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Active methionine

Active methionine --> S-adenosyl-l-methionine

S-(5'-deoxy-5'-adenosyl)-l-methionine;condensation product of adenosine and l-methionine involving replacement of the -OPO3H2 of adenylic acid by -S_ (CH3)CH2CH2CH(NH3_)CO 2 of methionine; a sulfonium compound bearing a methyl group that is transferred in transmethylation reactions.

See: methionine adenosyltransferase.

Synonym: active methionine.

Acronym: sam


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Molecular gene (genome) concept scientifically untenable

... chemistry.” [3]. It has been known since about 1913 that the individual active units of heredity - the genes - are strung together in one-dimensional ... acid. Further, two amino acids have only one mRNA codon each; AUG for methionine and UGG for tryptophan. Hence 59 degenerate triplets code 18 ...

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by PAWahid
Wed May 02, 2012 4:54 am
 
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
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Views: 28014

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Sat Feb 17, 2007 1:24 pm
 
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... domain (plant-specific Rop nucleotide exchanger), which is exclusively active towards members of the Rop subfamily. AT5G19510.1 elongation factor ... protein" "this stereospecific enzymes reducesthe S isomer of methionine sulfoxidewhile MsrB reduces the R form;provides protection against ...

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