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cystathionine

   Also found in: Wikipedia 0.02 sec.
cystathionine /cys·ta·thi·o·nine/ (-nēn) a thioester of homocysteine and serine; it serves as an intermediate in the transfer of a sulfur atom from methionine to cysteine.
cys·ta·thi·o·nine (sst-th-nn, -nn)
n.
An intermediate in the conversion of methionine to cysteine.

cystathionine
key intermediate in the trans-sulfuration pathway from methionine to cysteine.


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45 ketoacid dehydrogenase subunit Et alpha M88347_s_at cystathionine beta -1.
The patent now will cover only homocysteine assays that use any of the following three enzymes: cystathionine [eth]-synthetase, betaine-homocysteine-methyltransferase, and methyl-tetrahydrofolic acid methyltransferase (methionine synthase).
In the transsulferation pathway there is a unique heme-containing enzyme, cystathionine [beta]-synthase, that catalyses a pyridoxal 5'-phosphate-dependent condensation of serine and homocysteine to give cystathionine (Banerjee et al.
 
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