Matches in DBpedia 2015-10 for { ?s ?p "The transsulfuration pathway is a metabolic pathway involving the interconversion of cysteine and homocysteine, through the intermediate cystathionine.This is in contrast to the direct sulfurylation pathways for the synthesis of cysteine or homocysteine via the replacement of the acetyl/succinyl group with free sulfide (via the cysK or cysM -encoded cysteine synthase and the metZ or metY -encoded homocysteine synthase, respectively).Two transsulfurylation pathway are known, the forward pathway and the reverse.The forward pathway is present is several bacteria for example in Escherichia coli and Bacillus subtilis and involves the transfer of the thiol group from cysteine to homocysteine (methionine precursor with the S-methyl group), thanks to the γ-replacement of the acetyl or succinyl group of a homoserine ester with cysteine via its thiol group to form cystathionine (catalysed by cystathionine γ-synthase, which is encoded by metB in E. "@en }
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- Transsulfuration_pathway comment "The transsulfuration pathway is a metabolic pathway involving the interconversion of cysteine and homocysteine, through the intermediate cystathionine.This is in contrast to the direct sulfurylation pathways for the synthesis of cysteine or homocysteine via the replacement of the acetyl/succinyl group with free sulfide (via the cysK or cysM -encoded cysteine synthase and the metZ or metY -encoded homocysteine synthase, respectively).Two transsulfurylation pathway are known, the forward pathway and the reverse.The forward pathway is present is several bacteria for example in Escherichia coli and Bacillus subtilis and involves the transfer of the thiol group from cysteine to homocysteine (methionine precursor with the S-methyl group), thanks to the γ-replacement of the acetyl or succinyl group of a homoserine ester with cysteine via its thiol group to form cystathionine (catalysed by cystathionine γ-synthase, which is encoded by metB in E. ".