streptolydigin streptolydigin streptolydigin (stl) is an antibiotic that works by inhibiting nucleic acid chain elongation by binding to rna polymerase, thus inhibiting rna synthesis inside a cell. streptolydigin inhibits bacterial rna polymerase, but not eukaryotic rna polymerase. it has antibacterial activity against a number of gram positive bacteria. streptolydiginclinical dataatc codenoneidentifiers iupac name 2-non-3-ene-2,2'-oxirane]-7 cas number7229-50-7 npubchem cid220508drugbankdb04785 ychemspider16736035 yunii6mon4029q8chebichebi:45773 nchemblchembl1236068 ncomptox dashboard (epa)dtxsid20905083 chemical and physical dataformulac32h44n2o9molar mass600.709 g·mol−13d model (jsmol)interactive image smiles cnc(=o)c(c)c2c(=o)/c(c(=o)n2c1ccc(o)c(c)o1)=c(\o)/c=c/c(/c)=c/c(c)c5oc4(c)oc(\c=c/c34co3)c5c inchi inchi=1s/c32h44n2o9/c1-16(14-17(2)28-18(3)23-12-13-32(15-40-32)31(6,42-23)43-28)8-9-22(36)25-27(37)26(19(4)29(38)33-7)34(30(25)39)24-11-10-21(35)20(5)41-24/h8-9,12-14,17-21,23-24,26,28,35-36h,10-11,15h2,1-7h3,(h,33,38)/b9-8+,16-14+,25-22+ ykey:kvtprmvxyzklig-ncfibnqnsa-n y ny (what is this?) (verify)