- protoporphyrin
- noun Etymology: International Scientific Vocabulary Date: 1925 a purple porphyrin acid C34H34N4O4 obtained from hemin or heme by removal of bound iron
New Collegiate Dictionary. 2001.
protoporphyrin
Look at other dictionaries:
Protoporphyrin — Protoporphyrins are tetrapyrroles containing the following side chains:* methyl (4) * propionic acid (2) * vinyl (2)Protoporphyrin IX is a biochemically widely used carrier molecule for divalent cations, e.g. together with iron (Fe 2+) the body… … Wikipedia
Protoporphyrin — Strukturformel des Porphyrin Gerüst mit Nummerierung. Strukturformel von Protoporphyrin IX. Porphyrine (nach griechisch πορφυρά, porphyrá, dem … Deutsch Wikipedia
Protoporphyrin IX — Strukturformel des Porphyrin Gerüst mit Nummerierung. Strukturformel von Protoporphyrin IX. Porphyrine (nach griechisch πορφυρά, porphyrá, dem … Deutsch Wikipedia
Protoporphyrin IX — chembox new ImageFile = Protoporphyrin IX.svg OtherNames = Formula = C34H34N4O4 PubChem = 4971 MolarMass= 562.658 g/mol CASNo = 553 12 8 Density= MeltingPt= BoilingPt=In the metabolism of porphyrin, protoporphyrin IX is created by the enzyme… … Wikipedia
protoporphyrin — Porphyrin ring structure lacking metal ions. The most abundant is protoporphyrin IX, the immediate precursor of haem … Dictionary of molecular biology
Protoporphyrin — Pro|to|por|phy|rin [↑ proto ] Syn.: Protoporphyrin IX: Trivialname für ein achtfach substituiertes ↑ Porphyrin (C34H34N4O4), von dem sich u. a. Hamätoporphyrin u. Häm sowie Chlorophyll ableiten … Universal-Lexikon
protoporphyrin — pro·to·por·phy·rin .prōt ō pȯr f(ə )rən n a purple porphyrin acid C34H34N4O4 obtained from hemin or heme by removal of bound iron * * * pro·to·por·phy·rin (pro″to porґfə rin) the porphyrin produced by oxidation of the methylene bridge … Medical dictionary
protoporphyrin type III — The principal protoporphyrin found in nature (one of 15 possible isomers), characterized by the presence of four methyl groups, two vinyl groups, and two propionic acid side chains; a porphyrin derivative that, with iron, forms the heme of… … Medical dictionary
protoporphyrin — pro·to·por·phy·rin (prō tō pôrʹfə rĭn) n. A metal free porphyrin, C32H32N4(COOH)2, that combines with ferrous iron to form the heme group in hemoglobin and myoglobin, and with ferric iron to form the hemin group in catalase and some cytochromes.… … Universalium
protoporphyrin — noun Any porphyrin that lacks a central metal ion … Wiktionary
