Chemical Component Summary

NameMETHIONINE
Identifiers(2S)-2-amino-4-methylsulfanyl-butanoic acid
FormulaC5 H11 N O2 S
Molecular Weight149.21
TypeL-PEPTIDE LINKING
Isomeric SMILESCSCC[C@H](N)C(O)=O
InChIInChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1
InChIKeyFFEARJCKVFRZRR-BYPYZUCNSA-N

Chemical Details

Formal Charge0
Atom Count20
Chiral Atom Count1
Bond Count19
Aromatic Bond Count0

Drug Info: DrugBank

DrugBank IDDB00134 
NameMethionine
Groups
  • approved
  • nutraceutical
DescriptionA sulfur containing essential amino acid that is important in many body functions. It is a chelating agent for heavy metals.
Synonyms
  • L-(−)-methionine
  • (S)-2-amino-4-(methylthio)butyric acid
  • L-α-amino-γ-methylmercaptobutyric acid
  • (S)-methionine
  • (2S)-2-amino-4-(methylsulfanyl)butanoic acid
Brand Names
  • Olimel 4.4% E
  • Primene 10%-liq IV
  • Aminosyn-PF 10%
  • Men's Biomultiple Vitamin and Mineral Supplement
  • 4.25% Travasol Amino Acid Injection With Electrolytes In 25% Dextrose
IndicationUsed for protein synthesis including the formation of SAMe, L-homocysteine, L-cysteine, taurine, and sulfate.
Categories
  • Amino Acids
  • Amino Acids, Essential
  • Amino Acids, Neutral
  • Amino Acids, Peptides, and Proteins
  • Amino Acids, Sulfur
ATC-CodeV03AB26
CAS number63-68-3

Drug Targets

NameTarget SequencePharmacological ActionActions
Methionine synthase reductaseMGAASVRAGARLVEVALCSFTVTCLEVMRRFLLLYATQQGQAKAIAEEIC...unknownproduct of
Methionine synthaseMSPALQDLSQPEGLKKTLRDEINAILQKRIMVLDGGMGTMIQREKLNEEH...unknownproduct of
Methionine aminopeptidase 2MAGVEEVAASGSHLNGDLDPDDREEGAASTAEEAAKKKRRKKKKSKGPSA...unknownproduct of
Betaine--homocysteine S-methyltransferase 1MPPVGGKKAKKGILERLNAGEIVIGDGGFVFALEKRGYVKAGPWTPEAAV...unknownproduct of
S-methylmethionine--homocysteine S-methyltransferase BHMT2MAPAGRPGAKKGILERLESGEVVIGDGSFLITLEKRGYVKAGLWTPEAVI...unknownproduct of
View More
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682

Related Resource References

Resource NameReference
PubChem6137
PubChem6992087
ChEBICHEBI:16643
ChEBICHEBI:57844
ChEMBLCHEMBL42336