Expression of factor VII activity in mammalian cells

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Enzymatic production of a protein or polypeptide

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4351723, 4352402, 435320, 935 11, 935 32, 935 48, 935 60, 935 70, 536 27, 530384, C12N 1500, C12P 2102, C07H 1512, C07K 1300

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047849509

ABSTRACT:
Methods are disclosed for producing proteins having biological activity for blood coagulation mediated by Factor VIIa. The proteins are produced by mammalian host cells which have been stably transfected with a DNA construct containing a nucleotide sequence which codes at least partially for either Factor VII. The nucleotide sequence comprises a first nucleotide sequence encoding a calcium binding domain, joined to a second nucleotide sequence positioned downstream of the first sequence. In particular, the first nucleotide sequence may be derived from a genomic clone or cDNA clone of Factor VII. The second sequence encodes a catalytic domain for the serine protease activity of Factor VIIA. The joined sequences code for proteins having substantially the same biological activity for blood coagulation as Factor VIIa.

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