porphyrins
Pigments derived from porphin: all are chelates with metals (Fe, Mg, Co, Zn, Cu, Ni). Constituents of haemoglobin, chlorophyll, cytochromes.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • porphyrins — porphyrins. См. порфирины. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • porphyrins — n. pl. [Gr. porphyra, purple] Four pyrrole rings associated with various metals forming chlorophyll, hemoglobin, etc …   Dictionary of invertebrate zoology

  • porphyrins — Pigments widely distributed throughout nature ( e.g., heme, bile pigments, cytochromes) consisting of four pyrroles joined in a ring (porphin) structure. They are substitution products of porphin (porphyrin) and comprise several varieties,… …   Medical dictionary

  • porphyrins — n. substance found in the protoplasm of plants and animals …   English contemporary dictionary

  • Journal of Porphyrins and Phthalocyanines —   Titre abrégé J. Porphyr. Phthalocyanines JPP Discipline …   Wikipédia en Français

  • порфирины — porphyrins порфирины. Пигменты растений и животных; в основе П. 4 пиррольных кольца (порфин), соединенные с атомами металлов железом (гемоглобин <hemoglobin>, некоторые ферменты) и магнием (хлорофилл <chlorophyll> и его аналоги);… …   Молекулярная биология и генетика. Толковый словарь.

  • Porphyrin — Structure of porphine, the simplest porphyrin Heme group of hemoglobin. An …   Wikipedia

  • coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction       in biology,… …   Universalium

  • Porphyria — Any of a group of inherited diseases characterized by skin sensitivity to sunlight and/or by intermittent acute attacks of abdominal and nerve pain. The porphyrias are caused by enzyme defects that trigger the overproduction of porphyrins by the… …   Medical dictionary

  • Porphyria — This article is about the medical condition. For other uses, see Porphyry (disambiguation). Porphyria Classification and external resources ICD 10 E80.0 E80.2 …   Wikipedia

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