Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A metal-free porphyrin, C34H34N4O4, 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry Any
porphyrin that lacks a centralmetal ion
Etymologies
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Examples
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Zinc protoporphyrin regulates cyclin D1 expression independent of heme oxygenase inhibition.
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Exposure to lead also can be evaluated by measuring erythrocyte protoporphyrin (EP) in blood samples.
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Most perching birds lay eggs speckled with reddish protoporphyrin spots toward the egg's blunt end.
Tech and Science 2005
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In conducting these experiments, we discovered that the non-nitric oxide containing substance, protoporphyrin
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X-ray absorption and photoemission spectroscopy of zinc protoporphyrin adsorbed on rutile TiO2 (110) prepared by in situ electrospray deposition
Next Big Future bw 2010
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Exposure to lead also can be evaluated by measuring erythrocyte protoporphyrin (EP) in blood samples.
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This genetic disorder leads to an accumulation of protoporphyrin IX in the skin and an increased risk of incapacitating phototoxic reactions manifesting as pain and severe ulceration of the skin.
THE MEDICAL NEWS 2010
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Magnesium-protoporphyrin IX 1.14.13.81 monomethyl ester (oxidative) cyclase 1 Nomenclature EC number 1.14.13.81 Systematic name magnesium-protoporphyrin-IX 13-monomethyl ester, NADPH: oxygen oxido - reductase (hydroxylating) Recommended name magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase Synonyms Mg-protoporphyrin IX monomethyl ester
Recently Uploaded Slideshows arab2000.forumpro.fr@slideshare.net(arab2000.forum 2009
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O S magnesium-protoporphyrin IX 13-monomethyl ester
Recently Uploaded Slideshows arab2000.forumpro.fr@slideshare.net(arab2000.forum 2009
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O S magnesium-protoporphyrin IX 13-monomethyl ester
Recently Uploaded Slideshows arab2000.forumpro.fr@slideshare.net(arab2000.forum 2009
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