In article <36DA9A29.85F153A at med.unc.edu>, bionotes at yahoo.com wrote: > I need to know who makes this vector to be able to create a map so I can > generate sence and antisence riboprobes. Any info would be helpful. > frank The (in)famous VectorDB lists several pT7T3 derivatives including pT7T318D which is/was from Pharmacia. The appropriate URL is; http://vectordb.atcg.com/vector_descrip/PT7T318D.html and this has a link to the sequence. There were no hits for your literal pT7T3D so I hope that this is the one you want. Good luck, Bernard -- Bernard P. Murray, PhD Dept. Cell. Mol. Pharmacol., UCSF, San Francisco, USA