Purified thermostable Pyrococcus furiosus DNA polymerase that migrates on a non-denaturing polyacrylamide gel faster than phosphorylase B and Taq polymerase and more slowly than bovine serum albumin and has an estimated molecular weight of 90,000-93,000 daltons when compared with a Taq polymerase standard...http://www.google.de/patents/US5948663?utm_source=gb-gplus-sharePatent US5948663 - Purified thermostable pyrococcus furiosus DNA polymerase I