Jump to content

S-Adenosyl-L-homocysteine: Difference between revisions

From Wikipedia, the free encyclopedia
Content deleted Content added
No edit summary
Citation bot (talk | contribs)
Add: pages, issue. Removed parameters. Formatted dashes. | You can use this bot yourself. Report bugs here. | Suggested by Lightlowemon | Category:Amino acid derivatives‎ | via #UCB_Category 45/96
Line 50: Line 50:
}}
}}


'''''S''-Adenosyl-{{sm|l}}-homocysteine''' ('''SAH''') is the [[biosynthetic]] precursor to [[homocysteine]].<ref>{{cite journal|author=Finkelstein, J. D.|year=2000|title=Pathways and regulation of homocysteine metabolism in mammals|journal=Semin. Thromb. Hemost.|volume=26|page=219–225|doi=10.1055/s-2000-8466|pmid=11011839}}</ref> SAH is formed by the [[demethylation]] of [[S-Adenosyl methionine|''S''-adenosyl-{{sm|l}}-methionine]].<ref>{{cite journal|author1=Ribbe, M. W. |author2=Hu, Y. |author3=Hodgson, K. O. |author4=Hedman, B. |title=Biosynthesis of Nitrogenase Metalloclusters|journal=Chem. Rev.|year=2014|volume=114|issue=8 |pages=4063–4080|doi=10.1021/cr400463x|pmid=24328215 |pmc=3999185}}</ref><ref>{{cite journal|doi=10.1093/jn/132.8.2361S|pmid=12163693|title=Elevation in S-Adenosylhomocysteine and DNA Hypomethylation: Potential Epigenetic Mechanism for Homocysteine-Related Pathology|journal=The Journal of Nutrition|volume=132|issue=8|pages=2361S–2366S|year=2002|last1=James|first1=S. Jill|last2=Melnyk|first2=Stepan|last3=Pogribna|first3=Marta|last4=Pogribny|first4=Igor P|last5=Caudill|first5=Marie A|doi-access=free}}</ref> [[Adenosylhomocysteinase]] converts SAH into homocysteine and [[adenosine]].
'''''S''-Adenosyl-{{sm|l}}-homocysteine''' ('''SAH''') is the [[biosynthetic]] precursor to [[homocysteine]].<ref>{{cite journal|author=Finkelstein, J. D.|year=2000|title=Pathways and regulation of homocysteine metabolism in mammals|journal=Semin. Thromb. Hemost.|volume=26|issue=3|pages=219–25|doi=10.1055/s-2000-8466|pmid=11011839}}</ref> SAH is formed by the [[demethylation]] of [[S-Adenosyl methionine|''S''-adenosyl-{{sm|l}}-methionine]].<ref>{{cite journal|author1=Ribbe, M. W. |author2=Hu, Y. |author3=Hodgson, K. O. |author4=Hedman, B. |title=Biosynthesis of Nitrogenase Metalloclusters|journal=Chem. Rev.|year=2014|volume=114|issue=8 |pages=4063–4080|doi=10.1021/cr400463x|pmid=24328215 |pmc=3999185}}</ref><ref>{{cite journal|doi=10.1093/jn/132.8.2361S|pmid=12163693|title=Elevation in S-Adenosylhomocysteine and DNA Hypomethylation: Potential Epigenetic Mechanism for Homocysteine-Related Pathology|journal=The Journal of Nutrition|volume=132|issue=8|pages=2361S–2366S|year=2002|last1=James|first1=S. Jill|last2=Melnyk|first2=Stepan|last3=Pogribna|first3=Marta|last4=Pogribny|first4=Igor P|last5=Caudill|first5=Marie A|doi-access=free}}</ref> [[Adenosylhomocysteinase]] converts SAH into homocysteine and [[adenosine]].


==References==
==References==

Revision as of 11:29, 2 February 2021

S-Adenosyl-l-homocysteine
Names
IUPAC name
S-(5′-Deoxyadenos-5′-yl)-l-homocysteine
Other names
AdoHcy, 2-S-adenosyl-l-homocysteine,
5′-S-(3-Amino-3-carboxypropyl)-5′-thioadenosine S-adenosylhomocysteine, SAH
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.012.328 Edit this at Wikidata
KEGG
MeSH S-Adenosylhomocysteine
UNII
  • InChI=1S/C14H20N6O5S/c15-6(14(23)24)1-2-26-3-7-9(21)10(22)13(25-7)20-5-19-8-11(16)17-4-18-12(8)20/h4-7,9-10,13,21-22H,1-3,15H2,(H,23,24)(H2,16,17,18)/t6-,7+,9+,10+,13+/m0/s1 checkY
    Key: ZJUKTBDSGOFHSH-WFMPWKQPSA-N checkY
  • InChI=1/C14H20N6O5S/c15-6(14(23)24)1-2-26-3-7-9(21)10(22)13(25-7)20-5-19-8-11(16)17-4-18-12(8)20/h4-7,9-10,13,21-22H,1-3,15H2,(H,23,24)(H2,16,17,18)/t6-,7+,9+,10+,13+/m0/s1
    Key: ZJUKTBDSGOFHSH-WFMPWKQPBX
  • O=C(O)[C@@H](N)CCSC[C@H]3O[C@@H](n2cnc1c(ncnc12)N)[C@H](O)[C@@H]3O
Properties
C14H20N6O5S
Molar mass 384.412
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

S-Adenosyl-l-homocysteine (SAH) is the biosynthetic precursor to homocysteine.[1] SAH is formed by the demethylation of S-adenosyl-l-methionine.[2][3] Adenosylhomocysteinase converts SAH into homocysteine and adenosine.

References

  1. ^ Finkelstein, J. D. (2000). "Pathways and regulation of homocysteine metabolism in mammals". Semin. Thromb. Hemost. 26 (3): 219–25. doi:10.1055/s-2000-8466. PMID 11011839.
  2. ^ Ribbe, M. W.; Hu, Y.; Hodgson, K. O.; Hedman, B. (2014). "Biosynthesis of Nitrogenase Metalloclusters". Chem. Rev. 114 (8): 4063–4080. doi:10.1021/cr400463x. PMC 3999185. PMID 24328215.
  3. ^ James, S. Jill; Melnyk, Stepan; Pogribna, Marta; Pogribny, Igor P; Caudill, Marie A (2002). "Elevation in S-Adenosylhomocysteine and DNA Hypomethylation: Potential Epigenetic Mechanism for Homocysteine-Related Pathology". The Journal of Nutrition. 132 (8): 2361S–2366S. doi:10.1093/jn/132.8.2361S. PMID 12163693.