protoporphyrin


protoporphyrin
Porphyrin ring structure lacking metal ions. The most abundant is protoporphyrin IX, the immediate precursor of haem.

Dictionary of molecular biology. 2004.

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 — 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 — 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

  • 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

  • protoporphyrin IX — the most common type of porphyrin found in nature. It is a constituent of haemoglobin, myohaemoglobin, most of the cytochromes, and the commoner chlorophylls …   Medical dictionary


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.