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transmethylation

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
transmethylation /trans·meth·y·la·tion/ (trans″meth-ĭ-la´shun) the transfer of a methyl group (CH3—) from one compound to another.
trans·meth·yl·a·tion (trns-mth-lshn, trnz-)
n.
The transfer of a methyl group from one compound to another.

transmethylation
[-meth′ilā′shən]
the transfer of a methyl group from one compound to another.

transmethylation [trans″meth-ĭ-la´shun]
the transfer of a methyl group (CH3=) from the molecules of one compound to those of another.

transmethylation
the transfer of a methyl group (CH3) from the molecules of one compound to those of another.


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Known as SAM (or SAM-e), S-adenosylmethionine employs a number of metabolic pathways in its reaction, though generally aminopropylation, transmethylation and transsulfuration.
Thus, an acid-catalysed treatment of SPE converts both BFA and FFA into FAME, allowing the measurement of all individual fatty acids regardless of their initial form (free or bound); following alkali-catalysed transmethylation, only the bound fatty acids are converted into FAME.
These compounds originate from transmethylation of 1-alkenyl chains of plasmalogens, a type of ether-containing phosphoglycerides found in animal membrane cells.
 
 
 
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