C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
195/1.22, 195/12
C12N 15/62 (2006.01) C07K 14/47 (2006.01) C07K 14/585 (2006.01) C07K 14/805 (2006.01) C12N 9/10 (2006.01) C12P 21/06 (2006.01) A61K 38/00 (2006.01)
Patent
CA 1340381
This invention provides a DNA sequence coding for a cleavage site which is specifically cleaved by blood coagulation Factor Xa, a vector containing such a sequence, and a host organism transformed with such a vector. Preferably, in the vector, the Factor Xa cleavage site coding sequence is fused at one end to a product and at its other end to an ATG codon or a sequence coding for at least part of a host protein. This invention also provides a process, for the production of a desired protein or peptide product in native form, comprising: transforming a host organism with a vector as described above; expressing the desired protein or peptide product as a fusion protein comprising the desired protein or peptide product fused to a Factor Xa cleavage site; and cleaving the fusion protein with Factor Xa to yield the foreign gene product in native form.
481611
Nagai Kiyoshi
Thogerson Hans Christian
Celltech Limited
Celltech Therapeutics Limited
Kirby Eades Gale Baker
LandOfFree
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