematohiston__haematohiston a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells
subtype: #glutelin a simple protein found in the seeds of cereals
subtype: #histone a simple protein containing mainly basic amino acids; present in cell nuclei in association with nucleic acids
subtype: #prolamine a simple protein found in plants
subtype: #protamine a simple protein found in fish sperm; rich in arginine; simpler in composition than globulin or albumin; counteracts the anticoagulant effect of heparin
subtype: #scleroprotein__albuminoid a simple protein found in horny and cartilaginous tissues and in the lens of the eye
subtype: #collagen a fibrous scleroprotein in bone and cartilage and tendon and other connective tissue; yields gelatin on boiling
subtype: #elastin a fibrous scleroprotein found in elastic tissues such as the walls of arteries
subtype: #gelatine__gelatin a colorless water-soluble glutinous protein obtained from animal tissues such as bone and skin
subtype: #keratin__ceratin a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair feathers nails and hooves
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