methylthioadenosine

methylthioadenosine
Adenosine carrying an –SCH3 group in place of OH at position 5′; the –SCH3 group is transferred to α-aminobutyric acid to form l-methionine in some bacteria. M. is formed from S-adenosyl-l-methionine in the course of spermidine synthesis by loss of the alanine moiety. SYN: thiomethyladenosine.

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