Strain AVB101 is an E. coli B strain (hsdR, lon11, sulA1) contains pBirAcm, an engineered pACYC184 plasmid with an IPTG inducible birA gene to over-express the biotin ligase. This glycerol stock of bacteria is shipped frozen. Quantity: 1 vial, containing 0.5 ml of bacterial glycerol stock. This product is shipped on dry ice and has to be stored at -80°C.