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magnesium protoporphyrin IX methyltransferase activity

Known as: S-adenosyl-L-methionine:magnesium-protoporphyrin O-methyltransferase activity, Mg-protoporphyrin IX methyltransferase activity, S-adenosylmethioninemagnesium protoporphyrin methyltransferase activity 
Catalysis of the reaction: S-adenosyl-L-methionine(1+) + magnesium protoporphyrin IX = S-adenosyl-L-homocysteine + H(+) + magnesium protoporphyrin IX… 
National Institutes of Health

Papers overview

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2005
2005
A single-dose of cobalt-protoporphyrin protects islet beta cells from glucocorticoid suppression.
2000
2000
Synthesis and photochemistry of AZO-type derivitized porphyrins with crosslinking applications
The objective of this work was to synthetically modify porphyrins such that they would possess a functionality that would… 
1995
1995
The comparative abilities of inorganic cobalt and cobalt-protoporphyrin to affect copper metabolism and elevate plasma ceruloplasmin.
A comparison of the effects of the trace element cobalt and the protoporphyrin chelate of this metal, cobalt-protoporphyrin, on… 
1993
1993
Protection by L-ascorbic acid against phototoxicity in tin-protoporphyrin-treated suckling rats.
The protective effect of free radical scavengers against phototoxicity was investigated with tin-protoporphyrin (SnPP)-treated… 
1991
1991
Sn-protoporphyrin plus photoirradiation induces lipid peroxidation in vivo and in vitro in nonjaundiced Gunn rats.
Lipid peroxidation induced by Sn-protoporphyrin (SnPP) plus photoirradiation was investigated in vivo and in vitro using… 
1987
1987
Cobalt-protoporphyrin causes prolonged inhibition of catechol estrogen synthesis by rat liver microsomes.
1982
1982
Chloroplast biogenesis. Detection of monovinyl magnesium-protoporphyrin monoester and other monovinyl magnesium-porphyrins in higher plants.
Highly Cited
1979
Highly Cited
1979
A SIMPLE, QUANTITATIVE TEST FOR ERYTHROCYTIC PROTOPORPHYRIN IN LEAD-POISONED DUCKS1
Forty wild-type, pen-raised mallard (Anas platyrhynchos) hens were divided into 4 groups of 10. Each bird received 8, 2, 1 or 0… 
Highly Cited
1979
Highly Cited
1979
Phospholipid methylation in macrophages is inhibited by chemotactic factors.
Chemotaxis by human monocytes has been shown to require methylation mediated by S-adenosyl-L-methionine(AdoMet), but the specific… 
1956
1956
The chemistry of experimental chloroma. II. Isolation of crystalline protoporphyrin, its origin and relation to other porphyrins.
Summary Ethyl acetate-acetic acid extracts of chloroma tissue were found to contain thirteen chromatographic entities on calcium… 
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