Interleukin-1 muteins, their preparation and method of use to in

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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424 851, 424 852, 435 695, 435 6952, 930141, C07K 1300

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active

052868478

ABSTRACT:
Disclosed are novel muteins of IL-1 compounds which can be used to regulate excess IL-1 produced in various diseases in humans and animals. The IL-1 muteins can be prepared by site-directed mutagenesis whereby a positively charged residue is replaced with a negatively charged or neutral residue at a designated position in the molecule. The resulting IL-1 muteins have reduced biological activity but retain receptor binding affinity.

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