Yeast promoter and process for preparing heterologous protein
US4945046A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1987 |
| Grant date | Jul 31, 1990 |
| Priority date | — |
| Expiry date | Jun 3, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2730/10122
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method of producing a heterologous protein in yeast is disclosed, which comprises transforming a yeast Saccharomyces cerevisiae with recombinant DNA comprising a promoter selected from the group consisting of a yeast promoter or a hybrid promoter derived from a yeast promoter, particularly a hybrid promoter containing the enhancer region of SV40 virus, and a gene coding for a heterologous protein such as HBsAg and Pre S-HBsAg, particularly full length Pre S-HBsAg culturing, the resulting transformed cells to express the gene coding the heterologous protein, and isolating the heterologous protein from the cultured medium. GAP-DH and PH05 promoters and miniaturized ones can be used as the yeast promoter. The expression of the full length Pre S-HBsAg is carried out in the same expression system as that for 2nd or 3rd Pre S-ABsAg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.