Fibronectin type III domain proteins with enhanced solubility

    公开(公告)号:US11512124B2

    公开(公告)日:2022-11-29

    申请号:US16999291

    申请日:2020-08-21

    Abstract: Provided herein are polypeptides comprising a modified fibronectin type III (Fn3) domain, wherein the amino acid corresponding to residue 58 of SEQ ID NO: 1 is mutated, and wherein the solubility is enhanced relative to the solubility of a Fn3 domain in which the amino acid corresponding to residue 58 of SEQ ID NO: 1 is not mutated. Also provided are libraries comprising a plurality of the polypeptides and a method for identifying a polypeptide that binds to a target.

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