FIELD: biotechnology.
SUBSTANCE: invention relates to a polypeptide comprising a sequence EX2X3X4AX6X7EIX10X11LPNLX16X17X18QX20X21AFIX25X26LX28X29X30PX32QSX35X36LLX39EAKKLX45X46X47Q and having higher stability. Present invention also relates to groups of polypeptides-versions based on a common framework, where each polypeptide in a group contains an amino acid sequence EX2X3X4AX6X7EIX10X11LPNLX16X17X18QX20X21AFIX25X26LX28X29X30PX32QSX35X36LLX39EAKKLX45X46X47Q, and methods of selecting the desired polypeptide having affinity for a given target.
EFFECT: high stability polypeptide, groups of variant polypeptides and methods for selecting the desired polypeptide having affinity for a given target are provided.
17 cl, 9 dwg, 11 tbl, 13 ex
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Authors
Dates
2020-02-12—Published
2014-08-28—Filed