Lanthionine

Lanthionine

Names
IUPAC name S-[(2R)-2-Amino-2-carboxyethyl]-L-cysteine
Identifiers
CAS Number	922-55-4 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:21347 Y
ChemSpider	88959 Y
ECHA InfoCard	100.011.888
PubChem CID	256406
UNII	JO78O46X3K Y
CompTox Dashboard (EPA)	DTXSID40871812
InChI InChI=1S/C6H12N2O4S/c7-3(5(9)10)1-13-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 Y Key: DWPCPZJAHOETAG-IMJSIDKUSA-N Y InChI=1/C6H12N2O4S/c7-3(5(9)10)1-13-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1 Key: DWPCPZJAHOETAG-IMJSIDKUBX
SMILES O=C(O)[C@@H](N)CSC[C@H](N)C(=O)O
Properties
Chemical formula	C6H12N2O4S
Molar mass	208.2318 g/mol
Melting point	280 to 283 °C (536 to 541 °F; 553 to 556 K)
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

Lanthionine is a nonproteinogenic amino acid with the chemical formula (HOOC-CH(NH₂)-CH₂-S-CH₂-CH(NH₂)-COOH). It is typically formed by a cysteine residue and a dehydrated serine residue. Despite its name, lanthionine does not contain the element lanthanum.