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The chemical reactions and pathways involving the nonmetallic element sulfur or compounds that contain sulfur, such as the amino acids methionine and cysteine or the tripeptide glutathione. The chemical reactions and pathways involving aromatic compounds, any organic compound characterized by one or more planar rings, each of which contains conjugated double bonds and delocalized pi electrons, as carried out by individual cells. The chemical reactions and pathways involving compounds derived from amino acids, organic acids containing one or more amino substituents. The chemical reactions and pathways involving S-adenosylmethionine, S-(5'-adenosyl)-L-methionine, an important intermediate in one-carbon metabolism. The chemical reactions and pathways resulting in the formation of L-methionine from other compounds, including S-adenosylmethionine. A cyclic series of interconversions involving S-adenosylmethionine, S-adenosyl-L-homocysteine, L-cysteine, and L-methionine. Couples utilization of the methyl group of SAM with recycling of the homocysteinyl moiety and regeneration of methionine. The chemical reactions and pathways involving any ribonucleoside, a nucleoside in which purine base is linked to a ribose (beta-D-ribofuranose) molecule.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: S-adenosylmethionine cycle
Acc: GO:0033353
Aspect: Biological Process
Desc: A cyclic series of interconversions involving S-adenosylmethionine, S-adenosyl-L-homocysteine, L-cysteine, and L-methionine. Couples utilization of the methyl group of SAM with recycling of the homocysteinyl moiety and regeneration of methionine.
Synonyms:
  • SAM cycle
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 4 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0033353 - S-adenosylmethionine cycle (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle