| fk 33-824 | <chemical> Stable, synthetic analog of methionine enkephalin (enkephalin, methionine). Actions are similar to those of methionine enkephalin. Its effects can be reversed by narcotic antagonists such as naloxone. Chemical name: L-Phenylalaninamide, L-tyrosyl-D-alanylglycyl-N-(1-(hydroxymethyl)-3-(methylsulfinyl)propyl)-Nalpha-methyl-, (1S)- (12 Dec 1998) |
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| FK506 methyltransferase | <enzyme> Involved in synthesis of fk-506 Registry number: EC 2.1.1.- Synonym: 31-o-desmethyl-fk506 - o-methyltransferase, fk-506 methyltransferase (26 Jun 1999) |
| FK520 methyltransferase | <enzyme> Involved in biosynthesis of fk-520 (immunomycin) Registry number: EC 2.1.1.- Synonym: 31-o-desmethylimmunomycin - o-methyltransferase, fk-520 methyltransferase, immunomycin methyltransferase (26 Jun 1999) |