摘要 |
The present invention provides a fibronectin type III(Fn3) molecule, wherein the Fn3 contains a stabilizing mutation. The present invention also provides Fn3 polypeptide monobodies, nucleic acid molecules encoding monobodies, and variegated nucleic acid molecules encoding monobodies, and variegated nucleic acid libraries encoding such monobodies. Also provided are methods of preparing a Fn3 polypeptide monobody, and kits to perform the methods. |