Chemical Component Summary

Namemethicillin
Identifiers(2S,5R,6R)-6-[(2,6-dimethoxyphenyl)carbonylamino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
FormulaC17 H20 N2 O6 S
Molecular Weight380.416
TypeNON-POLYMER
Isomeric SMILESCC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)c3c(cccc3OC)OC)C(=O)O)C
InChIInChI=1S/C17H20N2O6S/c1-17(2)12(16(22)23)19-14(21)11(15(19)26-17)18-13(20)10-8(24-3)6-5-7-9(10)25-4/h5-7,11-12,15H,1-4H3,(H,18,20)(H,22,23)/t11-,12+,15-/m1/s1
InChIKeyRJQXTJLFIWVMTO-TYNCELHUSA-N

Chemical Details

Formal Charge0
Atom Count46
Chiral Atom Count3
Bond Count48
Aromatic Bond Count6

Drug Info: DrugBank

DrugBank IDDB01603 
NameMeticillin
Groups
  • approved
  • investigational
DescriptionOne of the penicillins which is resistant to penicillinase but susceptible to a penicillin-binding protein. It is inactivated by gastric acid so administered by injection.
Synonyms
  • Methicillin sodium
  • Meticilina
  • Meticilline
  • (2,6-Dimethoxyphenyl)penicillin
  • 6β-(2,6-dimethoxybenzamido)penicillanic acid
IndicationUsed to treat infections caused by susceptible Gram-positive bacteria, particularly beta-lactamase-producing organisms such as <i>Staphylococcus aureus</i> that would otherwise be resistant to most penicillins.
Categories
  • Amides
  • Anti-Bacterial Agents
  • Anti-Infective Agents
  • Antibacterials for Systemic Use
  • Antiinfectives for Systemic Use
ATC-Code
  • J01CR50
  • J01CF03
CAS number61-32-5

Drug Targets

NameTarget SequencePharmacological ActionActions
MecA PBP2' (penicillin binding protein 2')MKKIKIVPLILIVVVVGFGIYFYASKDKEINNTIDAIEDKNFKQVYKDSS...unknowninhibitor
Penicillin-binding protein 2aMKLDKLFEKFLSLFKKETSELEDSDSTILRRSRSDRKKLAQVGPIRKFWR...unknowninhibitor
Penicillin-binding protein 1bMQNQLNELKRKMLEFFQQKQKNKKSARPGKKGSSTKKSKTLDKSAIFPAI...unknowninhibitor
Penicillin-binding protein 2BMRKFNSHSIPIRLNLLFSIVILLFMTIIGRLLYMQVLNKDFYEKKLASAS...unknowninhibitor
Penicillin-binding protein 3MKKIFLTLLTVSLLGGASTAVAQDFTIAAKHAIAVEANTGKILYEKDATQ...unknowninhibitor
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
PubChem 6087
ChEMBL CHEMBL575
ChEBI CHEBI:6827