Methods of purifying authentic IGF from yeast hosts

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Separation or purification

Reexamination Certificate

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C530S399000, C530S416000, C530S417000, C435S071100, C435S255100

Reexamination Certificate

active

07071313

ABSTRACT:
Methods for purifying authentic, properly folded IGF polypeptides from yeast transformants are disclosed. The methods include a refolding step and provide for high yields of authentic IGF from a variety of yeast strains.

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