Jump to content

Main menu Navigation ●Main page ●Contents ●Current events ●Random article ●About Wikipedia ●Contact us ●Donate Contribute ●Help ●Learn to edit ●Community portal ●Recent changes ●Upload file

●Create account ●Log in ●Create account ● Log in Pages for logged out editors learn more ●Contributions ●Talk

(Top) 1 Background 2 Preparation 3 References

Lanthionine

●العربية ●تۆرکجه ●Deutsch ●فارسی ●Français ●Galego ●Nederlands ●日本語 ●Polski ●Slovenčina ●Српски / srpski ●Srpskohrvatski / српскохрватски ●Suomi Edit links ●Article ●Talk ●Read ●Edit ●View history Tools Actions ●Read ●Edit ●View history General ●What links here ●Related changes ●Upload file ●Special pages ●Permanent link ●Page information ●Cite this page ●Get shortened URL ●Download QR code ●Wikidata item Print/export ●Download as PDF ●Printable version Appearance From Wikipedia, the free encyclopedia

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.

Background[edit]

In 1941, lanthionine was first isolated by treating wool with sodium carbonate. It was found to be a sulfur-containing amino acid; accordingly it was given the name lanthionine [wool (Latin: Lana), sulfur (Greek: theîon)].^[1] Lanthionine was first synthesized by alkylation of cysteine with β-chloroalanine.^[2] Lanthionines are found widely in nature. They have been isolated from human hair, lactalbumin, and feathers. Lanthionines have also been found in bacterial cell walls and are the components of a group of gene-encoded peptide antibiotics called lantibiotics, which includes nisin (a food preservative), subtilin, epidermin (effective against Staphylococcus and Streptococcus), and ancovenin (an enzyme inhibitor).^[3]^[4]

Preparation[edit]

A variety of syntheses of lanthionine have been published including sulfur extrusion from cystine,^[5] ring opening of serine β-lactone,^[4] and hetero-conjugate addition of cysteine to dehydroalanine.^[6] The sulfur extrusion method is, however, the only pathway for lanthionine that has been employed in the total synthesis of a lantibiotic.

Biosynthesis of the lanthionine bridge in peptidic natural products can be accomplished through a number of different pathways. For example, the lanthionine bridges in the antibiotic nisin are the result of a dedicated dehydratase (NisB) and a dedicated cyclase (NisC).^[7]^[8]

References[edit]

^ Horn, M. J.; Jones, D. B.; Ringel, S. J. (1941) Isolation of a New Sulfur-Containing Amino Acid (Lanthionine) from Sodium Carbonate-Treated Wool. Journal of Biological Chemistry, 138, 141-149.

^ Brown, G. B.; du Vigneaud, V. (1941) The Stereoisomeric Forms of Lanthionine. Journal of Biological Chemistry, 140, 767-771.

^ Paul, M.; van der Donk, W. A. (2005) Chemical and Enzymatic Synthesis of Lanthionines. Mini-Reviews in Organic Chemistry, 2, 23-37.

^ ^a ^b Shao, H.; Wang, S. H. H.; Lee, C.-W.; Ösapay, G.; Goodman, M. (1995) A Facile Synthesis of Orthogonally Protected Stereoisomeric Lanthionines by Regioselective Ring Opening of Serine β-Lactone Derivatives. Journal of Organic Chemistry, 60, 2956-2957.

^ Harpp, D. N.; Gleason, J. G. (1971) Preparation and Mass Spectral Properties of Cystine and Lanthionine Derivatives. Novel Synthesis of L-Lanthionine by Selective Desulfurization. Journal of Organic Chemistry, 36, 73-80.

^ Probert, J. M.; Rennex, D.; Bradley, M. (1996) Lanthionines for Solid Phase Synthesis. Tetrahedron Letters, 37, 1101-1104.

^ Arnison PG, Bibb MJ, Bierbaum G, Bowers AA, Bugni TS, Bulaj G, Camarero JA, Campopiano DJ, Challis GL, Clardy J, Cotter PD, Craik DJ, Dawson M, Dittmann E, Donadio S, Dorrestein PC, Entian KD, Fischbach MA, Garavelli JS, Göransson U, Gruber CW, Haft DH, Hemscheidt TK, Hertweck C, Hill C, Horswill AR, Jaspars M, Kelly WL, Klinman JP, Kuipers OP, Link AJ, Liu W, Marahiel MA, Mitchell DA, Moll GN, Moore BS, Müller R, Nair SK, Nes IF, Norris GE, Olivera BM, Onaka H, Patchett ML, Piel J, Reaney MJ, Rebuffat S, Ross RP, Sahl HG, Schmidt EW, Selsted ME, Severinov K, Shen B, Sivonen K, Smith L, Stein T, Süssmuth RD, Tagg JR, Tang GL, Truman AW, Vederas JC, Walsh CT, Walton JD, Wenzel SC, Willey JM, van der Donk WA (2013). "Ribosomally synthesized and post-translationally modified peptide natural products: overview and recommendations for a universal nomenclature". Nat Prod Rep. 30 (1): 108–60. doi:10.1039/c2np20085f. PMC 3954855. PMID 23165928.

^ Knerr PJ, van der Donk WA (2012). "Discovery, biosynthesis, and engineering of lantipeptides". Annu. Rev. Biochem. 81: 479–505. doi:10.1146/annurev-biochem-060110-113521. PMID 22404629.