Fuente: WIPO "biotechnology" PCT No. PCT/GB95/01317 Sec. 371 Date Feb. 20, 1997 Sec. 102(e) Date Feb. 20, 1997 PCT Filed Jun. 7, 1995 PCT Pub. No. WO95/33833 PCT Pub. Date Dec. 14, 1995Reduction (preferably elimination) of the HSP150 protein in a yeast used to produce desired foreign proteins, especially human albumin, facilitates purification of the protein.