albumin

albumin
The term normally refers to serum albumins, the major protein components of the serum of vertebrates. They have a single polypeptide chain, with multidomain structure containing multiple binding sites for many lipophilic metabolites, notably fatty acids and bile pigments. In the embryo their functions are fulfilled by alpha-fetoproteins. See bovine serum albumin. The viability of analbuminaemic mutants (those deficient in albumin) raises serious questions about the biological role of albumin.

Dictionary of molecular biology. 2004.

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  • Albumin — (Latin: albus, white) refers generally to any protein with water solubility, which is moderately soluble in concentrated salt solutions, and experiences heat coagulation (protein denaturation). Substances containing albumin, such as egg white,… …   Wikipedia

  • Albumin — Al*bu min, n. (Chem.) A thick, viscous nitrogenous substance, which is the chief and characteristic constituent of white of eggs and of the serum of blood, and is found in other animal substances, both fluid and solid, also in many plants. It is… …   The Collaborative International Dictionary of English

  • Albumīn — (Chem. u. Physiol.), Eiweiß, Eiweißstoff gehört zu den verbreitetsten Körpern im Thier u. Pflanzenreiche, es findet sich namentlich als wesentlicher Bestandtheil aller sogenannten Ernährungsflüssigkeiten: so im Blute, Chylus u. in der Lymphe, in… …   Pierer's Universal-Lexikon

  • Albumīn — Albumīn, s. Eiweiß …   Meyers Großes Konversations-Lexikon

  • Albumin — Albumin, s. Eiweißstoffe …   Lexikon der gesamten Technik

  • Albumin — Albumīn, Eiweißstoff, im Eiweiß (Albumen) der Vogeleier (Eier A.) und in fast allen Säften des tierischen und pflanzlichen Körpers vorkommender Proteïnkörper (s.d.), im reinen Zustande eine blaß bernsteinfarbene, leicht zu einem weißlichen Pulver …   Kleines Konversations-Lexikon

  • albumin — v. albumină. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • albumin — see ALBUMEN (Cf. albumen) …   Etymology dictionary

  • albumin — ► NOUN Biochemistry ▪ a water soluble form of protein found especially in blood serum and egg white and coagulable by heat. DERIVATIVES albuminous adjective …   English terms dictionary

  • albumin — [al byo͞o′min] n. [ ALBUM(EN) + IN1] any of a group of water soluble proteins found in milk, egg, muscle, blood, and in many vegetable tissues and fluids: albumins are coagulated by heat and are hydrolyzed to a number of amino acids: see GLOBULIN …   English World dictionary

  • Albumin — Albumine (lat.: albus, „weiß“) gehören wie die Globuline zur Gruppe der globulären Proteine. Albumin sorgt im menschlichen Organismus vor allem für Aufrechterhaltung des kolloidosmotischen Drucks und vermittelt vielen sonst wasserunlöslichen… …   Deutsch Wikipedia

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