Affinity carriers using mutant VHH antibodies

摘要

An affinity carrier using a mutant VHH antibody.The solid phase carrier comprises an immunoglobulin binding protein coupled to the solid phase carrier, wherein the immunoglobulin binding protein has an amino acid sequence of sequence number An affinity carrier comprising a variant of VHH antibody or its fragment that recognizes an epitope in at least one region selected from the group consisting of 13-210 positions of the amino acid sequence of sequence number 23.