S-Adenosyl-L-homocysteine

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
CAS Number	979-92-0 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:16680 Y
ChEMBL	ChEMBL418052 Y
ChemSpider	388301 Y
ECHA InfoCard	100.012.328
IUPHAR/BPS	5265
KEGG	C00021 Y
MeSH	S-Adenosylhomocysteine
PubChem CID	439155
CompTox Dashboard (EPA)	DTXSID30895860
InChI 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 Y Key: ZJUKTBDSGOFHSH-WFMPWKQPSA-N Y 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
SMILES O=C(O)[C@@H](N)CCSC[C@H]3O[C@@H](n2cnc1c(ncnc12)N)[C@H](O)[C@@H]3O
Properties
Chemical formula	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). Y verify (what is YN ?) Infobox references

S-Adenosyl-L-homocysteine (SAH) is an amino acid derivative used in several metabolic pathways in most organisms. It is an intermediate in the synthesis of cysteine and adenosine.

SAH is formed by the demethylation of S-adenosyl-L-methionine (SAM), which can be inhibited by 3-Deazaneplanocin_A.

External links

• BioCYC E.Coli K-12 Compound: S-adenosyl-L-homocysteine