Mitsubishi Chemical Corporation

Risa Nakata

Shoya Yoda

Satoru Misawa

One embodiment of the present invention is a protein having affinity for an immunoglobulin, which is a protein having two or more domains derived from any of the amino acid sequences of E, D, and A domains of protein A, and in the amino acid sequence of at least one of the domains, one or more lysines are included, and the C-terminal lysine is deleted or substituted, or a protein having affinity for an immunoglobulin, which is a protein having two or more domains derived from any of B, C, and Z domains of protein A, and in the amino acid sequence of at least one of the domains, one or more lysines are included, and lysine at position 4 and the C-terminal lysine are deleted or substituted.

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Kanagawa, Japan

Risa Nakata