Process for producing homogeneous colony stimulating factor

Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Lymphokines – e.g. – interferons – interlukins – etc.

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530417, 435 68, C07K 320, C12P 2100

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active

046580182

ABSTRACT:
Colony stimulating factor derived from malignant cells has been purified by use of various techniques including multiple high performance liquid chromotography steps. By this technique, colony stimulating factor has been resolved into distinct species, and one of the species denominated as CSF-2A, has been purified to homogeneity. The high purification of the CSF-2A has enabled the amino acid composition of this protein molecule to be partially sequenced with an automated sequencer.

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