{"product_id":"promega-p2271","title":"Promega, P2271, pGEM®-3Zf(+\/–) Vectors","description":"\u003cp\u003eStandard Cloning Vectors That Can Produce ssDNA and In vitro Transcribe Sense and Antisense RNA\u003cbr\u003e\nBlue\/white screening for easy identification of recombinant clones\u003cbr\u003e\nIn vitro transcription using the SP6 and T7 RNA polymerase promoters flanking the multiple cloning region\u003cbr\u003e\nThe difference between + and – vectors is orientation of the f1 origin\u003c\/p\u003e","brand":"Promega","offers":[{"title":"Default Title","offer_id":46835673661609,"sku":"P2271","price":0.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/iright.com\/products\/promega-p2271","provider":"Iright","version":"1.0","type":"link"}