haem


haem
(= heme (USA) )
Compounds of iron complexed in a porphyrin (tetrapyrrole) ring that differ in side chain composition. Haems are the prosthetic groups of cytochromes and are found in most oxygen carrier proteins.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • haem... — haem..., Haem... vgl. ↑hämo..., Hämo …   Das große Fremdwörterbuch

  • haem — haem·or·rha·gia; haem·a·to·branch·i·ate; …   English syllables

  • haem — noun The component of haemoglobin responsible for binding oxygen, consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen. Haem is ubiquitous, abundant and… …   Wiktionary

  • haem — n. (also heme) a non protein compound containing iron, and responsible for the red colour of haemoglobin. Etymology: Gk haima blood or f. HAEMOGLOBIN * * * noun a complex red organic pigment containing iron and other atoms to which oxygen binds • …   Useful english dictionary

  • Haem — Strukturformel von Häm a. Strukturformel von Häm b …   Deutsch Wikipedia

  • haem — chiefly British variant of heme …   New Collegiate Dictionary

  • haem- — or haemo chiefly British variant of hem …   New Collegiate Dictionary

  • haem- — prefix relating to blood. Spelt hem in American so all listings below may also occur in that fashion …   Dictionary of ichthyology

  • haem — for words not found here see hemhaemocoele see hemocoel …   Dictionary of invertebrate zoology

  • haem- — Chiefly Brit. var. of hem : haemangioma. * * * …   Universalium


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